Kiichi Niitsu - RankMe

126 papers B 1C 3Journal 40Unranked 82

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	A Sub-Threshold All-NMOS Reconfigurable PUF with Secure Configuration Selection for Stable 6b/Cell. ISSCC Shufan Xu, Kunyang Liu, Lando Chan, Hironori Tagawa, Hirofumi Shinohara, Kiichi Niitsu
2026	J	`jnl`	Entropy Improvement in Latch-Based True Random Number Generator Using Negative Bias Temperature Instability. IEEE Trans. Circuits Syst. I Regul. Pap. Ruilin Zhang, Ye Cao, Haochen Zhang, Quan Cheng, Shinichi Nishizawa, Kiichi Niitsu, Hirofumi Shinohara
2025	—	`conf`	A 22 nm CMOS .000005 \text{mm}^{2} 0.25 \mathrm{V}$ 2.3pW ISFET Front-End Using Low-Gate-Leakage Thick-Gate-Oxide Transistors for Energy-Efficient Small-Formfactor pH Monitoring. NewCAS Hiroaki Kitaike, Ruilin Zhang, Hironori Tagawa, Kento Okamura, Kei Awano, You Wu, Teruaki Ono, Kohei Sakamoto, Jin Nakamura, Masaya Kaneko, Kunyang Liu, Shufan Xu, Hirofumi Shinohara, Kiichi Niitsu
2025	—	`conf`	A 22 nm CMOS 0.034 mm2 0.4 V 1.3 nW Frequency-Recording IC with 400-Bit Data-Storing Shift Registers Using Burst-Pulse Counting and Reference Pulse Generation for Stand-Alone Continuous Glucose Monitoring Contact Lenses. LASCAS Kei Awano, You Wu, Kento Okamura, Teruaki Ono, Kohei Sakamoto, Hiroaki Kitaike, Hironori Tagawa, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Kiichi Niitsu
2025	—	`conf`	A 22nm CMOS 0.017mm ICECS Kento Okamura, Takeshi Fujiyabu, Hisataka Maruyama, Kei Awano, You Wu, Hiroaki Kitaike, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Daisuke Anzai, Natsuko Inagaki, Taichi Ito, Kiichi Niitsu
2025	J	`jnl`	A 65-nm CMOS Downconverter-Less Clock Generator Architecture Using Voltage Stacking of Oscillator and Frequency Dividers for Scaling-Friendly IoTs. IEEE Trans. Very Large Scale Integr. Syst. You Wu, Kei Awano, Kento Okamura, Teruaki Ono, Kohei Sakamoto, Hiroaki Kitaike, Hironori Tagawa, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Kiichi Niitsu
2025	J	`jnl`	Design and Experimental Verification of 0.9-2.6pW 0.1-0.25V 22nm 2-Bit Supply-to-Digital Converter Using Always-Activated Supply-Controlled Oscillator and Supply-Dependent-Activation Buffers for Bio-Fuel-Cell-Powered-and-Sensed Time-Stamped Bio-Recording. IEEE Trans. Circuits Syst. II Express Briefs Hiroaki Kitaike, Hironori Tagawa, Shufan Xu, Ruilin Zhang, Kunyang Liu, Kiichi Niitsu
2025	—	`conf`	Design of 0.9-2.6pW 0.1-0.25V 22nm 2-bit Supply-to-Digital Converter Using Always-Activated Supply-Controlled Oscillator and Supply-Dependent-Activation Buffers for Bio-Fuel-Cell-Powered-and-Sensed Time-Stamped Bio-Recording. ASP-DAC Hiroaki Kitaike, Hironori Tagawa, Shufan Xu, Ruilin Zhang, Kunyang Liu, Kiichi Niitsu
2024	—	`conf`	A 0.00027 mm NorCAS Hiroaki Kitaike, Hironori Tagawa, Masaya Kaneko, Jin Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hiroki Wakatsuchi, Kyoya Takano, Hirofumi Shinohara, Kiichi Niitsu
2024	—	`conf`	A 0.9-2.6pW 0.1-0.25V 22nm 2-bit Supply-to-Digital Converter Using Always-Activated Supply-Controlled Oscillator and Supply-Dependent-Activation Buffers for Bio-Fuel-Cell-Powered-and-Sensed Time-Stamped Bio-Recording. VLSI Technology and Circuits Hiroaki Kitaike, Masaharu Inada, Mitsuru Terauchi, Hironori Tagawa, Ryosuke Nagai, Shufan Xu, Ruilin Zhang, Kunyang Liu, Kiichi Niitsu
2024	—	`conf`	A 2 Hz, 1.2-2 V, 0.22-9 nW, 0.007 mm NorCAS You Wu, Kei Awano, Kento Okamura, Teruaki Ono, Kohei Sakamoto, Hiroaki Kitaike, Hironori Tagawa, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Kiichi Niitsu
2024	—	`conf`	A 65-nm CMOS Millimeter-Wave Ear-Worn Non-Invasive Continuous Glucose Monitoring Chipset Using a 0.17mm LASCAS Kiichi Niitsu, Koki Fukushima, Yuichi Hiraoka, Hidenori Urawa, Yutaka Ozawa, Yuya Osaki, Masaya Kaneko, Jin Nakamura, Hideo Yoshikawa
2024	J	`jnl`	De-Correlation and De-Bias Post-Processing Circuits for True Random Number Generator. IEEE Trans. Circuits Syst. I Regul. Pap. Ruilin Zhang, Haochen Zhang, Xingyu Wang, Ziyang Ye, Kunyang Liu, Shinichi Nishizawa, Kiichi Niitsu, Hirofumi Shinohara
2023	—	`conf`	A 0.063-mm BioCAS Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu
2023	C	`conf`	A Battery-Less 0.37 V 126 nW 0.29 mm ISCAS Guowei Chen, Akiyoshi Tanaka, Kiichi Niitsu
2022	—	`conf`	22nm CMOS pW Standby Power Flip-Flops with/without Security using Dynamic Leakage Suppression Logic. LASCAS Duong Nghiep Huy, Guowei Chen, Kiichi Niitsu
2022	—	`conf`	A 0.00023 mm² 1.2V 0.48mW 18GHz Passive-Less Digital Wireless Transmitter with On-Chip Antenna in 22nm Bulk CMOS. MWSCAS Shinichi Ito, Akiyoshi Tanaka, Guowei Chen, Xujiaming Chen, Kiichi Niitsu
2022	—	`conf`	A 0.5 mm ASP-DAC Guowei Chen, Xinyang Yu, Yue Wang, Tran Minh Quan, Naofumi Matsuyama, Takuya Tsujimura, Kiichi Niitsu
2022	J	`jnl`	A 4.5-mW 22-nm CMOS Label-Free Frequency-Shift 3 × 3 × 2 3-D Biosensor Array Using Vertically Stacked 60-GHz LC Oscillators. IEEE Trans. Circuits Syst. II Express Briefs Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu
2022	—	`conf`	A 4.8-mW Label-free Frequency-shift 3×3×2 3D Biosensor Array with Vertically-stacked 60-GHz LC Oscillators in 22-nm CMOS. MWSCAS Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu
2022	—	`conf`	A 52.3% Peak Efficiency 22nm CMOS Low-Power Light-Adaptive Self-Oscillating Voltage Doubler Using Scalable Dynamic Leakage-Suppression Logic. LASCAS Xujiaming Chen, Guowei Chen, Xinyang Yu, Yue Wang, Kiichi Niitsu
2022	J	`jnl`	A Solar-Cell-Assisted, 99% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65nm CMOS for Continuous Glucose Monitoring Contact Lenses. IEICE Trans. Electron. Guowei Chen, Kiichi Niitsu
2022	—	`conf`	An Ultra-Low Power 22 nm Self-Oscillating Voltage Doubler With Dynamic Leakage-Suppression Logic. LASCAS Sora Kato, Guowei Chen, Kiichi Niitsu
2022	J	`jnl`	Design and Experimental Verification of a 2.1nW 0.018mm IEICE Trans. Electron. Guowei Chen, Xujiaming Chen, Kiichi Niitsu
2021	—	`conf`	A 0.2V 0.97nW 0.011mm ICECS Akiyoshi Tanaka, Guowei Chen, Sitong Ye, Kiichi Niitsu
2021	—	`conf`	A 0.5 mm ESSCIRC Guowei Chen, Xinyang Yu, Yue Wang, Tran Minh Quan, Naofumi Matsuyama, Takuya Tsujimura, Md. Zahidul Islam, Kiichi Niitsu
2021	—	`conf`	A 0.5 mm ESSDERC Guowei Chen, Xinyang Yu, Yue Wang, Tran Minh Quan, Naofumi Matsuyama, Takuya Tsujimura, Md. Zahidul Islam, Kiichi Niitsu
2021	—	`conf`	A 22nm CMOS 0.2V 13.3nW 16T SRAM Using Dynamic Leakage Suppression and Half-Selected Free Technique. APCCAS Yue Wang, Guowei Chen, Xinyang Yu, Xujiaming Chen, Kiichi Niitsu
2021	—	`conf`	A 4.8mW 22nm CMOS Fully-Integrated 60-GHz $3\times 3\times 2$ 3D Frequency-Shift Biosensor Array Using Vertically-Stacked LC Oscillators. ICECS Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu
2020	—	`conf`	A 72-nW 440-mV Time Register Using Stacked-NMOS-Switched Gated Delay Cell in Biomedical Applications. APCCAS Guowei Chen, Cong Dang Bui, Xinyang Yu, Md. Zahidul Islam, Atsuki Kobayashi, Kiichi Niitsu
2020	—	`conf`	Design of 33 GHz 65-nm-CMOS Small-Formfactor Direct-Conversion Receiver for Non-Invasive Continuous Glucose Monitoring. ICECS Takuya Tsujimura, Shunya Murakami, Guowei Chen, Kiichi Niitsu
2020	—	`conf`	Design of Fully-Integrated Self-Powered FM Transmitter Using On-Chip Photodiodes in 65-nm CMOS. ICECS Kosuke Uchiyama, Guowei Chen, Kiichi Niitsu
2020	J	`jnl`	Low-Voltage Gate-Leakage-Based Timer Using an Amplifier-Less Replica-Bias Switching Technique in 55-nm DDC CMOS. IEEE Open J. Circuits Syst. Atsuki Kobayashi, Kiichi Niitsu
2020	—	`conf`	Simulation Study of Full Passive Magnetic Human Body Communication in 65-nm CMOS Technology for Temperature Sensing Application. ICECS Sitong Ye, Atsuki Kobayashi, Guowei Chen, Kiichi Niitsu
2020	—	`conf`	Widely Tunable CMOS-Based Biosensor With an Active-Inductor-Based VCO for Detecting CTCs and Exosomes. ICECS Shunya Murakami, Takuya Tsujimura, Guowei Chen, Md. Zahidul Islam, Kiichi Niitsu
2019	—	`conf`	2D optical imaging using photosystem I photosensor platform with 32x32 CMOS biosensor array. ASP-DAC Kiichi Niitsu, Taichi Sakabe, Mariko Miyachi, Yoshinori Yamanoi, Hiroshi Nishihara, Tatsuya Tomo, Kazuo Nakazato
2019	—	`conf`	A 2.1-nW Burst-Pulse-Counting Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 180-nm CMOS. BioCAS Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Ge Xu, Md. Zahidul Islam, Kiichi Niitsu
2019	J	`jnl`	A 385×385μm IEICE Trans. Electron. Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu
2019	—	`conf`	A 40-GHz Fully-Integrated CMOS-Based Biosensor Circuit with an On-Chip Vector Network Analyzer for Circulating Tumor Cells Analysis. NORCAS Taiki Nakanishi, Shunya Murakami, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu
2019	C	`conf`	A 65-nm CMOS 1.4-nW Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems. ISCAS Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Ge Xu, Kiichi Niitsu
2019	J	`jnl`	A 65-nm CMOS Fully Integrated Analysis Platform Using an On-Chip Vector Network Analyzer and a Transmission-Line-Based Detection Window for Analyzing Circulating Tumor Cell and Exosome. IEEE Trans. Biomed. Circuits Syst. Kiichi Niitsu, Taiki Nakanishi, Shunya Murakami, Maya Matsunaga, Atsuki Kobayashi, Karim Nissar Mohammad, Jun Ito, Naoya Ozawa, Tetsunari Hase, Hiromasa Tanaka, Mitsuo Sato, Hiroki Kondo, Kenji Ishikawa, Hidefumi Odaka, Yoshinori Hasegawa, Masaru Hori, Kazuo Nakazato
2019	—	`conf`	A 65-nm CMOS fully-integrated circulating tumor cell and exosome analyzer using an on-chip vector network analyzer and a transmission-line-based detection window. ASP-DAC Taiki Nakanishi, Maya Matsunaga, Shunya Murakami, Atsuki Kobayashi, Kiichi Niitsu
2019	—	`conf`	A Solar-Cell-Assisted, 99.66% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65-nm CMOS for Continuous Glucose Monitoring Contact Lenses. ICECS Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Cong Dang Bui, Tran Minh Quan, Md. Zahidul Islam, Kiichi Niitsu
2019	—	`conf`	A low-voltage CMOS electrophoresis IC using electroless gold plating for small-form-factor biomolecule manipulation. ASP-DAC Kiichi Niitsu, Yuuki Yamaji, Atsuki Kobayashi, Kazuo Nakazato
2019	—	`conf`	A three-dimensional millimeter-wave frequency-shift based CMOS biosensor using vertically stacked spiral inductors in LC oscillators. ASP-DAC Maya Matsunaga, Taiki Nakanishi, Atsuki Kobayashi, Kiichi Niitsu
2019	—	`conf`	AI-Based Edge-Intelligent Hypoglycemia Prediction System Using Alternate Learning and Inference Method for Blood Glucose Level Data with Low-periodicity. AICAS Tran Minh Quan, Takuyoshi Doike, Cong Dang Bui, Kenya Hayashi, Shigeki Arata, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu
2019	J	`jnl`	An FSK Inductive-Coupling Transceiver Using 60mV 0.64fJ/bit 0.0016mm IEICE Trans. Electron. Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu
2019	J	`jnl`	Design and Calibration of a Small-Footprint, Low-Frequency, and Low-Power Gate Leakage Timer Using Differential Leakage Technique. IEICE Trans. Electron. Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu
2019	J	`jnl`	Design and theoretical analysis of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges. IEICE Electron. Express Kiichi Niitsu, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi
2019	—	`conf`	Design of 385 x 385 μm ASP-DAC Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Takuyoshi Doike, Maya Matsunaga, Atsuki Kobayashi, Kiichi Niitsu
2019	J	`jnl`	Design of a Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 65-nm CMOS and 55-nm DDC CMOS. IEEE Trans. Biomed. Circuits Syst. Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Ge Xu, Kiichi Niitsu
2019	—	`conf`	Design of gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS. ASP-DAC Atsuki Kobayashi, Yuya Nishio, Kenya Hayashi, Shigeki Arata, Kiichi Niitsu
2019	—	`conf`	LC-Voltage-Controlled-Oscillator-Based Biosensor in 180-nm CMOS Process Targeting β-Dispersion for Detecting Exosomes. APCCAS Shunya Murakami, Taiki Nakanishi, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu
2019	—	`conf`	Verification of Inductive-Coupling-Based CMOS Biosensor Focusing on Dielectric Loss of β-Dispersion for Detecting Exosomes Through Electromagnetic Simulation. ICECS Shunya Murakami, Taiki Nakanishi, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu
2018	—	`conf`	A 350-mV, under-200-ppm allan deviation floor gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS. CICC Atsuki Kobayashi, Yuya Nishio, Kenya Hayashi, Kazuo Nakazato, Kiichi Niitsu
2018	—	`conf`	A 385μm × 385μm 0.165 V 0.27 nW Fully-Integrated Supply-Modulated OOK CMOS TX in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens. BioCAS Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Takuyoshi Doike, Maya Matsunaga, Atsuki Kobayashi, Kiichi Niitsu
2018	J	`jnl`	A 6.1-nA Fully Integrated CMOS Supply Modulated OOK Transmitter in 55-nm DDC CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens. IEEE Trans. Circuits Syst. II Express Briefs Kenya Hayashi, Shigeki Arata, Shunya Murakami, Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu
2018	—	`conf`	A BER-Modulated Inductive-Coupling Transceiver Using Dynamic Intermediate Interference Control Technique for Low-Power Communication. APCCAS Ge Xu, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu
2018	—	`conf`	A Blood Glucose Level Prediction System Using Machine Learning Based on Recurrent Neural Network for Hypoglycemia Prevention. NEWCAS Takuyoshi Doike, Kenya Hayashi, Shigeki Arata, Karim Nissar Mohammad, Atsuki Kobayashi, Kiichi Niitsu
2018	—	`conf`	A Constant-Power Inductive-Coupling Transmitter Using Auxiliary Driving Technique in 65nm SOTB CMOS for Low-Power Supply-Sensing Biosensing Platform toward Healthcare IoTs. APCCAS Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu
2018	J	`jnl`	A Self-Powered Supply-Sensing Biosensor Platform Using Bio Fuel Cell and Low-Voltage, Low-Cost CMOS Supply-Controlled Ring Oscillator With Inductive-Coupling Transmitter for Healthcare IoT. IEEE Trans. Circuits Syst. I Regul. Pap. Kiichi Niitsu, Atsuki Kobayashi, Yuya Nishio, Kenya Hayashi, Kei Ikeda, Takashi Ando, Yudai Ogawa, Hiroyuki Kai, Matsuhiko Nishizawa, Kazuo Nakazato
2018	—	`conf`	Demonstration of 2D Optical Imaging Using Photosystem I Photosensor Platform with 3232 CMOS Biosensor Array. NEWCAS Kiichi Niitsu, Taichi Sakabe, Mariko Miyachi, Yoshinori Yamanoi, Hiroshi Nishihara, Tatsuya Tomo, Kazuo Nakazato
2018	—	`conf`	Live Demonstration: 385 × 385 μm2 0.165V 270pW Fully-Integrated Supply-Modulated OOK Tx in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens. BioCAS Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu
2017	—	`conf`	A 28μm ICECS Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu
2017	J	`jnl`	A Current-Integration-Based CMOS Amperometric Sensor with 1024 × 1024 Bacteria-Sized Microelectrode Array for High-Sensitivity Bacteria Counting. IEICE Trans. Electron. Kohei Gamo, Kazuo Nakazato, Kiichi Niitsu
2017	—	`conf`	A current-integration-based CMOS amperometric sensor with 1.2 μm × 2.05 μm electroless-plated microelectrode array for high-sensitivity bacteria counting. ASP-DAC Kohei Gamo, Kazuo Nakazato, Kiichi Niitsu
2017	—	`conf`	A fully-integrated circulating tumor cell analyzer using an on-chip vector network analyzer and a transmission-line-based detection window in 65-nm CMOS. BioCAS Taiki Nakanishi, Maya Matsunaga, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu
2017	—	`conf`	A scalable time-domain biosensor array using a capacitor-less CMATC and logarithmic cyclic time-attenuation-based TDC with discharge acceleration for high-spatial-resolution bio-imaging. ICECS Kei Ikeda, Atsuki Kobayashi, Kiichi Niitsu
2017	—	`conf`	A scalable time-domain biosensor array using logarithmic cyclic time-attenuation-based TDC for high-resolution and large-scale bio-imaging. ASP-DAC Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu
2017	—	`conf`	Application of magnetic arrangement of microbeads for CMOS biosensor array sensitivity. BioCAS Eizo Ushijima, Satoshi Fujimoto, Kiichi Niitsu, Kazuo Nakazato
2017	J	`jnl`	Design and Analysis of Scalability in Current-Mode Analog-to-Time Converter for an Energy-Efficient and High-Resolution CMOS Biosensor Array. IEICE Trans. Electron. Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu
2017	J	`jnl`	Design and Experimental Verification of a 0.19 V 53 μW 65 nm CMOS Integrated Supply-Sensing Sensor With a Supply-Insensitive Temperature Sensor and an Inductive-Coupling Transmitter for a Self-Powered Bio-sensing System Using a Biofuel Cell. IEEE Trans. Biomed. Circuits Syst. Atsuki Kobayashi, Kei Ikeda, Yudai Ogawa, Hiroyuki Kai, Matsuhiko Nishizawa, Kazuo Nakazato, Kiichi Niitsu
2017	—	`conf`	Design of an energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter. ASP-DAC Atsuki Kobayashi, Kei Ikeda, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato, Kiichi Niitsu
2017	J	`jnl`	Sub-1-V CMOS-Based Electrophoresis Using Electroless Gold Plating for Small-Form-Factor Biomolecule Manipulation. IEICE Trans. Electron. Yuuki Yamaji, Kazuo Nakazato, Kiichi Niitsu
2017	—	`conf`	Three-dimensional millimeter-wave frequency-shift-based CMOS biosensor using vertically stacked LC oscillators. NORCAS Maya Matsunaga, Taiki Nakanishi, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu
2016	—	`conf`	A current-mode analog-to-time converter with short-pulse output capability using local intra-cell activation for high-speed time-domain biosensor array. NORCAS Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu
2016	—	`conf`	An energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW 65nm-CMOS integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter. BioCAS Atsuki Kobayashi, Kei Ikeda, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato, Kiichi Niitsu
2016	—	`conf`	Design of an energy-autonomous, disposable, supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-µm zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter. ASP-DAC Kiichi Niitsu, Atsuki Kobayashi, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato
2016	—	`conf`	Live demonstration: Current-mode analog-to-time converter for a large scale CMOS biosensor array. BioCAS Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu
2016	—	`conf`	Live demonstration: Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05μm electroless-plated microelectrode array for robust bacteria counting. BioCAS Kohei Gamo, Kazuo Nakazato, Kiichi Niitsu
2016	J	`jnl`	Well-Shaped Microelectrode Array Structure for High-Density CMOS Amperometric Electrochemical Sensor Array. IEICE Trans. Electron. Kiichi Niitsu, Tsuyoshi Kuno, Masayuki Takihi, Kazuo Nakazato
2015	J	`jnl`	A CMOS PWM Transceiver Using Self-Referenced Edge Detection. IEEE Trans. Very Large Scale Integr. Syst. Kiichi Niitsu, Yusuke Osawa, Naohiro Harigai, Daiki Hirabayashi, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi
2015	—	`conf`	An energy-autonomous, disposable, big-data-based supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-μm Zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter. BioCAS Kiichi Niitsu, Atsuki Kobayashi, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato
2015	J	`jnl`	Development of Microelectrode Arrays Using Electroless Plating for CMOS-Based Direct Counting of Bacterial and HeLa Cells. IEEE Trans. Biomed. Circuits Syst. Kiichi Niitsu, Shoko Ota, Kohei Gamo, Hiroki Kondo, Masaru Hori, Kazuo Nakazato
2015	—	`conf`	Finite aperture time effects in sampling circuit. ASICON Miho Arai, Isao Shimizu, Haruo Kobayashi, Keita Kurihara, Shu Sasaki, Shohei Shibuya, Kiichi Niitsu, Kazuyoshi Kubo
2015	—	`conf`	Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05 μm electroless-plated microelectrode array for robust bacteria counting. BioCAS Kohei Gamo, Kiichi Niitsu, Kazuo Nakazato
2014	—	`conf`	A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting. BioCAS Shoko Ota, Kiichi Niitsu, Hiroki Kondo, Masaru Hori, Kazuo Nakazato
2014	J	`jnl`	A low-offset cascaded time amplifier with reconfigurable inter-stage connection. IEICE Electron. Express Kiichi Niitsu, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi
2014	—	`conf`	An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection. BioCAS Hayato Komori, Kiichi Niitsu, Junko Tanaka, Yu Ishige, Masao Kamahori, Kazuo Nakazato
2014	C	`conf`	Charge-conserved analog-to-time converter for a large-scale CMOS biosensor array. ISCAS Masayuki Takihi, Kiichi Niitsu, Kazuo Nakazato
2014	—	`conf`	Live demonstration: A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting. BioCAS Shoko Ota, Kiichi Niitsu, Hiroki Kondo, Masaru Hori, Kazuo Nakazato
2014	—	`conf`	Live demonstration: An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection. BioCAS Hayato Komori, Kiichi Niitsu, Junko Tanaka, Yu Ishige, Masao Kamahori, Kazuo Nakazato
2013	J	`jnl`	A Feed-Forward Time Amplifier Using a Phase Detector and Variable Delay Lines. IEICE Trans. Electron. Kiichi Niitsu, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi
2013	J	`jnl`	Design methodology for determining the number of stages in a cascaded time amplifier to minimize area consumption. IEICE Electron. Express Kiichi Niitsu, Naohiro Harigai, Haruo Kobayashi
2013	—	`conf`	Design of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges. ASP-DAC Kiichi Niitsu, Naohiro Harigai, Daiki Hirabayashi, Daiki Oki, Masato Sakurai, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi
2013	J	`jnl`	Multi-bit Sigma-Delta TDC Architecture with Improved Linearity. J. Electron. Test. Satoshi Uemori, Masamichi Ishii, Haruo Kobayashi, Daiki Hirabayashi, Yuta Arakawa, Yuta Doi, Osamu Kobayashi, Tatsuji Matsuura, Kiichi Niitsu, Yuji Yano, Tatsuhiro Gake, Takahiro J. Yamaguchi, Nobukazu Takai
2013	J	`jnl`	Two-Tone Signal Generation for ADC Testing. IEICE Trans. Electron. Keisuke Kato, Fumitaka Abe, Kazuyuki Wakabayashi, Chuan Gao, Takafumi Yamada, Haruo Kobayashi, Osamu Kobayashi, Kiichi Niitsu
2012	J	`jnl`	A 65fJ/b Inter-Chip Inductive-Coupling Data Transceivers Using Charge-Recycling Technique for Low-Power Inter-Chip Communication in 3-D System Integration. IEEE Trans. Very Large Scale Integr. Syst. Kiichi Niitsu, Shusuke Kawai, Noriyuki Miura, Hiroki Ishikuro, Tadahiro Kuroda
2012	—	`conf`	A New Procedure for Measuring High-Accuracy Probability Density Functions. Asian Test Symposium Takahiro J. Yamaguchi, Kunihiro Asada, Kiichi Niitsu, Mohamed Abbas, Satoshi Komatsu, Haruo Kobayashi, Jose A. Moreira
2012	—	`conf`	A clock jitter reduction circuit using gated phase blending between self-delayed clock edges. VLSIC Kiichi Niitsu, Naohiro Harigai, Daiki Hirabayashi, Daiki Oki, Masato Sakurai, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi
2012	—	`conf`	A reference-free on-chip timing jitter measurement circuit using self-referenced clock and a cascaded time difference amplifier in 65nm CMOS. ASP-DAC Kiichi Niitsu, Masato Sakurai, Naohiro Harigai, Daiki Hirabayashi, Takahiro J. Yamaguchi, Haruo Kobayashi
2012	J	`jnl`	CMOS Circuits to Measure Timing Jitter Using a Self-Referenced Clock and a Cascaded Time Difference Amplifier With Duty-Cycle Compensation. IEEE J. Solid State Circuits Kiichi Niitsu, Masato Sakurai, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi
2012	—	`conf`	DC-DC converter with continuous-time feed-forward Sigma-Delta modulator control. APCCAS Hong Gao, Lin Xing, Yasunori Kobori, Feng Zhao, Haruo Kobayashi, Shyunsuke Miwa, Atsushi Motozawa, Zachary Nosker, Kiichi Niitsu, Nobukazu Takai, Takahiro Odaguchi, Isao Nakanishi, Kenji Nemoto, Jun-Ichi Matsuda
2012	—	`conf`	Digitally-controlled Gm-C bandpass filter. APCCAS Guanglei Jin, Hao Chen, Chuan Gao, Yunpeng Zhang, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Khayrollah Hadidi
2012	J	`jnl`	Low-Distortion Sinewave Generation Method Using Arbitrary Waveform Generator. J. Electron. Test. Kazuyuki Wakabayashi, Keisuke Kato, Takafumi Yamada, Osamu Kobayashi, Haruo Kobayashi, Fumitaka Abe, Kiichi Niitsu
2012	—	`conf`	Multi-bit sigma-delta TDC architecture with self-calibration. APCCAS Satoshi Uemori, Masamichi Ishii, Haruo Kobayashi, Yuta Doi, Osamu Kobayashi, Tatsuji Matsuura, Kiichi Niitsu, Yuta Arakawa, Daiki Hirabayashi, Yuji Yano, Tatsuhiro Gake, Nobukazu Takai, Takahiro J. Yamaguchi
2012	—	`conf`	Post-Silicon Jitter Measurements. Asian Test Symposium Kiichi Niitsu, Takahiro J. Yamaguchi, Masahiro Ishida, Haruo Kobayashi
2012	—	`conf`	Single inductor dual output DC-DC converter design with exclusive control. APCCAS Yasunori Kobori, Qiulin Zhu, Murong Li, Feng Zhao, Zachary Nosker, Shu Wu, Shaiful N. Mohyar, Masanori Onozawa, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Takahiro Odaguchi, Isao Nakanishi, Kenji Nemoto, Jun-Ichi Matsuda, Asahi Kasei
2012	—	`conf`	Two-Tone Signal Generation for Communication Application ADC Testing. Asian Test Symposium Keisuke Kato, Fumitaka Abe, Kazuyuki Wakabayashi, Chuan Gao, Takafumi Yamada, Haruo Kobayashi, Osamu Kobayashi, Kiichi Niitsu
2011	J	`jnl`	A 14-GHz AC-Coupled Clock Distribution Scheme With Phase Averaging Technique Using Single LC-VCO and Distributed Phase Interpolators. IEEE Trans. Very Large Scale Integr. Syst. Kiichi Niitsu, Vishwesh V. Kulkarni, Shinmo Kang, Hiroki Ishikuro, Tadahiro Kuroda
2011	—	`conf`	An on-chip timing jitter measurement circuit using a self-referenced clock and a cascaded time difference amplifier with duty-cycle compensation. A-SSCC Kiichi Niitsu, Masato Sakurai, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi
2011	J	`jnl`	Analysis and Techniques for Mitigating Interference From Power/Signal Lines and to SRAM Circuits in CMOS Inductive-Coupling Link for Low-Power 3-D System Integration. IEEE Trans. Very Large Scale Integr. Syst. Kiichi Niitsu, Yasufumi Sugimori, Yoshinori Kohama, Kenichi Osada, Naohiko Irie, Hiroki Ishikuro, Tadahiro Kuroda
2011	—	`conf`	Analysis of jitter accumulation in interleaved phase frequency detectors for high-accuracy on-chip jitter measurements. ISOCC Masato Sakurai, Kiichi Niitsu, Naohiro Harigai, Daiki Hirabayashi, Daiki Oki, Takahiro J. Yamaguchi, Haruo Kobayashi
2011	J	`jnl`	Design for Testability That Reduces Linearity Testing Time of SAR ADCs. IEICE Trans. Electron. Tomohiko Ogawa, Haruo Kobayashi, Satoshi Uemori, Yohei Tan, Satoshi Ito, Nobukazu Takai, Takahiro J. Yamaguchi, Kiichi Niitsu
2010	J	`jnl`	3-D System Integration of Processor and Multi-Stacked SRAMs Using Inductive-Coupling Link. IEEE J. Solid State Circuits Makoto Saen, Kenichi Osada, Yasuyuki Okuma, Kiichi Niitsu, Yasuhisa Shimazaki, Yasufumi Sugimori, Yoshinori Kohama, Kazutaka Kasuga, Itaru Nonomura, Naohiko Irie, Toshihiro Hattori, Atsushi Hasegawa, Tadahiro Kuroda
2010	—	`conf`	ADC linearity test signal generation algorithm. APCCAS Satoshi Uemori, Takahiro J. Yamaguchi, Satoshi Ito, Yohei Tan, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Nobuyoshi Ishikawa
2010	J	`jnl`	Modeling and Experimental Verification of Misalignment Tolerance in Inductive-Coupling Inter-Chip Link for Low-Power 3-D System Integration. IEEE Trans. Very Large Scale Integr. Syst. Kiichi Niitsu, Yoshinori Kohama, Yasufumi Sugimori, Kazutaka Kasuga, Kenichi Osada, Naohiko Irie, Hiroki Ishikuro, Tadahiro Kuroda
2010	—	`conf`	SAR ADC that is configurable to optimize yield. APCCAS Tomohiko Ogawa, Haruo Kobayashi, Yohei Tan, Satoshi Ito, Satoshi Uemori, Nobukazu Takai, Kiichi Niitsu, Takahiro J. Yamaguchi, Tatsuji Matsuura, Nobuyoshi Ishikawa
2010	—	`conf`	Stochastic TDC architecture with self-calibration. APCCAS Satoshi Ito, Shigeyuki Nishimura, Haruo Kobayashi, Satoshi Uemori, Yohei Tan, Nobukazu Takai, Takahiro J. Yamaguchi, Kiichi Niitsu
2009	J	`jnl`	A 750 Mb/s, 12 pJ/b, 6-to-10 GHz CMOS IR-UWB Transmitter With Embedded On-Chip Antenna. IEEE J. Solid State Circuits Vishal V. Kulkarni, Muhammad Muqsith, Kiichi Niitsu, Hiroki Ishikuro, Tadahiro Kuroda
2009	—	`conf`	An inductive-coupling link for 3D integration of a 90nm CMOS processor and a 65nm CMOS SRAM. ISSCC Kiichi Niitsu, Yasuhisa Shimazaki, Yasufumi Sugimori, Yoshinori Kohama, Kazutaka Kasuga, Itaru Nonomura, Makoto Saen, Shigenobu Komatsu, Kenichi Osada, Naohiko Irie, Toshihiro Hattori, Atsushi Hasegawa, Tadahiro Kuroda
2009	B	`conf`	MuCCRA-Cube: A 3D dynamically reconfigurable processor with inductive-coupling link. FPL Shotaro Saito, Yoshinori Kohama, Yasufumi Sugimori, Yohei Hasegawa, Hiroki Matsutani, Toru Sano, Kazutaka Kasuga, Yoichi Yoshida, Kiichi Niitsu, Noriyuki Miura, Tadahiro Kuroda, Hideharu Amano
2008	J	`jnl`	A 0.14 pJ/b Inductive-Coupling Transceiver With Digitally-Controlled Precise Pulse Shaping. IEEE J. Solid State Circuits Noriyuki Miura, Hiroki Ishikuro, Kiichi Niitsu, Takayasu Sakurai, Tadahiro Kuroda
2007	J	`jnl`	A 1 Tb/s 3 W Inductive-Coupling Transceiver for 3D-Stacked Inter-Chip Clock and Data Link. IEEE J. Solid State Circuits Noriyuki Miura, Daisuke Mizoguchi, Mari Inoue, Kiichi Niitsu, Yoshihiro Nakagawa, Masamoto Tago, Muneo Fukaishi, Takayasu Sakurai, Tadahiro Kuroda
2007	J	`jnl`	Daisy Chain Transmitter for Power Reduction in Inductive-Coupling CMOS Link. IEICE Trans. Electron. Kiichi Niitsu, Noriyuki Miura, Mari Inoue, Yoshihiro Nakagawa, Masamoto Tago, Masayuki Mizuno, Takayasu Sakurai, Tadahiro Kuroda
2006	—	`conf`	A 1Tb/s 3W inductive-coupling transceiver for inter-chip clock and data link. ISSCC Noriyuki Miura, Daisuke Mizoguchi, Mari Inoue, Kiichi Niitsu, Yoshihiro Nakagawa, Masamoto Tago, Muneo Fukaishi, Takayasu Sakurai, Tadahiro Kuroda