Ryo Takahashi

105 papers A* 1A 2B 2C 7Journal 41Unranked 52
YearRankTypeTitle / Venue / Authors
2025 J jnl
Comprehensive Analysis and Evaluation of Single/Multi-User Joint Transmit-Receive Diversity.
IEICE Trans. Commun.
Fumiyuki Adachi, Ryo Takahashi
2025 J jnl
Correction: Psychological evaluation of a virtual connected room from the perspective of we-mode.
Frontiers Virtual Real.
Yuki Harada, Yoshihiro Sato, Ayumi Kambara, Kazuo Oki, Ryo Takahashi, Nobuyuki Utsumi, Ryuhei Tsuji, Yoshimichi Sato
2025 J jnl
Discrete Prompt Tuning via Recursive Utilization of Black-box Multimodal Large Language Model for Personalized Visual Emotion Recognition.
CoRR
Ryo Takahashi, Naoki Saito, Keisuke Maeda, Takahiro Ogawa, Miki Haseyama
2025 J jnl
Generating Findings for Jaw Cysts in Dental Panoramic Radiographs Using GPT-4o: Building a Two-Stage Self-Correction Loop with Structured Output (SLSO) Framework.
CoRR
Nanaka Hosokawa, Ryo Takahashi, Tomoya Kitano, Yukihiro Iida, Chisako Muramatsu, Tatsuro Hayashi, Yuta Seino, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita
2024 — conf
A Stacked FPGA utilizing 3D-SRAM with Latency Optimization.
MCSoC
Ryo Takahashi, Kota Ando, Hiroki Nakahara
2024 J jnl
Adaptive Interference Suppressing Multi-User ZF in Cluster-Centric Cell-Free Massive MIMO Systems.
IEEE Commun. Lett.
Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi
2024 — conf
Implementation of in-room voice push notification client for sustainable use.
GCCE
Yoshifumi Chisaki, Ryo Takahashi
2024 — conf
Interference Suppression Multiuser MMSE Multiplexing Combined with Optimal Joint Transmit/Receive Diversity for a Cellular Distributed MU-MIMO System.
VTC Spring
Ryo Takahashi, Hidenori Matsuo, Qiang Chen, Fumiyuki Adachi
2024 — conf
Personalized Visual Emotion Classification via In-context Learning in Multimodal LLM.
GCCE
Ryo Takahashi, Naoki Saito, Keisuke Maeda, Takahiro Ogawa, Miki Haseyama
2023 — conf
Design for sustainable use of indoor announcement system for government delivered information.
GCCE
Ryo Takahashi, Orie Nishiyama, Yoshifumi Chisaki
2023 J jnl
New concept of the affinity between research fields using academic journal data in Scopus.
Scientometrics
Ryo Takahashi, Kenji Kaibe, Kazuyuki Suzuki, Sayaka Takahashi, Kotaro Takeda, Marc Hansen, Michiaki Yumoto
2023 J jnl
Optimization of Channel Segregation-Based Fractional Frequency Reuse for Inter-Cell Interference Coordination in Cellular Ultra-Dense RAN.
IEICE Trans. Commun.
Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi
2023 — conf
Performance Evaluation of Interference Aware MMSE and Interference Suppression MMSE Techniques for A Cellular Distributed MU-MIMO System.
APWCS
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi
2023 — conf
Perturbation Device for Crutch Walk Training.
ISIE
Naoaki Tsuda, Ryosei Ikoma, Ryo Takahashi, Kodai Hayashi, Susumu Tarao, Yasunori Fujiwara, Yoshihiko Nomura, Norihiko Kato
2023 — conf
Recognition of tooth numbers and conditions on dental panoramic radiographs for assisting dental chart filing.
Computer-Aided Diagnosis
Chisako Muramatsu, Koki Sakai, Yuta Seino, Ryo Takahashi, Tatsuro Hayashi, Wataru Nishiyama, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita
2023 J jnl
Uplink Postcoding in User-Cluster-Centric Cell-Free Massive MIMO.
IEICE Trans. Commun.
Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi
2023 J jnl
User Scheduling and Clustering for Distributed Antenna Network Using Quantum Computing.
IEICE Trans. Commun.
Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama, Fumiyuki Adachi
2023 — conf
User-initiated Suboptial Multiuser Joint Transmit-Receive Diversity in An Asymmetric MIMO Fading Channel.
VTC2023-Spring
Fumiyuki Adachi, Ryo Takahashi
2022 — conf
A Recursive Solution of Optimal Joint Transmit-receive Diversity Weight Vectors.
VTC Spring
Fumiyuki Adachi, Ryo Takahashi
2022 C conf
A Study on Cluster-Centric Cell-Free Massive MIMO System.
APCC
Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi
2022 — conf
Are Prompt-based Models Clueless?
ACL (1)
Pride Kavumba, Ryo Takahashi, Yusuke Oda
2022 J jnl
Are Prompt-based Models Clueless?
CoRR
Pride Kavumba, Ryo Takahashi, Yusuke Oda
2022 — conf
Can an Advanced AI Provide the Same Level of Enjoyment as Playing with Human Beings?
HCI (37)
Takashi Sugiyama, Ryo Takahashi, Masayoshi Kanoh
2022 — conf
Evaluation of Uplink Capacity of User-Cluster-Centric Cell-Free massive MIMO.
VTC Fall
Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi
2022 C conf
On Design Concept of Cellular Distributed MU-MIMO for Ultra-dense RAN.
APCC
Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Chang Ge, Qiang Chen
2022 — conf
Proposal for a Highly Reliable In-Vehicle Optical Network: SiPhON (Si-Photonics-Based In-Vehicle Optical Network).
OECC/PSC
Hiroyuki Tsuda, Ryogo Kubo, Tatsuo Furuya, Masayuki Iwase, Masahito Morimoto, Hisashi Kondo, Yasushi Amamiya, Yoshiaki Nakano, Takuo Tanemura, Masayuki Murata, Shin'ichi Arakawa, Naokatsu Yamamoto, Atsushi Matsumoto, Ryo Takahashi
2022 — conf
Scalable and Reconfigurable Distributed MU-MIMO System.
VTC Spring
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi
2022 C conf
User-driven Suboptimal Joint Transmit-receive Diversity in Asymmetric MIMO Fading Channel.
APCC
Fumiyuki Adachi, Ryo Takahashi
2021 — conf
A Theoretical Study on Suboptimal Joint Transmit-Receive Diversity In Correlated Rayleigh Fading Channels.
APWCS
Fumiyuki Adachi, Ryo Takahashi
2021 — conf
Impact of Fading Correlation on Multiuser Joint Transmit-receive Diversity.
VTC Fall
Fumiyuki Adachi, Ryo Takahashi
2021 J jnl
Joint Multi-Layered User Clustering and Scheduling for Ultra-Dense RAN Using Distributed MIMO.
IEICE Trans. Commun.
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi
2021 A conf
MV-FractalDB: Formula-driven Supervised Learning for Multi-view Image Recognition.
IROS
Ryosuke Yamada, Ryo Takahashi, Ryota Suzuki, Akio Nakamura, Yusuke Yoshiyasu, Ryusuke Sagawa, Hirokatsu Kataoka
2021 J jnl
NeurIPS 2020 EfficientQA Competition: Systems, Analyses and Lessons Learned.
CoRR
Sewon Min, Jordan L. Boyd-Graber, Chris Alberti, Danqi Chen, Eunsol Choi, Michael Collins, Kelvin Guu, Hannaneh Hajishirzi, Kenton Lee, Jennimaria Palomaki, Colin Raffel, Adam Roberts, Tom Kwiatkowski, Patrick Lewis, Yuxiang Wu, Heinrich Küttler, Linqing Liu, Pasquale Minervini, Pontus Stenetorp, Sebastian Riedel, Sohee Yang, Minjoon Seo, Gautier Izacard, Fabio Petroni, Lucas Hosseini, Nicola De Cao, Edouard Grave, Ikuya Yamada, Sonse Shimaoka, Masatoshi Suzuki, Shumpei Miyawaki, Shun Sato, Ryo Takahashi, Jun Suzuki, Martin Fajcik, Martin Docekal, Karel Ondrej, Pavel Smrz, Hao Cheng, Yelong Shen, Xiaodong Liu, Pengcheng He, Weizhu Chen, Jianfeng Gao, Barlas Oguz, Xilun Chen, Vladimir Karpukhin, Stan Peshterliev, Dmytro Okhonko, Michael Sejr Schlichtkrull, Sonal Gupta, Yashar Mehdad, Wen-tau Yih
2021 — conf
On Understanding of Massive MIMO Beam-forming From Multi-user Joint Transmit-receive Diversity Principle.
VTC Spring
Fumiyuki Adachi, Ryo Takahashi
2021 C conf
On Understanding of Optimal Joint Transmit-receive Diversity from Eigenmode Beamforming in Correlated Fading Channels.
APCC
Fumiyuki Adachi, Ryo Takahashi
2021 — conf
Oxygen Saturation Estimation Based on Optimal Band Selection From Multi-Band Video.
CVPR Workshops
Ryo Takahashi, Koichi Ashida, Yasuo Kobayashi, Rumi Tokunaga, Shuhei Kodama, Norimichi Tsumura
2021 — conf
Performance of Enhanced Interference Coordination Using Multi-layered Clustering for 5G Advanced Ultra-dense RAN.
VTC Spring
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi
2021 — conf
Tooth recognition and classification using multi-task learning and post-processing in dental panoramic radiographs.
Computer-Aided Diagnosis
Takumi Morishita, Chisako Muramatsu, Xiangrong Zhou, Ryo Takahashi, Tatsuro Hayashi, Wataru Nishiyama, Takeshi Hara, Yoshiko Ariji, Eiichiro Ariji, Akitoshi Katsumata, Hiroshi Fujita
2021 A conf
Two Training Strategies for Improving Relation Extraction over Universal Graph.
EACL
Qin Dai, Naoya Inoue, Ryo Takahashi, Kentaro Inui
2021 J jnl
Two Training Strategies for Improving Relation Extraction over Universal Graph.
CoRR
Qin Dai, Naoya Inoue, Ryo Takahashi, Kentaro Inui
2020 B conf
An Empirical Study of Contextual Data Augmentation for Japanese Zero Anaphora Resolution.
COLING
Ryuto Konno, Yuichiroh Matsubayashi, Shun Kiyono, Hiroki Ouchi, Ryo Takahashi, Kentaro Inui
2020 J jnl
An Empirical Study of Contextual Data Augmentation for Japanese Zero Anaphora Resolution.
CoRR
Ryuto Konno, Yuichiroh Matsubayashi, Shun Kiyono, Hiroki Ouchi, Ryo Takahashi, Kentaro Inui
2020 J jnl
Development of a camera-based remote diagnostic system focused on color reproduction using color charts.
Artif. Life Robotics
Masato Takahashi, Ryo Takahashi, Yasuhiro Morihara, Isseki Kin, Keiko Ogawa-Ochiai, Norimichi Tsumura
2020 — conf
Enhanced Interference Coordination and Radio Resource Management for 5G Advanced Ultra-dense RAN.
VTC Spring
Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo
2020 — conf
Joint Multilayered User Clustering and Scheduling for 5G Advanced Ultra-dense RAN.
VTC Fall
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi
2020 B conf
Modeling Event Salience in Narratives via Barthes' Cardinal Functions.
COLING
Takaki Otake, Sho Yokoi, Naoya Inoue, Ryo Takahashi, Tatsuki Kuribayashi, Kentaro Inui
2020 J jnl
Modeling Event Salience in Narratives via Barthes' Cardinal Functions.
CoRR
Takaki Otake, Sho Yokoi, Naoya Inoue, Ryo Takahashi, Tatsuki Kuribayashi, Kentaro Inui
2020 — conf
Multi-user MIMO using ZF-based Multiplexing Coordinated with User-wise Spatial Diversity.
VTC Fall
Fumiyuki Adachi, Ryo Takahashi
2020 — conf
NeurIPS 2020 EfficientQA Competition: Systems, Analyses and Lessons Learned.
NeurIPS (Competition and Demos)
Sewon Min, Jordan L. Boyd-Graber, Chris Alberti, Danqi Chen, Eunsol Choi, Michael Collins, Kelvin Guu, Hannaneh Hajishirzi, Kenton Lee, Jennimaria Palomaki, Colin Raffel, Adam Roberts, Tom Kwiatkowski, Patrick Lewis, Yuxiang Wu, Heinrich Küttler, Linqing Liu, Pasquale Minervini, Pontus Stenetorp, Sebastian Riedel, Sohee Yang, Minjoon Seo, Gautier Izacard, Fabio Petroni, Lucas Hosseini, Nicola De Cao, Edouard Grave, Ikuya Yamada, Sonse Shimaoka, Masatoshi Suzuki, Shumpei Miyawaki, Shun Sato, Ryo Takahashi, Jun Suzuki, Martin Fajcik, Martin Docekal, Karel Ondrej, Pavel Smrz, Hao Cheng, Yelong Shen, Xiaodong Liu, Pengcheng He, Weizhu Chen, Jianfeng Gao, Barlas Oguz, Xilun Chen, Vladimir Karpukhin, Stan Peshterliev, Dmytro Okhonko, Michael Sejr Schlichtkrull, Sonal Gupta, Yashar Mehdad, Wen-tau Yih
2020 J jnl
Non-contact method of blood pressure estimation using only facial video.
Artif. Life Robotics
Ryo Takahashi, Keiko Ogawa-Ochiai, Norimichi Tsumura
2020 C conf
Segmentation of Microscopic Image of Colorants Using U-Net Based Deep Convolutional Networks for Material Appearance Design.
ICISP
Mari Tsunomura, Masami Shishikura, Toru Ishii, Ryo Takahashi, Norimichi Tsumura
2020 — conf
Stress Estimation Using Multimodal Biosignal Information from RGB Facial Video.
CVPR Workshops
Takumi Nagasawa, Ryo Takahashi, Chawan Koopipat, Norimichi Tsumura
2020 C conf
Visualizing Blood Flow of Palm in Different Muscle Tense State Using High-Speed Video Camera.
ICISP
Ryo Takahashi, Keiko Ogawa-Ochiai, Norimichi Tsumura
2020 — conf
Word Rotator's Distance.
EMNLP (1)
Sho Yokoi, Ryo Takahashi, Reina Akama, Jun Suzuki, Kentaro Inui
2020 J jnl
Word Rotator's Distance: Decomposing Vectors Gives Better Representations.
CoRR
Sho Yokoi, Ryo Takahashi, Reina Akama, Jun Suzuki, Kentaro Inui
2019 — conf
Development of an Guideline-Based Decision Support System for Effective Diagnostic Workflow for Oncologic Pathologists.
MedInfo
Yoko Nakanishi, Ryo Takahashi, Takuya Haga, Noriyuki Inoue, Yoshiaki Kondo, Shinobu Masuda, Yuichiro Gomi
2019 — conf
Improvement of blood pressure estimation from face video using RGB camera.
CIC
Ryo Takahashi, Keiko Ogawa-Ochiai, Norimichi Tsumura
2019 — conf
Removing gloss using Deep Neural Network for 3D Reconstruction.
CIC
Futa Matsushita, Ryo Takahashi, Mari Tsunomura, Norimichi Tsumura
2018 J jnl
A system for three-dimensional gaze fixation analysis using eye tracking glasses.
J. Comput. Des. Eng.
Ryo Takahashi, Hiromasa Suzuki, Jouh Yeong Chew, Yutaka Ohtake, Yukie Nagai, Koichi Ohtomi
2018 J jnl
Development of an Intersection Module for a Modularized Rail Structure - Implementation of Compliant Mechanisms for a Replacing Task of Movable Parts -.
J. Robotics Mechatronics
Rui Fukui, Gen Kanayama, Yuta Kato, Ryo Takahashi, Shin'ichi Warisawa
2018 — conf
Interpretable and Compositional Relation Learning by Joint Training with an Autoencoder.
ACL (1)
Ryo Takahashi, Ran Tian, Kentaro Inui
2018 J jnl
Interpretable and Compositional Relation Learning by Joint Training with an Autoencoder.
CoRR
Ryo Takahashi, Ran Tian, Kentaro Inui
2018 J jnl
Upgrading Voltage Control Method Based on Photovoltaic Penetration Rate.
IEEE Trans. Smart Grid
Satoru Akagi, Ryo Takahashi, Akihisa Kaneko, Masakazu Ito, Jun Yoshinaga, Yasuhiro Hayashi, Hiroshi Asano, Hiromi Konda
2017 A* conf
Learning Co-Substructures by Kernel Dependence Maximization.
IJCAI
Sho Yokoi, Daichi Mochihashi, Ryo Takahashi, Naoaki Okazaki, Kentaro Inui
2017 — conf
Monolithically Integrated 4×4 Optical Switch with Cascaded MZIs and EAM-Gate Array.
ECOC
Yusuke Muranaka, Tatsushi Nakahara, Salah Ibrahim, Takuro Fujii, Toru Segawa, Toshikazu Hashimoto, Ryo Takahashi
2016 C conf
A construction of attribute-based aggregate signatures.
ISITA
Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, Ryo Takahashi
2016 J jnl
Automated Construction System of Robot Locomotion and Operation Platform for Hazardous Environments - Basic System Design and Feasibility Study of Module Transferring and Connecting Motions.
J. Field Robotics
Rui Fukui, Yuta Kato, Ryo Takahashi, Weiwei Wan, Masayuki Nakao
2016 — conf
Construction Planning for a Modularized Rail Structure: Type Selection of Rail Structure Modules and Dispatch Planning of Constructor Robots.
DARS
Rui Fukui, Yuta Kato, Gen Kanayama, Ryo Takahashi, Masayuki Nakao
2016 J jnl
Novel virtual OCS in OPS data center networks.
Photonic Netw. Commun.
Yue-Cai Huang, Yuki Yoshida, Salah Ibrahim, Ryo Takahashi, Atsushi Hiramatsu, Ken-ichi Kitayama
2016 — conf
Quantitative evaluation of alveolar bone resorption on dental panoramic radiographs by standardized dentition image transformation and probability estimation.
EMBC
Chisako Muramatsu, Ryo Takahashi, Tatsuro Hayashi, Takeshi Hara, Tatsumasa Fukui, Akitoshi Katsumata, Hiroshi Fujita
2016 — conf
The effect of short beam length and gap distance on the resonance frequencies in Fishbone-shaped microelectromechanical system resonator.
IEEE SENSORS
Ryo Takahashi, Hidetoshi Miyashita, Kentaro Kinoshita, Sang-Seok Lee
2016 J jnl
Walk control of segmented multi-legged robot based on integrative control of legs and 2-DoF active intersegment joints.
Adv. Robotics
Ryo Takahashi, Shinkichi Inagaki
2015 — conf
100 Gbps multi-format optical packet and circuit switching node with transparent optical switch and burst-mode amplifier.
ECOC
Hideaki Furukawa, Jose Manuel Delgado Mendinueta, Toru Segawa, Ryo Takahashi, Hiroaki Harai, Satoshi Shinada, Naoya Wada
2015 — conf
100-Gbps optical packet switching with ultralow-power label processor and optical switch.
ECOC
Toro Segawa, Salah Ibrahim, Tatsushi Nakahara, Ryo Takahashi
2015 — conf
A torus datacenter network based on OPS/OCS/VOCS enabled by smart flow management.
OFC
Ryo Takahashi, Salah Ibrahim, Toru Segawa, Tatsushi Nakahara, Hiroshi Ishikawa, Yasumasa Suzaki, Yue-Cai Huang, Ken-ichi Kitayama, Atsushi Hiramatsu
2015 — conf
Novel virtual OCS in OPS data center networks.
ONDM
Yue-Cai Huang, Yuki Yoshida, Ken-ichi Kitayama, Salah Ibrahim, Ryo Takahashi, Atsushi Hiramatsu
2015 J jnl
OPS/Agile-OCS Data Center Network With Flow Management.
JOCN
Yue-Cai Huang, Yuki Yoshida, Ken-ichi Kitayama, Salah Ibrahim, Ryo Takahashi, Atsushi Hiramatsu
2015 J jnl
Torus Data Center Network With Smart Flow Control Enabled by Hybrid Optoelectronic Routers [Invited].
JOCN
Ryo Takahashi, Toru Segawa, Salah Ibrahim, Tatsushi Nakahara, Hiroshi Ishikawa, Atsushi Hiramatsu, Yue-Cai Huang, Ken-ichi Kitayama
2014 J jnl
A Novel Optoelectronic Serial-to-Parallel Converter for 25-Gbps 32-bit Optical Label Processing.
IEICE Trans. Electron.
Salah Ibrahim, Hiroshi Ishikawa, Tatsushi Nakahara, Yasumasa Suzaki, Ryo Takahashi
2014 J jnl
Change Detection of Orders in Stock Markets using a Gaussian Mixture Model.
Intell. Syst. Account. Finance Manag.
Bungo Miyazaki, Kiyoshi Izumi, Fujio Toriumi, Ryo Takahashi
2014 — conf
Cooperative Transportation Using Pheromone Agents.
ICAART (Revised Selected Papers)
Ryo Takahashi, Munehiro Takimoto, Yasushi Kambayashi
2014 — conf
Cooperative transportation of a rod using mobile agents.
ROBIO
Koichi Ohashi, Ryo Takahashi, Munehiro Takimoto, Yasushi Kambayashi
2014 — conf
Cooperatively Transporting Unknown Objects using Mobile Agents.
ICAART (2)
Ryo Takahashi, Munehiro Takimoto, Yasushi Kambayashi
2014 — conf
Modeling and performance analysis of OPS data center network with flow management using Express Path.
ONDM
Yue-Cai Huang, Yuki Yoshida, Ken-ichi Kitayama, Salah Ibrahim, Ryo Takahashi, Atsushi Hiramatsu
2014 — conf
Optical packet and path switching intra-data center network: Enabling technologies and network performance with intelligent flow control.
ECOC
Ken-ichi Kitayama, Yue-Cai Huang, Yuki Yoshida, Ryo Takahashi, Masahiro Hayashitani
2014 J jnl
State-Dependence of On-Chip Power Distribution Network Capacitance.
IEICE Trans. Electron.
Koh Yamanaga, Shiho Hagiwara, Ryo Takahashi, Kazuya Masu, Takashi Sato
2014 — conf
Toward early diagnosis of arteriosclerotic diseases: collaborative detection of carotid artery calcifications by computer and dentists on dental panoramic radiographs.
Computer-Aided Diagnosis
Chisako Muramatsu, Ryo Takahashi, Takeshi Hara, Tatsuro Hayashi, Akitoshi Katsumata, Xiangrong Zhou, Hiroshi Fujita
2014 J jnl
Wavelength-Routed Switching for 25-Gbit/s Optical Packets Using a Compact Transmitter Integrating a Parallel-Ring-Resonator Tunable Laser and an InGaAlAs EAM.
IEICE Trans. Electron.
Toru Segawa, Wataru Kobayashi, Tatsushi Nakahara, Ryo Takahashi
2013 J jnl
A parallel-to-serial converter based on a differentially-operated optically clocked transistor array.
IEICE Electron. Express
Hiroshi Ishikawa, Tatsushi Nakahara, Hiroki Sugiyama, Ryo Takahashi
2013 J jnl
Increase of Crosstalk Noise Due to Imbalanced Threshold Voltage Between nMOS and pMOS in Subthreshold Logic Circuits.
IEEE J. Solid State Circuits
Hiroshi Fuketa, Ryo Takahashi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
2013 J jnl
Mechanical equilibrium model of rubberless artificial muscle and application to position control of antagonistic drive system.
Ind. Robot
Naoki Saito, Takanori Sato, Takanori Ogasawara, Ryo Takahashi, Toshiyuki Satoh
2013 — conf
Variation-aware subthreshold logic circuit design.
ASICON
Hiroshi Fuketa, Ryo Takahashi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
2012 — conf
24% Power reduction by post-fabrication dual supply voltage control of 64 voltage domains in V
ISQED
Tadashi Yasufuku, Koji Hirairi, Yu Pu, Yun Fei Zheng, Ryo Takahashi, Masato Sasaki, Hiroshi Fuketa, Atsushi Muramatsu, Masahiro Nomura, Hirofumi Shinohara, Makoto Takamiya, Takayasu Sakurai
2012 — conf
Diffusion noise suppression by crystal-shape subtraction array.
APSIPA
Akira Tanaka, Ryo Takahashi
2012 — conf
Increase of crosstalk noise due to imbalanced threshold voltage between NMOS and PMOS in sub-threshold logic circuits.
CICC
Hiroshi Fuketa, Ryo Takahashi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
2012 J jnl
Large Within-Die Gate Delay Variations in Sub-Threshold Logic Circuits at Low Temperature.
IEEE Trans. Circuits Syst. II Express Briefs
Ryo Takahashi, Hidehiro Takata, Tadashi Yasufuku, Hiroshi Fuketa, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
2011 J jnl
Monolithically Integrated Wavelength-Routing Switch Using Tunable Wavelength Converters with Double-Ring-Resonator Tunable Lasers.
IEICE Trans. Electron.
Toru Segawa, Shinji Matsuo, Takaaki Kakitsuka, Yasuo Shibata, Tomonari Sato, Yoshihiro Kawaguchi, Yasuhiro Kondo, Ryo Takahashi
2011 J jnl
User Customizable Logic Paper (UCLP) With Sea-Of Transmission-Gates (SOTG) of 2-V Organic CMOS and Ink-Jet Printed Interconnects.
IEEE J. Solid State Circuits
Koichi Ishida, Naoki Masunaga, Ryo Takahashi, Tsuyoshi Sekitani, Shigeki Shino, Ute Zschieschang, Hagen Klauk, Makoto Takamiya, Takao Someya, Takayasu Sakurai
2010 J jnl
Inner angle of triangle on unit circle made of consecutive three points generated by chaotic map.
JSIAM Lett.
Ryo Takahashi, Etsushi Nameda, Ken Umeno
2010 J jnl
Linear Time Calculation of On-Chip Power Distribution Network Capacitance Considering State-Dependence.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shiho Hagiwara, Koh Yamanaga, Ryo Takahashi, Kazuya Masu, Takashi Sato
2010 — conf
Linear time calculation of state-dependent power distribution network capacitance.
ISQED
Shiho Hagiwara, Koh Yamanaga, Ryo Takahashi, Kazuya Masu, Takashi Sato
2010 — conf
User Customizable Logic Paper (UCLP) with organic sea-of-transmission-gates (SOTG) architecture and ink-jet printed interconnects.
ISSCC
Koichi Ishida, Naoki Masunaga, Ryo Takahashi, Tsuyoshi Sekitani, Shigeki Shino, Ute Zschieschang, Hagen Klauk, Makoto Takamiya, Takao Someya, Takayasu Sakurai
2006 J jnl
An optically clocked transistor array (OCTA) for 40-Gb/s, bidirectional serial-to-parallel conversion of asynchronous burst optical packets.
IEICE Electron. Express
Ryohei Urata, Ryo Takahashi, Tetsuya Suemitsu, Hiroyuki Suzuki
2005 J jnl
High-Speed Optical Packet Processing Technologies for Optical Packet-Switched Networks.
IEICE Trans. Electron.
Hirokazu Takenouchi, Tatsushi Nakahara, Kiyoto Takahata, Ryo Takahashi, Hiroyuki Suzuki
2004 — conf
Functionally optimized subdivision surfaces.
SIGGRAPH Sketches
Pushkar Joshi, Carlo H. Séquin, Ryo Takahashi