Akira Yasuda

27 papers C 8Journal 6Unranked 13
YearRankTypeTitle / Venue / Authors
2026 C conf
A High-Resolution and High-Sensitivity CSRR Sensor Using a Q-Value Enhancement Circuit for Glucose Concentration Measurement.
ICCE
Shunya Watanabe, Yasuhiro Sugimoto, Kuniaki Kure, Hinata Ito, Kiichi Yamashita, Akira Yasuda
2024 C conf
A CSRR Glucose Concentration Sensor with Increased Resolution Using the Q-value Enhancement Circuit Technique.
ICCE
Uta Kobayashi, Yasuhiro Sugimoto, Koji Yoshimura, Kiichi Yamashita, Akira Yasuda
2024 C conf
A Complementary Split Ring Resonator Sensor Optimized for Maximizing the Dip and Q-value in S21 Frequency Characteristics.
ICCE
Koji Yoshimura, Yasuhiro Sugimoto, Uta Kobayashi, Kiichi Yamashita, Akira Yasuda
2024 C conf
Digital direct-drive speaker system using MEMS speakers.
ICCE
Reiji Takaki, Akira Yasuda
2020 C conf
Efficiency improvement method for low output of Multi Coils Motor.
IECON
Takeru Yoshida, Fumito Masuko, Akira Yasuda
2019 J jnl
Delta-Sigma ADC Based on Switched-Capacitor Integrator with FIR Filter Structure.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Satoshi Saikatsu, Akira Yasuda
2017 — conf
A delta-sigma DAC with feedforward jitter-shaper reducing jitter noise.
MIXDES
Shuta Masuda, Satoshi Saikatsu, Michitaka Yoshino, Akira Yasuda
2017 — conf
A high precision vernier type delta-sigma time to digital converter.
MIXDES
Kengo Ando, Takahiro Kate, Satoshi Saikatsu, Akira Yasuda
2017 — conf
A reduction of circuit size of digital direct-driven speaker architecture using segmented pulse shaping technique.
SiPS
Shingo Noami, Satoshi Saikatsu, Akira Yasuda
2017 — conf
An application for tree structure NSDEM to a directivity speaker with amplitude controlling a digitally direct driven speaker.
MIXDES
Hideki Akiyama, Sogami Yasutaka, Akira Yasuda, Saikatu Satoshi
2017 C conf
Speaker system with 100-W high output power and 0.17% THD using 9-V power supply with digitally direct-driven technique.
ICCE
Yuki Furuya, Masayoshi Takahashi, Satoshi Saikatsu, Michitaka Yoshino, Akira Yasuda
2016 — conf
A Data Mining Approach on the Structure of Patient Satisfaction in HCAHPS Databases.
ICHI
Masumi Okuda, Akira Yasuda, Shusaku Tsumoto
2016 — conf
Digital direct-driven speaker architecture using segmented pulse shaping technique.
NEWCAS
Go Harumi, Satoshi Saikatsu, Michitaka Yoshino, Akira Yasuda
2015 — conf
The Change of the Structure of Patient Satisfaction by Waiting Time, Length of Stay and Hospital Rebuilding in Japan.
ICDM Workshops
Masumi Okuda, Akira Yasuda, Shusaku Tsumoto
2015 — conf
The Effects of Waiting Time, Length of Stay, and Hospital Remodeling on the Structure of Patient Satisfaction.
ICServ
Masumi Okuda, Akira Yasuda, Shusaku Tsumoto
2014 C conf
A highly directional speaker with amplitude-phase control using a digitally direct-driven system.
ICCE
Takemichi Ishikawa, Shuma Yokoyama, Noboru Harashima, Dai Takahashi, Jun Shiozawa, Michitaka Yoshino, Akira Yasuda
2014 — conf
Exploratory Analysis of Factors of Patient Satisfaction in HCAHPS Databases.
ICServ
Masumi Okuda, Akira Yasuda, Shusaku Tsumoto
2014 — conf
Factors of Patient Satisfaction Based on Distant Analysis in HCAHPS Databases.
ICDM Workshops
Masumi Okuda, Akira Yasuda, Shusaku Tsumoto
2011 — conf
A novel audio playback chip using digitally driven speaker architecture with 80%@-10dBFS power efficiency, [email protected] supply and 100dB SNR.
CICC
Michitaka Yoshino, Mitsuhiro Iwaide, Daigo Kuniyoshi, Hajime Ohtani, Akira Yasuda, Jun-ichi Okamura
2006 C conf
A single-chip audio system with delta-sigma DAC and class-D amplifier.
ISCAS
Akira Yasuda, Akinori Ohkubo, Katsuya Ogata, Hajime Ueno, Takeshi Anzai, Takashi Kimura, Koichiro Ochiai, Toshihiko Hamasaki
2004 — conf
A class-D amplifier using a spectrum shaping technique [audio power amplifier].
CICC
Akira Yasuda, Takashi Kimura, Koichiro Ochiai, Toshihiko Hamasaki
2002 J jnl
A fourth-order bandpass Δ-Σ modulator using second-order bandpass noise-shaping dynamic element matching.
IEEE J. Solid State Circuits
Takeshi Ueno, Akira Yasuda, Takafumi Yamaji, Tetsuro Itakura
2002 — conf
Analysis of Amino Acid Sequences by Statistical Technique.
JCIS
Shusaku Tsumoto, Shoji Hirano, Akira Yasuda, Kouhei Tsumoto
2002 J jnl
Analysis of amino-acid sequences by statistical technique.
Inf. Sci.
Shusaku Tsumoto, Shoji Hirano, Akira Yasuda, Kouhei Tsumoto
1999 J jnl
A 2.7-V, 200-kHz, 49-dBm, stopband-IIP3, low-noise, fully balanced gm-C filter IC.
IEEE J. Solid State Circuits
Tetsuro Itakura, Takashi Ueno, Hiroshi Tanimoto, Akira Yasuda, Ryuichi Fujimoto, Tadashi Arai, Hideyuki Kokatsu
1998 J jnl
A third-order ΔΣ modulator using second-order noise-shaping dynamic element matching.
IEEE J. Solid State Circuits
Akira Yasuda, Hiroshi Tanimoto, Tetsuya Iida
1996 J jnl
An offset-free LPF for π/4-shift QPSK signal generator.
IEEE J. Solid State Circuits
Hiroshi Tanimoto, Tetsuro Itakura, Takashi Ueno, Akira Yasuda, Kazuhiro Oda