Ryo Ishikawa

Publication Activity (10 Years)

Years Active: 2001-2023
Publications (10 Years): 14

Top Topics

High Efficiency

Experimental Design

Wireless Sensor

Probability Maps

Top Venues

IEICE Trans. Electron.

IEICE Trans. Commun.

IEEE Trans. Circuits Syst. I Regul. Pap.

Publications

Yukiteru Masuda, Ryo Ishikawa, Toru Tanaka, Gakuto Aoyama, Keitaro Kawashima, James V. Chapman, Masahiko Asami, Michael Huy Cuong Pham, Klaus Fuglsang Kofoed, Takuya Sakaguchi, Kiyohide Satoh
Fully automatic mitral valve 4D shape extraction using probability maps. CoRR (2023)
Masatoshi Hanai, Mitsuaki Kawamura, Ryo Ishikawa, Toyotaro Suzumura, Kenjiro Taura
Cloud Data Acquisition from Shared-Use Facilities in A University-Scale Laboratory Information Management System. UCC (2023)
Akira Saitou, Ryo Ishikawa, Kazuhiko Honjo
Pattern Synthesis of Spatial Eigenmodes Exploiting Spherical Conformal Array. IEICE Trans. Commun. (10) (2022)
Ryo Ishikawa, Yoichiro Takayama, Kazuhiko Honjo
Doherty Amplifier Design Based on Asymmetric Configuration Scheme. IEICE Trans. Electron. (10) (2021)
Toru Tanaka, Ryo Ishikawa, Keita Nakagomi, Kazuhiro Miyasa, Kiyohide Satoh, Masahiro Yakami, Thai Akasaka, Koji Onoue, Takeshi Kubo, Mizuho Nishio, Yutaka Emoto, Kaori Togashi
Adaptive Voxel Matching for Temporal CT Subtraction. J. Digit. Imaging 33 (6) (2020)
Shinichi Tanaka, Sota Koizumi, Ryo Ishikawa, Kazuhiko Honjo
Class-F GaN HEMT Amplifiers Using Compact CRLH Harmonic Tuning Stubs Designed Based on Negative Order Resonance Modes. IEICE Trans. Electron. (10) (2019)
Hiroto Otsuka, Ryohei Yamagishi, Akira Saitou, Hiroshi Suzuki, Ryo Ishikawa, Kazuhiko Honjo
High Performance OAM Communication Exploiting Port-Azimuth Effect of Loop Antennas. IEICE Trans. Commun. (12) (2019)
Van-Trung Nguyen, Ryo Ishikawa, Koichiro Ishibashi
83nJ/bit Transmitter Using Code-Modulated Synchronized-OOK on 65nm SOTB for Normally-Off Wireless Sensor Networks. IEICE Trans. Electron. (7) (2018)
Kazuki Mashimo, Ryo Ishikawa, Kazuhiko Honjo
4.5-/4.9-GHz-Band Selective High-Efficiency GaN HEMT Power Amplifier by Characteristic Impedance Switching. IEICE Trans. Electron. (10) (2018)
Manh Duy Luong, Ryo Ishikawa, Yoichiro Takayama, Kazuhiko Honjo
Microwave Characteristics of an Independently Biased 3-Stack InGaP/GaAs HBT Configuration. IEEE Trans. Circuits Syst. I Regul. Pap. (5) (2017)
Shinichi Tanaka, Takao Katayose, Hiroki Nishizawa, Ken'ichi Hosoya, Ryo Ishikawa, Kazuhiko Honjo
Miniaturization of Double Stub Resonators Using Lumped-Element Capacitors for MMIC Applications. IEICE Trans. Electron. (7) (2016)
Tsuyoshi Yoshida, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo
Miniature Design Technique of Stabilized C-Band p-HEMT MMIC Doherty Power Amplifier with Lumped Element Load Modulator. IEICE Trans. Electron. (10) (2016)
Ryo Ishikawa, Yoichiro Takayama, Kazuhiko Honjo
Experimental Design Method for High-Efficiency Microwave Power Amplifiers Based on a Low-Frequency Active Harmonic Load-Pull Technique. IEICE Trans. Electron. (10) (2016)
Shoichi Onodera, Ryo Ishikawa, Akira Saitou, Kazuhiko Honjo
Novel Design of Dual-Band Reconfigurable Dipole Antenna Using Lumped and Distributed Elements. IEICE Trans. Commun. (7) (2016)
Kohei Hasegawa, Ryo Ishikawa, Akira Saitou, Kazuhiko Honjo
Digital Spatial Modulation Using Dual Scatterers Embedded with Switches for Wireless Power Transmission Applications. IEICE Trans. Electron. (7) (2015)
Yuki Takagi, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo
A High-Efficiency Low-Distortion Cascode Power Amplifier Consisting of Independently Biased InGaP/GaAs HBTs. IEICE Trans. Electron. (1) (2014)
Bo Zheng, Ryo Ishikawa, Jun Takamatsu, Katsushi Ikeuchi, Takaaki Endo, Kiyohide Sato, Takayuki Ueno, Tomoharu Sugie, Masakazu Toi, Shotaro Kanao, Kaori Togashi
Breast MR Image Fusion by Deformable Implicit Polynomial (DIP). Inf. Media Technol. 8 (4) (2013)
Akira Saitou, Kohei Hasegawa, Ryo Ishikawa, Kazuhiko Honjo
Spatially Modulated Communication Method Using Dual Scatterers Embedded with Lumped Elements for Wireless Power Transmission. IEICE Trans. Commun. (10) (2013)
Kyoung-Pyo Ahn, Ryo Ishikawa, Kazuhiko Honjo
UWB Active Balun Design with Small Group Delay Variation and Improved Return Loss. IEICE Trans. Electron. (5) (2011)
Akihiro Ando, Yoichiro Takayama, Tsuyoshi Yoshida, Ryo Ishikawa, Kazuhiko Honjo
A Predistortion Diode Linearizer Technique with Automatic Average Power Bias Control for a Class-F GaN HEMT Power Amplifier. IEICE Trans. Electron. (7) (2011)
Ryo Ishikawa, Junichi Kimura, Yukio Takahashi, Kazuhiko Honjo
-Ladder Circuit in Base Bias Circuit. IEICE Trans. Electron. (7) (2010)
Kyoung-Pyo Ahn, Ryo Ishikawa, Akira Saitou, Kazuhiko Honjo
Synthesis for Negative Group Delay Circuits Using Distributed and Second-Order RC Circuit Configurations. IEICE Trans. Electron. (9) (2009)
Ryo Ishikawa, Takuya Abe, Kazuhiko Honjo, Masao Shimada
InGaP/GaAs HBT MMIC Amplifier with Low Power Consumption and Low Noise Characteristics for Full-Band UWB Receiver Systems. IEICE Trans. Electron. (11) (2008)
Yukio Takahashi, Ryo Ishikawa, Kazuhiko Honjo
Accurate Distortion Prediction for Thermal Memory Effect in Power Amplifier Using Multi-Stage Thermal RC-Ladder Network. IEICE Trans. Electron. (9) (2007)
Toshihide Tosaka, Yukio Yamanaka, Kaori Fukunaga, Ryo Ishikawa, Mitsuo Hattori
Evaluation of Information Leakage from PC Displays Using Spectrum Analyzers. IEICE Trans. Commun. (11) (2007)
Itaru Nakagawa, Ryo Ishikawa, Kazuhiko Honjo, Masao Shimada
InGaP/GaAs HBT MMIC Amplifier with Active Balun for Ultra-Wideband Self-Complementary Antenna. IEICE Trans. Electron. (12) (2006)
Ryo Ishikawa, Kazuo Kato, Mitsunori Kubo, Takeo Uzuka, Hideaki Takahashi
Finite Element Analysis and Experimental Study on Mechanism of Brain Injury Using Brain Model. EMBC (2006)
Masato Seki, Ryo Ishikawa, Kazuhiko Honjo
Microwave Class-F InGaP/GaAs HBT Power Amplifier Considering up to 7th-Order Higher Harmonic Frequencies. IEICE Trans. Electron. (7) (2006)
Kazumi Komiya, Ryo Ishikawa, Keiko Momose
Speech recognition technology combined with three-dimensional lip movement. Three-Dimensional Image Capture and Applications (2001)