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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.
CoRR
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Publications
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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)