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ORCIDRyo Ishikawa
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2020 – today
- 2024
[i2]Masatoshi Hanai, Ryo Ishikawa, Mitsuaki Kawamura, Masato Ohnishi, Norio Takenaka, Kou Nakamura, Daiju Matsumura, Seiji Fujikawa, Hiroki Sakamoto, Yukinori Ochiai, Tetsuo Okane, Shin-Ichiro Kuroki, Atsuo Yamada, Toyotaro Suzumura, Junichiro Shiomi, Kenjiro Taura, Yoshio Mita, Naoya Shibata, Yuichi Ikuhara:
ARIM-mdx Data System: Towards a Nationwide Data Platform for Materials Science. CoRR abs/2409.06734 (2024)- 2023
- [c3]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: 21 - [i1]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:
CNN-based fully automatic mitral valve extraction using CT images and existence probability maps. CoRR abs/2305.00627 (2023) - 2022
- [j26]Akira Saitou, Ryo Ishikawa, Kazuhiko Honjo:
Pattern Synthesis of Spatial Eigenmodes Exploiting Spherical Conformal Array. IEICE Trans. Commun. 105-B(10): 1231-1239 (2022) - 2021
- [j25]Ryo Ishikawa, Yoichiro Takayama, Kazuhiko Honjo:
Doherty Amplifier Design Based on Asymmetric Configuration Scheme. IEICE Trans. Electron. 104-C(10): 496-505 (2021) - 2020
- [j24]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): 1543-1553 (2020)
2010 – 2019
- 2019
- [j23]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. 102-C(10): 691-698 (2019) - [j22]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. 102-B(12): 2267-2275 (2019) - 2018
- [j21]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. 101-C(7): 472-479 (2018) - [j20]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. 101-C(10): 751-758 (2018) - 2017
- [j19]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. 64-I(5): 1140-1151 (2017) - 2016
- [j18]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. 99-C(7): 830-836 (2016) - [j17]Shoichi Onodera, Ryo Ishikawa, Akira Saitou, Kazuhiko Honjo:
Novel Design of Dual-Band Reconfigurable Dipole Antenna Using Lumped and Distributed Elements. IEICE Trans. Commun. 99-B(7): 1550-1557 (2016) - [j16]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. 99-C(10): 1130-1139 (2016) - [j15]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. 99-C(10): 1147-1155 (2016) - 2015
- [j14]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. 98-C(7): 709-715 (2015) - 2014
- [j13]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. 97-C(1): 58-64 (2014) - 2013
- [j12]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. 96-B(10): 2425-2430 (2013) - [j11]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): 1090-1094 (2013) - 2011
- [j10]Kyoung-Pyo Ahn, Ryo Ishikawa, Kazuhiko Honjo:
UWB Active Balun Design with Small Group Delay Variation and Improved Return Loss. IEICE Trans. Electron. 94-C(5): 905-908 (2011) - [j9]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. 94-C(7): 1193-1198 (2011) - 2010
- [j8]Ryo Ishikawa, Junichi Kimura, Yukio Takahashi, Kazuhiko Honjo:
Distortion Compensation for Thermal Memory Effect on InGaP/GaAs HBT Amplifier by Inserting RC-Ladder Circuit in Base Bias Circuit. IEICE Trans. Electron. 93-C(7): 958-965 (2010)
2000 – 2009
- 2009
- [j7]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. 92-C(9): 1176-1181 (2009) - [j6]Bo Zheng, Ryo Ishikawa, Takeshi Oishi, Jun Takamatsu, Katsushi Ikeuchi:
A Fast Registration Method Using IP and Its Application to Ultrasound Image Registration. Inf. Media Technol. 4(4): 988-998 (2009) - 2008
- [j5]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. 91-C(11): 1828-1831 (2008) - 2007
- [j4]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. 90-C(9): 1658-1663 (2007) - [j3]Toshihide Tosaka, Yukio Yamanaka, Kaori Fukunaga, Ryo Ishikawa, Mitsuo Hattori:
Evaluation of Information Leakage from PC Displays Using Spectrum Analyzers. IEICE Trans. Commun. 90-B(11): 3315-3318 (2007) - 2006
- [j2]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. 89-C(7): 937-942 (2006) - [j1]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. 89-C(12): 1814-1820 (2006) - [c2]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: 1327-1330 - 2001
- [c1]Kazumi Komiya, Ryo Ishikawa, Keiko Momose:
Speech recognition technology combined with three-dimensional lip movement. Three-Dimensional Image Capture and Applications 2001: 95-102
Coauthor Index
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