Koji Yamanaka

According to our database, Koji Yamanaka authored at least 9 papers between 2009 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

GaN Solid State Power Amplifiers for Microwave Power Transfer and Microwave Heating.

Koji Yamanaka, Kazuhiro Iyomasa, Takumi Sugitani, Eigo Kuwata, Shintaro Shinjo

IEICE Trans. Electron., 2024

Terahertz Sensing with CMOS-RFIC - Feasibility Verification for Short-Range Imaging using 300GHz MIMO Radar -.

Ichiro Somada, Akihito Hirai, Keigo Nakatani, Akinori Taira, Kazuaki Ishioka, Takuma Nishimura, Koji Yamanaka

Proceedings of the IEEE Symposium on VLSI Technology and Circuits 2024, 2024

2021

Overview and Prospects of High Power Amplifier Technology Trend for 5G and beyond 5G Base Stations.

Koji Yamanaka, Shintaro Shinjo, Yuji Komatsuzaki, Shuichi Sakata, Keigo Nakatani, Yutaro Yamaguchi

IEICE Trans. Electron., 2021

2019

120-W Ku-Band GaN SSPA with Diode Linearizer for Future Broadcasting Satellites.

Masafumi Nagasaka, Masaaki Kojima, Takuma Torii, Hiromitsu Utsumi, Koji Yamanaka, Shintaro Shinjo, Mitsuhiro Shimozawa, Hisashi Sujikai

IEICE Trans. Electron., 2019

2017

Highly integrated RF frontend module for high SHF wide-band massive MIMO in 5G, and switching-mode amplifiers beyond 4G.

Shintaro Shinjo, Keigo Nakatani, Jun Kamioka, Ryota Komaru, Shuichi Sakata, Takanobu Fujiwara, Hideyuki Nakamizo, Koji Yamanaka

Proceedings of the 2017 International Symposium on VLSI Design, Automation and Test, 2017

2015

Recent Activities of Japanese Microwave Industry.

Koji Yamanaka, Yasunori Suzuki, Shoichi Narahashi, Takaya Wada, Makoto Kawashima, Ken Takei, Kazutaka Takagi, Atsushi Honda, Zhengyi Li, Liang Zhou, Yoji Ohashi, Wataru Hattori, Yusuke Takahashi

IEICE Trans. Electron., 2015

A broadband Rx band noise reduction circuit with CMOS switch for multi-band power amplifier.

Yoshifumi Kawamura, Shintaro Shinjo, Kazuhiro Iyomasa, Masakazu Hirobe, Katsuya Kato, Yoshinori Takahashi, Shigeo Yamabe, Kenichi Horiguchi, Morishige Hieda, Koji Yamanaka

Proceedings of the 2015 IEEE Radio and Wireless Symposium, 2015

2010

On the Large Signal Evaluation and Modeling of GaN FET.

Iltcho Angelov, Mattias Thorsell, Kristoffer Andersson, Akira Inoue, Koji Yamanaka, Hifumi Noto

IEICE Trans. Electron., 2010

2009

Evaluation of baseball pitching form by ground reaction force measurement and video analysis.

Kiyoshi Nosu, Yuichi Yabuzaki, Koji Yamanaka

J. Vis., 2009