Naoki Hara

According to our database, Naoki Hara authored at least 10 papers between 2001 and 2025.

Collaborative distances:

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

2025

A 9.3% PAE, 9.2-dBm <i>P</i>_OUT power amplifier and -1.9-dB <i>G</i>_c upconverting mixer using InP-based MOS HEMTs for 300-GHz phased-array transmitters.

Yasuhiro Nakasha, Shiro Ozaki, Yusuke Kumazaki, Naoya Okamoto, Shoichi Shiba, Masaru Sato, Naoki Hara, Toshihiro Ohki

IEICE Electron. Express, 2025

2023

High-Efficiency 250-320GHz Power Amplifiers Using InP-Based Metal-Oxide-Semiconductor High-Electron-Mobility Transistors.

Yusuke Kumazaki, Shiro Ozaki, Naoya Okamoto, Naoki Hara, Yasuhiro Nakasha, Masaru Sato, Toshihiro Ohki

IEICE Trans. Electron., November, 2023

Uniform/Selective Heating Microwave Oven Using High Efficiency GaN-on-GaN HEMT Power Amplifier.

Masaru Sato, Yusuke Kumazaki, Naoya Okamoto, Toshihiro Ohki, Naoko Kurahashi, Masato Nishimori, Atsushi Yamada, Junji Kotani, Naoki Hara, Keiji Watanabe

IEICE Trans. Electron., October, 2023

2017

Robust Q-Band InP- and GaN-HEMT Low Noise Amplifiers.

Masaru Sato, Yoshitaka Niida, Toshihide Suzuki, Yasuhiro Nakasha, Yoichi Kawano, Taisuke Iwai, Naoki Hara, Kazukiyo Joshin

IEICE Trans. Electron., 2017

2016

300-GHz Amplifier in 75-nm InP HEMT Technology.

Hiroshi Matsumura, Yoichi Kawano, Shoichi Shiba, Masaru Sato, Toshihide Suzuki, Yasuhiro Nakasha, Tsuyoshi Takahashi, Kozo Makiyama, Taisuke Iwai, Naoki Hara

IEICE Trans. Electron., 2016

2015

Beyond 110 GHz InP-HEMT Based Mixer Module Using Flip-Chip Assembly for Precise Spectrum Analysis.

Shoichi Shiba, Masaru Sato, Hiroshi Matsumura, Yoichi Kawano, Tsuyoshi Takahashi, Toshihide Suzuki, Yasuhiro Nakasha, Taisuke Iwai, Naoki Hara

IEICE Trans. Electron., 2015

Foreword.

Naoki Hara

IEICE Trans. Electron., 2015

2013

Submillimeter-wave InP HEMT amplifiers with current-reuse topology.

Masaru Sato, Shoichi Shiba, Hiroshi Matsumura, Tsuyoshi Takahashi, Toshihide Suzuki, Yasuhiro Nakasha, Naoki Hara

Proceedings of the 2013 IEEE Radio and Wireless Symposium, 2013

2011

Performance Analysis of a 10-Gb/s Millimeter-Wave Impulse Radio Transmitter.

Yasuhiro Nakasha, Naoki Hara, Kiyomichi Araki

IEICE Trans. Electron., 2011

2001

A 49-GHz preamplifier with a transimpedance gain of 52 dBΩ using InP HEMTs.

Hisao Shigematsu, Masaru Sato, Toshihide Suzuki, Tsuyoshi Takahashi, Kenji Imanishi, Naoki Hara, Hiroaki Ohnishi, Yuu Watanaba

IEEE J. Solid State Circuits, 2001