Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11736060 | Photovoltaic apparatus and photovoltaic apparatus control method | Seiji Yamamoto, Rui Mikami, Kenichi Hirotsu | 2023-08-22 |
| 11495527 | Semiconductor module | Hirotaka Oomori, Takashi Tsuno | 2022-11-08 |
| 10116197 | Transformer without magnetic coupling, electromagnetic induction or mutual inductance | Hideaki Nakahata, Kenichi Hirotsu, Takashi Ohira, Kyohei Yamada, Daiya Egashira | 2018-10-30 |
| 9154052 | Power inverter circuit having switching elements | Kazuhiro Fujikawa, Nobuo Shiga, Takashi Ohira | 2015-10-06 |
| 9136911 | Power line communication device, power supply circuit with communication function, electric appliance, and control and monitoring system | Takashi Hikihara, Tsuguhiro Takuno, Kenichi Hirotsu, Takefumi Shimoguchi, Toshikazu Shibata +1 more | 2015-09-15 |
| 8928002 | Semiconductor device and method of manufacturing semiconductor device | — | 2015-01-06 |
| 8917142 | Switching circuit and envelope signal amplifier | Kazuhiro Fujikawa, Takashi Tsuno, Nobuo Shiga, Takashi Ohira, Kazuyuki Wada +2 more | 2014-12-23 |
| 8878604 | Switching circuit and envelope signal amplifier | Takashi Ohira, Kazuyuki Wada, Mitsutoshi Nakata, Kazushi Sawada, Nobuo Shiga +1 more | 2014-11-04 |
| 8551864 | Method of manufacturing semiconductor device | — | 2013-10-08 |
| 8536930 | Switching circuit | Nobuo Shiga, Kazuhiro Fujikawa, Takashi Ohira, Kazuyuki Wada, Tuya Wuren +2 more | 2013-09-17 |
| 7750377 | Vertical junction field effect transistors, and methods of producing the vertical junction field effect transistors | Takashi Hoshino, Shin Harada, Kazuhiro Fujikawa, Kenichi Hirotsu | 2010-07-06 |
| 7671387 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Takashi Hoshino, Hiroyuki Matsunami +1 more | 2010-03-02 |
| 7671388 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Takashi Hoshino, Hiroyuki Matsunami +1 more | 2010-03-02 |
| 7420232 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Takashi Hoshino, Hiroyuki Matsunami +1 more | 2008-09-02 |
| 7282760 | Vertical junction field effect transistors, and methods of producing the vertical junction field effect transistors | Takashi Hoshino, Shin Harada, Kazuhiro Fujikawa, Kenichi Hirotsu | 2007-10-16 |
| 7049644 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Takashi Hoshino, Hiroyuki Matsunami +1 more | 2006-05-23 |