Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10809769 | Electronic device and waterproof case | Yasunori Chiba, Gu Wen Dong | 2020-10-20 |
| 7537983 | MOSFET | Takeshi Uchihara, Akira Tanioka, Takuma Hara | 2009-05-26 |
| 7224022 | Vertical type semiconductor device and method of manufacturing the same | Keinichi Tokano, Yoshihiko Saito, Shigeo Kouzuki, Masaru Izumisawa, Takahiro Kawano | 2007-05-29 |
| 6943406 | Semiconductor device | Takeshi Uchihara, Hideyuki Ura, Takuma Hara | 2005-09-13 |
| 6521954 | Semiconductor device and manufacturing method thereof | Shigeo Kouzuki, Tatsuo Yoneda | 2003-02-18 |
| 6410958 | Power MOSFET having laterally three-layered structure formed among element isolation regions | Shigeo Kouzuki | 2002-06-25 |
| 5796124 | MOS gate controlled thyristor | Hidetoshi Nakanishi, Shigenori Yakushiji | 1998-08-18 |
| 5543639 | MOS gate controlled thyristor | Hidetoshi Nakanishi, Shigenori Yakushiji | 1996-08-06 |
| 5489789 | Semiconductor device | Hidetoshi Nakanishi | 1996-02-06 |
| 5345094 | Light triggered triac device and method of driving the same | Shinjiro Yano | 1994-09-06 |
| 5336907 | MOS gate controlled thyristor having improved turn on/turn off characteristics | Hidetoshi Nakanishi | 1994-08-09 |
| 4918514 | Press-contact type semiconductor device | Hideo Matsuda, Shinjiro Kojima, Masaru Ando | 1990-04-17 |
| 4882612 | Power semiconductor device | Hiroshi Okamura, Yoshinari Uetake, Takashi Fujiwara | 1989-11-21 |
| 4717947 | Semiconductor device turned on and off by light | Hideo Matsuda, Yoshiaki Tsunoda, Takashi Fujiwara | 1988-01-05 |