Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872958 | Semiconductor device | — | 2020-12-22 |
| 10141399 | Semiconductor device | Hideki Okumura, Hiroto Misawa, Akira Ezaki, Tatsuya Shiraishi | 2018-11-27 |
| 10020362 | Semiconductor device and method of manufacturing the same | Hideki Okumura, Sadayuki Jimbo, Takuya Yamaguchi | 2018-07-10 |
| 9865680 | Semiconductor device with peripheral void space and method of making the same | Hideki Okumura, Takuya Yamaguchi, Sadayuki Jimbo | 2018-01-09 |
| 7906416 | Method for manufacturing semiconductor device | Hideki Nozaki, Motoshige Kobayashi | 2011-03-15 |
| 7772641 | Power semiconductor device with a plurality of gate electrodes | Ichiro Omura, Yoko Sakiyama, Hideki Nozaki, Atsushi Murakoshi, Koichi Sugiyama +3 more | 2010-08-10 |
| 7541642 | Semiconductor device with a gate electrode including a pair of polysilicon layers | Keiko Kawamura | 2009-06-02 |
| 7507630 | Method of fabricating a semiconductor device | Hitoshi Shinohara, Keiko Kawamura | 2009-03-24 |
| 7423315 | Semiconductor device and method for manufacturing the same | Hideki Okumura, Hitoshi Kobayashi, Satoshi Aida, Shigeo Kouzuki, Masaru Izumisawa +2 more | 2008-09-09 |
| 7420245 | Semiconductor device and method of manufacturing the same | Atsuko Yamashita, Tetsuo Matsuda, Hideki Okumura | 2008-09-02 |
| 7262477 | Semiconductor device | Hideki Okumura, Hitoshi Kobayashi, Akihiro Osawa, Satoshi Aida, Shigeo Kouzuki +1 more | 2007-08-28 |
| 6995426 | Semiconductor device having vertical metal insulator semiconductor transistors having plural spatially overlapping regions of different conductivity type | Hideki Okumura, Hitoshi Kobayashi, Akihiko Osawa, Wataru Saito, Masakazu Yamaguchi +1 more | 2006-02-07 |
| 6429501 | Semiconductor device having high breakdown voltage and method for manufacturing the device | Shingo Satou | 2002-08-06 |
| 6337498 | Semiconductor device having directionally balanced gates and manufacturing method | Shigeru Hasegawa, Hideo Matsuda, Yoshiro Baba | 2002-01-08 |
| 6239464 | Semiconductor gate trench with covered open ends | Keita Suzuki, Akihiko Osawa, Yoshiro Baba | 2001-05-29 |
| 6222231 | Semiconductor device of high breakdown voltage using semiconductive film and its manufacturing method | Shingo Satou | 2001-04-24 |
| 6084263 | Power device having high breakdown voltage and method of manufacturing the same | Shizue Hori, Akihiko Osawa | 2000-07-04 |
| 6060747 | Semiconductor device | Hideki Okumura, Akihiko Osawa, Yoshiro Baba, Noboru Matsuda | 2000-05-09 |
| 6031276 | Semiconductor device and method of manufacturing the same with stable control of lifetime carriers | Akihiko Osawa, Yoshiro Baba, Shizue Hori | 2000-02-29 |
| 5770514 | Method for manufacturing a vertical transistor having a trench gate | Noboru Matsuda, Yoshiro Baba, Satoshi Yanagiya | 1998-06-23 |
| 5578508 | Vertical power MOSFET and process of fabricating the same | Yoshiro Baba, Satoshi Yanagiya, Noboru Matsuda, Akihiko Osawa | 1996-11-26 |