Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146947 | Insulated gate type field effect transistor and method of manufacturing the same | Naoto Okabe, Makio Iida | 2000-11-14 |
| 6133120 | Boron-doped p-type single crystal silicon carbide semiconductor and process for preparing same | Takeshi Miyajima, Atsuo Fukumoto, Hidemitsu Hayashi | 2000-10-17 |
| 6133587 | Silicon carbide semiconductor device and process for manufacturing same | Yuichi Takeuchi, Takeshi Miyajima, Hiroo Fuma, Toshio Murata, Takamasa Suzuki +1 more | 2000-10-17 |
| 6072240 | Semiconductor chip package | Tomonori Kimura, Fumio Ohara, Masahito Mizukoshi | 2000-06-06 |
| 6020600 | Silicon carbide semiconductor device with trench | Takeshi Miyajima, Kazukuni Hara, Hiroo Fuma | 2000-02-01 |
| 6015737 | Production method of a vertical type MOSFET | Shigeki Takahashi, Tsuyoshi Yamamoto, Mitsuhiro Kataoka | 2000-01-18 |
| 5976936 | Silicon carbide semiconductor device | Takeshi Miyajima, Kazukuni Hara, Hiroo Fuma | 1999-11-02 |
| 5973338 | Insulated gate type bipolar-transistor | Naoto Okabe, Naohito Kato | 1999-10-26 |
| 5915180 | Process for producing a semiconductor device having a single thermal oxidizing step | Kazukuni Hara, Takeshi Miyajima, Hiroo Fuma, Hiroyuki Kano | 1999-06-22 |
| 5780324 | Method of manufacturing a vertical semiconductor device | Shigeki Takahashi, Tsuyoshi Yamamoto, Mitsuhiro Kataoka, Kunihiko Hara | 1998-07-14 |
| 5780953 | Alternator | Atsushi Umeda, Hirohide Sato, Makoto Taniguchi, Shin Kusase | 1998-07-14 |
| 5776812 | Manufacturing method of semiconductor device | Shigeki Takahashi, Mitsuhiro Kataoka, Tsuyoshi Yamamoto, Yuuchi Takeuchi | 1998-07-07 |
| 5753943 | Insulated gate type field effect transistor and method of manufacturing the same | Naoto Okabe, Makio Iida | 1998-05-19 |
| 5744826 | Silicon carbide semiconductor device and process for its production | Yuichi Takeuchi, Takeshi Miyajima, Hiroo Fuma, Toshio Murata | 1998-04-28 |
| 5723376 | Method of manufacturing SiC semiconductor device having double oxide film formation to reduce film defects | Yuuichi Takeuchi, Takeshi Miyajima, Kazukuni Hara | 1998-03-03 |
| 5708352 | A.C. Generator for vehicles | Atsushi Umeda, Masatoshi Togawa, Junji Kawai, Hirohide Sato | 1998-01-13 |
| 5698880 | Semiconductor device having a groove with a curved part formed on its side surface | Shigeki Takahashi, Mitsuhiro Kataoka, Tsuyoshi Yamamoto, Yuuichi Takeuchi | 1997-12-16 |
| 5696396 | Semiconductor device including vertical MOSFET structure with suppressed parasitic diode operation | Kunihiko Hara, Takeshi Miyajima | 1997-12-09 |
| 5654560 | Semiconductor device with current detecting function and method of producing the same | Toshiaki Nishizawa, Akira Kuroyanagi, Tsuyoshi Yamamoto | 1997-08-05 |
| 5608616 | Power converter | Atsushi Umeda, Hirohide Sato | 1997-03-04 |
| 5543703 | Generator motor for vehicles | Shin Kusase, Kenzo Mitani, Atsushi Umeda, Hirohide Sato | 1996-08-06 |
| 5519245 | Insulated gate bipolar transistor with reverse conducting current | Naoto Okabe, Naohito Kato | 1996-05-21 |
| 5504360 | Vertical type semiconductor device provided with an improved construction to greatly decrease device on-resistance without impairing breakdown | Kunihiko Hara | 1996-04-02 |
| 5460985 | Production method of a verticle type MOSFET | Shigeki Takahashi | 1995-10-24 |
| 5453390 | Method of producing semiconductor device with current detecting function | Toshiaki Nishizawa, Akira Kuroyanagi, Tsuyoshi Yamamoto | 1995-09-26 |