Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939614 | Silicon-containing curing composition and heat cured product thereof | Takashi Sueyoshi, Ken-ichiro Hiwatari, Tadashi Janado, Yoshikazu Shoji | 2011-05-10 |
| 7772594 | High-heat-resistive semiconductor device | Yoshikazu Shoji | 2010-08-10 |
| 7768017 | Silicon carbide semiconductor device and manufacturing method therefor | Koji Nakayama, Katsunori Asano, Hidekazu Tsuchida, Isaho Kamata, Toshiyuki Miyanagi +1 more | 2010-08-03 |
| 7626232 | Voltage-controlled semiconductor device | Katsunori Asano | 2009-12-01 |
| 7570502 | Inverter apparatus comprising switching elements | Katsunori Asano, Mitsuru Matsukawa, Yoshifumi Minowa, Toshihiko Shikata | 2009-08-04 |
| 7554114 | High-heat-resistant semiconductor device | — | 2009-06-30 |
| 7554220 | Stable power supplying apparatus | — | 2009-06-30 |
| 7544970 | Semiconductor device and method of producing the same, and power conversion apparatus incorporating this semiconductor device | — | 2009-06-09 |
| 7488973 | High-heat-resistant semiconductor device | — | 2009-02-10 |
| 7482237 | Semiconductor device and method of producing the same, and power conversion apparatus incorporating this semiconductor device | — | 2009-01-27 |
| 7470960 | High-voltage power semiconductor device with body regions of alternating conductivity and decreasing thickness | — | 2008-12-30 |
| 7462886 | Semiconductor device and method of producing the same, and power conversion apparatus incorporating this semiconductor device | — | 2008-12-09 |
| 7462888 | Semiconductor device and method of producing the same, and power conversion apparatus incorporating this semiconductor device | — | 2008-12-09 |
| 6600192 | Vertical field-effect semiconductor device with buried gate region | Katsunori Asano | 2003-07-29 |
| 6342709 | Insulated gate semiconductor device | Katsunori Asano | 2002-01-29 |
| 5977606 | Dielectric isolated high voltage semiconductor device | Naoki Sakurai | 1999-11-02 |
| 5777865 | Power conversion apparatus and its controlling method | Minehiro Nemoto, Hideki Miyazaki | 1998-07-07 |
| 5747829 | Dielectric isolated high voltage semiconductor device | Naoki Sakurai | 1998-05-05 |
| 5719420 | Insulated gate type semiconductor device having built-in protection circuit | Yasuhiko Kohno | 1998-02-17 |
| 5631494 | Power semiconductor device with low on-state voltage | Naoki Sakurai | 1997-05-20 |
| 5608236 | Semiconductor device | Hidetoshi Arakawa, Masamitsu Inaba | 1997-03-04 |
| 5572048 | Voltage-driven type semiconductor device | — | 1996-11-05 |
| 5563435 | Insulated gate type semiconductor device having built-in protection circuit | Yasuhiko Kohno | 1996-10-08 |
| 5552625 | Semiconductor device having a semi-insulating layer | Susumu Murakami, Takuya Fukuda, Yoshiteru Shimizu | 1996-09-03 |
| 5463243 | Dielectric isolated high voltage semiconductor device | Naoki Sakurai | 1995-10-31 |