Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873828 | Compound semiconductor switching device for high frequency switching | Tetsuro Asano, Koichi Hirata | 2005-03-29 |
| 6867115 | Compound semiconductor device | Tetsuro Asano, Toshikazu Hirai, Koichi Hirata, Mikito Sakakibara | 2005-03-15 |
| 6580107 | Compound semiconductor device with depletion layer stop region | Tetsuro Asano, Toshikazu Hirai, Koichi Hirata, Mikito Sakakibara | 2003-06-17 |
| 5614814 | Negative voltage genarating circuit | Masao Nishida, Yasoo Harada | 1997-03-25 |
| 5557141 | Method of doping, semiconductor device, and method of fabricating semiconductor device | Yasoo Harada, Shigeharu Matsushita, Satoshi Terada, Emi Fujii, Takashi Kurose +4 more | 1996-09-17 |
| 5350709 | Method of doping a group III-V compound semiconductor | Yasoo Harada, Shigeharu Matsushita, Satoshi Terada, Emi Fujii, Takashi Kurose +4 more | 1994-09-27 |
| 5324969 | High-breakdown voltage field-effect transistor | Shigeyuki Murai, Masao Nishida | 1994-06-28 |