Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642252 | Insulated gate semiconductor device and driving circuit device and electronic system both using the same | Kozo Sakamoto, Isao Yoshida, Tetsuo Iijima, Harutora Shono, Ken Uchid +2 more | 1997-06-24 |
| 5629542 | Compounded power MOSFET | Kozo Sakamoto, Kyouichi Takagawa | 1997-05-13 |