Issued Patents 1997
Showing 1–1 of 1 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, Shigeo Otaka, Tetsuo Iijima, Harutora Shono +2 more | 1997-06-24 |