Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331967 | Field effects semiconductor devices | Katsuhiko Kurumada, Yasunobu Ishii | 1982-05-25 |
| 4327475 | Method of manufacturing a FET device disposed in a compound s/c layer on a semi-insulating substrate | Yasunobu Ishii, Katsuhiko Kurumada | 1982-05-04 |