Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374835 | Field effect transistor using compound semiconductor | Kizashi Shimada, Tatsuo Akiyama | 1994-12-20 |
| 5260603 | Electrode structure of semiconductor device for use in GaAs compound substrate | Souichi Imamura, Tatsuo Akiyama | 1993-11-09 |