Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374835 | Field effect transistor using compound semiconductor | Mayumi Kamura, Tatsuo Akiyama | 1994-12-20 |
| 5229323 | Method for manufacturing a semiconductor device with Schottky electrodes | Tatsuo Akiyama, Yutaka Koshino | 1993-07-20 |
| 5049954 | GaAs field effect semiconductor device having Schottky gate structure | Tatsuo Akiyama, Yutaka Koshino | 1991-09-17 |
| 4700455 | Method of fabricating Schottky gate-type GaAs field effect transistor | Tatsuo Akiyama, Yutaka Koshino | 1987-10-20 |