Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839703 | High speed and power transistor | Keiichi Ohata, Masaki Ogawa | 1989-06-13 |
| 4807001 | Heterojunction field-effect device | — | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839703 | High speed and power transistor | Keiichi Ohata, Masaki Ogawa | 1989-06-13 |
| 4807001 | Heterojunction field-effect device | — | 1989-02-21 |