Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853612 | RF power control circuit | — | 1989-08-01 |
| 4814938 | High voltage capacitor | Hajime Arakawa, Osamu Yamaoka, Kunio Okumura, Kanichi Morishita | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853612 | RF power control circuit | — | 1989-08-01 |
| 4814938 | High voltage capacitor | Hajime Arakawa, Osamu Yamaoka, Kunio Okumura, Kanichi Morishita | 1989-03-21 |