Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888561 | Amplifier and display using the former | Ryushi Shimokawa, Seiichi Ueda, Kenkichi Yamashita, Kazuo Kato, Hideo Sato | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888561 | Amplifier and display using the former | Ryushi Shimokawa, Seiichi Ueda, Kenkichi Yamashita, Kazuo Kato, Hideo Sato | 1989-12-19 |