Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839637 | Method of driving gas-discharge panel | Shigeo Mikoshiba, Takahiro Matsumoto | 1989-06-13 |
| 4799058 | Driving apparatus for a gas discharge display panel | Yukio Okamoto, Kenkichi Suzuki, Akihiko Kougami | 1989-01-17 |