Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868709 | Electromagnetic drive circuit | — | 1989-09-19 |
| 4866564 | Electromagnetic drive circuit | — | 1989-09-12 |
| 4849747 | Display data transfer control apparatus applicable for display unit | Shinji Ogawa, Haruhiko Tsuchiya, Tsutomu Araki, Hiroshi Yamamoto | 1989-07-18 |
| 4837564 | Display control apparatus employing bit map method | Shinji Ogawa, Haruhiko Tsuchiya, Tsutomu Araki, Hiroshi Yamamoto | 1989-06-06 |
| 4827251 | Display control system with control of background luminance or color data | Kenichi Naka | 1989-05-02 |
| 4825332 | Electromagnetic driving circuit | — | 1989-04-25 |