Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890096 | Coordinate input device with display | Tsuguya Yamanami | 1989-12-26 |
| 4845478 | Coordinate input device with display | Tsuguya Yamanami | 1989-07-04 |
| 4832144 | Position detector | Azuma Murakami, Kenichi Takahashi, Takeshi Tanaka, Yoshiaki Tomofuji | 1989-05-23 |