Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179268 | Apparatus for detecting inclination of an optical card | Yoshihito Koshiba, Kazuo Tsuboi, Keiichi Tsutsui, Koji Sogo | 1993-01-12 |
| 5027339 | Optical card analyzing apparatus | Shigeru Yoda | 1991-06-25 |