Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117100 | Apparatus for and method of optical position detection | Shigeo Yoshida, Isamu Fujimoto, Hideyuki Suzuki, Hiroshi Asano, Takashi Onioh +3 more | 1992-05-26 |
| 4585940 | Optical detector | Kenichi Iyama | 1986-04-29 |