Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229806 | Multi-point range finding device | — | 1993-07-20 |
| 5121153 | Automatic focusing device | Masatoshi Yamada | 1992-06-09 |
| 4878080 | Camera zoom lens automatic magnification apparatus | Osamu Murayama, Hideaki Nakajima, Masatoshi Yamada, Makoto Hamada | 1989-10-31 |
| 4740806 | Range finding device | — | 1988-04-26 |