Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057864 | Apparatus for controlling the quantity of light of a copying apparatus | Susumu Usami, Masatoshi Ishiwata | 1991-10-15 |
| 4753498 | Optical reader | Hiroshi Saitoh, Hiromitsu Okada, Hironobu Watanabe, Hiroshi Watanabe, Michio Waki +3 more | 1988-06-28 |