Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260720 | Image formation system | Yoichi Yamamoto, Frederic J. Kahn | 1993-11-09 |
| 5245438 | Image formation apparatus having selective erasing capability | Yoichi Yamamoto, Hirokazu Fujita | 1993-09-14 |
| 5170270 | Image writing device | Yoichi Yamamoto | 1992-12-08 |
| 5099273 | Image formation device | Yoichi Yamamoto | 1992-03-24 |
| 5077575 | Image forming apparatus equipped with a bucket for accommodating a photosensitive sheet cartridge | Tsuyoshi Takeno, Fumio Shimazu | 1991-12-31 |
| 4967409 | Network system of programmable controllers | Toshimi Kiyohara | 1990-10-30 |
| 4931860 | Image data composing system and process for storing both monochrome and polychrome image data | — | 1990-06-05 |
| 4896146 | Color image processor | — | 1990-01-23 |