Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293197 | Image forming device capable of being maintained easily by using IC card | — | 1994-03-08 |
| 4916481 | Copying apparatus with original document positioning and guiding arrangement | — | 1990-04-10 |
| 4473290 | Toner image fixing device | — | 1984-09-25 |
| 4397936 | Method of fixing developed electrophotographic images uses oil absorbing smoothing roller | Toshio Sakata, Shinji Takiguchi | 1983-08-09 |
| 4352551 | Electrophotographic fixing device | — | 1982-10-05 |
| 4285295 | Fixing device for electrophotographic copying machines | Shinji Takiguchi, Toshio Sakata | 1981-08-25 |
| 4268163 | Paper feeding device for a copying machine | Yasuhiko Doi, Takaharu Takagishi | 1981-05-19 |
| 4248523 | Electrophotographic copying apparatus equipped with improved copy paper cutting arrangement | Yasuhiko Doi, Shigemitsu Shimizu, Toshio Matsui, Yoshihisa Kawai, Yutaka Irie +1 more | 1981-02-03 |