Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608501 | Development unit and toner cartridge for use in an image formation apparatus | — | 1997-03-04 |
| 5576814 | Developing unit using toner having a magnetic shield between the agitation chamber and a developing roller | Soichiro Nishimura | 1996-11-19 |
| 5066972 | Image forming apparatus with positional adjustment of exposure area according to image size | Osamu Nagata | 1991-11-19 |
| 4992823 | Image recording apparatus feasible for replacement of image recording medium | Tsuyoshi Suzuki, Osamu Nagata, Makoto Yamada, Toshio Sugiura, Eiji Shibata +1 more | 1991-02-12 |
| 4984009 | Imaging device having means to accurately superpose sheets in the developing process | Hideo Yoshihara, Michitoshi Akao, Kenji Sakakibara, Takeshi Izaki, Tokunori Katoh +3 more | 1991-01-08 |
| 4984016 | Cassette for photo-sensitive recording medium | Yumio Matsumoto | 1991-01-08 |
| 4970548 | Image recording apparatus | Eiji Shibata, Kazuhito Ishida | 1990-11-13 |
| 4958781 | Cassette for photo-sensistive recording medium | Masashi Ueda, Yumio Matsumoto, Akira Sago, Kiyoharu Hayakawa, Osamu Takagi | 1990-09-25 |
| 4942430 | Image recording apparatus having separated optical and developing units | Makoto Yamada, Osamu Nagata, Toshio Sugiura, Tsuyoshi Suzuki, Kazuhito Ishida +6 more | 1990-07-17 |
| 4893147 | Color picture image recording apparatus | Kazunori Tanabe, Makoto Suzuki, Eiji Shibata, Kazuhito Ishida, Takashi Nakata +4 more | 1990-01-09 |