Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7340195 | Image forming apparatus having a scattered toner sucking port | Kanehiro Watanabe, Yasushi Koshimura | 2008-03-04 |
| 7079785 | Image developing apparatus to develop a latent image in a developing area on an image bearing member | Yasushi Koshimura, Kanehiro Watanabe, Takayuki Horie | 2006-07-18 |
| 7043172 | Image forming apparatus | Yasushi Koshimura, Kanehiro Watanabe | 2006-05-09 |
| 6591075 | Cleaning method of toner image carrying body, cleaning device of the toner image carrying body and image forming apparatus equipped therewith | Atsushi Ogane, Junichi Hamada, Yukiko Omori, Mitsugu Nemoto, Kazuhiko Sato | 2003-07-08 |
| 6580897 | Cleaning device, and image forming method and image forming apparatus using the cleaning device | Kazuhiko Sato | 2003-06-17 |
| 4974031 | Toner collecting device | Takayoshi Hashimoto, Toshio Shida | 1990-11-27 |
| 4819578 | Toner collecting device | Takayoshi Hashimoto, Toshio Shida | 1989-04-11 |
| 4433904 | Electrophotographic copying machine | Isao Ikemoto, Akihiko Tamura, Tsugio Hirabayashi | 1984-02-28 |
| 4403852 | Developer recovering device for electrostatic image reproducing system | Tsugio Hirabayashi | 1983-09-13 |
| 4395114 | Toner recovery device | Hiroaki Ura, Tsugio Hirabayashi | 1983-07-26 |
| 4375327 | Roller fixing device | Kenichi Matsumoto, Hiroaki Ura, Tamio Ogino | 1983-03-01 |
| 4360944 | Toner transporting device for an electrostatic recording apparatus | Fumio Iwai, Tsugio Hirabayashi, Hiroaki Ura | 1982-11-30 |
| 4357097 | Electrostatic recording apparatus having a toner recovering device | — | 1982-11-02 |
| 4354763 | Dry-type developing device | Akihiko Tamura, Isao Ikemoto | 1982-10-19 |
| 4300757 | Apparatus for receiving recording sheets in upset state for copying machine | Hiroko Ito | 1981-11-17 |
| 4218132 | Drum cleaning apparatus for electrophotographic copying machine | Fumio Iwai, Masakazu Kokiso, Tamio Ogino | 1980-08-19 |
| 4211484 | Drum cleaning blade for image transfer type electrophotographic copying machine | Fumio Iwai, Masakazu Kokiso, Tamio Ogino | 1980-07-08 |