Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8559853 | Image forming apparatus with different pressing forces between image carriers and developer carriers | — | 2013-10-15 |
| 8295756 | Image forming apparatus | — | 2012-10-23 |
| 7865096 | Image forming apparatus and method of performing density correction | — | 2011-01-04 |
| 7706729 | Developing device with paddle member and image forming apparatus | — | 2010-04-27 |
| 7006777 | Toner reservoir, process cartridge, and image forming apparatus | Masayuki Suzuki | 2006-02-28 |
| 6546216 | Toner supplying unit for a developing apparatus | Fumito Mizoguchi, Kiyoshi Morimoto, Hisashi Kunihiro, Takeshi Wakabayashi, Hiroshi Tanizawa | 2003-04-08 |
| 5769409 | Paper regulating mechanism and paper cassette | Yasuhiro Nakamatsu, Masao Otsuka, Fumio Hatanaka | 1998-06-23 |
| 5586757 | Paper regulating mechanism and paper cassette | Yasuhiro Nakamatsu, Masao Otsuka, Fumio Hatanaka | 1996-12-24 |
| 5353099 | Drive device in an image-forming machine | — | 1994-10-04 |
| 5220387 | Transfer unit of an image forming apparatus | Atsushi KANOU, Toshiyuki Osaka, Toshinobu Katafuchi, Syuji Yamada, Naoki Mizutani | 1993-06-15 |
| 5195740 | Nipping device of a transfer unit | Atsushi KANOU, Toshiyuki Osaka, Toshinobu Katafuchi, Syuji Yamada, Hiroyoshi Omuras | 1993-03-23 |
| 4862218 | Support and adjusting apparatus for an optical unit | Kikunosuke Tsuji, Akira Nakakuma, Tetsuya Matsushita | 1989-08-29 |
| 4801975 | Eraser lamp and transparent guide plate in electrostatic image transfer | Atsushi Kano, Toshio Watanabe, Haruo Yamamoto, Katsuhide Yamaguchi, Kenji Oda +1 more | 1989-01-31 |
| 4728988 | Driving apparatus for optical systems of photocopier | Eiji Tsutsui | 1988-03-01 |
| 4710017 | Optical unit holding device for copying machines | Toshio Watanabe, Eiji Tsutsui | 1987-12-01 |
| 4678178 | Sheet material conveying device | Kazunori Akiyama, Satoshi Tanaka | 1987-07-07 |