Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212769 | Process cartridge and image forming apparatus | — | 2007-05-01 |
| 6871030 | Image forming apparatus | — | 2005-03-22 |
| 6813468 | Image forming device with a cleaning unit | Takeshi Takami | 2004-11-02 |
| 6763210 | Method of refilling used developing cartridge | Fumikazu Sato, Masatoshi Sakaguchi, Mitsuru Horinoe | 2004-07-13 |
| 6684038 | Image forming apparatus with an element for removing paper dust from photosensitive member | — | 2004-01-27 |
| 6650850 | Apparatus and method for cleaning residual toner from an image bearing member | — | 2003-11-18 |
| 6415119 | Paper powder collector, process cartridge and image forming apparatus | Takeshi Fuwazaki, Kazushi Fukuta | 2002-07-02 |
| 6304735 | Image forming apparatus having an electrically charged paper dust removing brush | Takeshi Fuwazaki | 2001-10-16 |
| 5612770 | Developing device with partition member of varying length | Yasuhito Bandai, Kazumasa Makino | 1997-03-18 |
| 5576814 | Developing unit using toner having a magnetic shield between the agitation chamber and a developing roller | Kazumasa Makino | 1996-11-19 |
| 5475478 | Developer unit and method of supplying developer | Eiji Tanaka | 1995-12-12 |
| 5383578 | Particle carrying device for carrying waste particles to a waste particle receptacle | — | 1995-01-24 |
| 5231453 | Image recording apparatus with rolled protective cover for process unit | Hitoshi Nakai, Yasushi Okabe, Shusaku Tsusaka | 1993-07-27 |
| 5231458 | Printer which utilizes previously used developer | — | 1993-07-27 |
| 5229824 | Developer material supplying device for integral type processing unit assembled in electrophotographic type image recording apparatus | Shusaku Tsusaka, Hitoshi Nakai, Yasushi Okabe | 1993-07-20 |