Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10969770 | Inspection information prediction apparatus, inspection apparatus, and non-transitory computer readable medium storing inspection information prediction program | Nobuhide INABA, Shuhei Kobayakawa, Masafumi Kudo | 2021-04-06 |
| 8244161 | Developing apparatus | Takao Izumi, Hiroshi Murata | 2012-08-14 |
| 8238798 | Developing device and developing method for image forming apparatus | Takao Izumi, Hiroshi Murata | 2012-08-07 |
| 8195071 | Developing device | Minoru Yoshida, Takao Izumi, Hiroshi Murata | 2012-06-05 |
| 8131186 | Developing device | Minoru Yoshida, Takao Izumi, Hiroshi Murata | 2012-03-06 |
| 8112017 | Developing unit and developer stirring and transporting method | Hiroshi Murata | 2012-02-07 |
| 8099002 | Developing device of image forming apparatus using a toner and carrier mixture | Takao Izumi, Hiroshi Murata, Minoru Yoshida | 2012-01-17 |
| 8045897 | Developing device | Takao Izumi, Minoru Yoshida, Hiroshi Murata | 2011-10-25 |
| 8005405 | Developing unit and developer stirring and transporting method | Hiroshi Murata | 2011-08-23 |
| 8000637 | Supplying and discharging developer in an image forming apparatus, process cartridge and developing device | Takao Izumi, Hiroshi Murata | 2011-08-16 |
| 7831181 | Developing device | Minoru Yoshida, Takao Izumi, Hiroshi Murata | 2010-11-09 |
| 7783228 | Developing unit and developer stirring/transporting method | Hiroshi Murata | 2010-08-24 |
| 7764908 | Developing unit and developer stirring and transporting method | Hiroshi Murata | 2010-07-27 |
| 7689147 | Developing apparatus and developer collecting method | Hiroshi Murata | 2010-03-30 |
| 7650100 | Development apparatus, image forming apparatus, and developer transfer method | Hiroshi Murata, Minoru Yoshida | 2010-01-19 |
| 7627261 | Image forming apparatus and image forming method having control of cleaning depending on number of transferred images | Takeshi Watanabe, Masashi Takahashi, Shoko Shimmura | 2009-12-01 |
| 7426358 | Image forming apparatus and method having a cleanerless image forming unit | Minoru Yoshida, Takeshi Watanabe, Masashi Takahashi, Toshihiro Kasai, Shoko Shimmura | 2008-09-16 |
| 7383002 | Developing device, process cartridge and image forming apparatus | Hiroshi Murata, Takao Izumi | 2008-06-03 |
| 7349643 | Image forming apparatus and image forming method having a cleaner and a paper detecting unit | Takeshi Watanabe, Masashi Takahashi, Shoko Shimmura | 2008-03-25 |
| 7206523 | Color image forming apparatus and method using detachable process units | Takeshi Watanabe, Masashi Takahashi, Shoko Shimmura | 2007-04-17 |
| 7197267 | Image forming apparatus and control method using a two-component developer | Shoko Shimmura, Toshihiro Kasai, Minoru Yoshida, Takeshi Watanabe, Masashi Takahashi | 2007-03-27 |
| 6915093 | Image forming apparatus having a guide device for guiding a brush roller | — | 2005-07-05 |
| 6542714 | Image forming method and apparatus that uses an external sheet discharge tray for double-side copying | — | 2003-04-01 |
| 6424813 | Image forming apparatus having a developing roller and a developing device to minimize image carrier wear | — | 2002-07-23 |
| 5380394 | Image forming apparatus | Kunihiro Shibuya, Masashi Hiroki, Tadayoshi Ohno | 1995-01-10 |