Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027613 | Developing device, process cartridge, and image forming apparatus | Yuichi Matsushita, Mitsuru Horinoe, Hiroki Mori | 2011-09-27 |
| 7925180 | Image forming apparatus, image formation process unit, and developing unit | Hiroki Mori, Mitsuru Horinoe, Yuichi Matsushita | 2011-04-12 |
| 7899356 | Developing device, image carrier device, and image forming apparatus | Hiroki Mori, Mitsuru Horinoe, Yuichi Matsushita, Fan Xu | 2011-03-01 |
| 7764901 | Developing device, image carrier device, and image forming apparatus | Hiroki Mori, Mitsuru Horinoe, Yuichi Matsushita, Fan Xu | 2010-07-27 |
| 7706715 | Image forming apparatus and developer cartridge | Hiroki Mori, Mitsuru Horinoe, Yuichi Matsushita, Fan Xu | 2010-04-27 |
| 7680430 | Developing apparatus, process cartridge, developer cartridge, and image forming apparatus including leakage preventing member | Hiroki Mori, Masahiro Ishii, Mitsuru Horinoe, Yuichi Matsushita | 2010-03-16 |
| 7672611 | Developer cartridge and image forming apparatus | — | 2010-03-02 |
| 7630666 | Developing device having a side seal member located between a developing roller and a case main body | Mitsuru Horinoe, Hiroki Mori, Yuichi Matsushita | 2009-12-08 |
| 7627264 | Developing device and image forming apparatus | Yuichi Matsushita, Hiroki Mori, Fan Xu, Isao Kishi, Masahiro Ishii +1 more | 2009-12-01 |
| 7623815 | Developing device and image forming apparatus | Hiroki Mori, Yuichi Matsushita, Fan Xu, Mitsuru Horinoe | 2009-11-24 |
| 7457560 | Developing device | Mitsuru Horinoe, Hiroki Mori, Yuichi Matsushita | 2008-11-25 |
| 7450889 | Image forming apparatus including developing units each having an agitation member | Tomoaki Hattori | 2008-11-11 |
| 7400843 | Color image forming apparatus | — | 2008-07-15 |
| 7395019 | Image forming apparatus including units for recovering developing agent adhering to developing agent carriers | Tomoaki Hattori | 2008-07-01 |
| 7395018 | Image forming apparatus including units for recovering developing agent adhering to developing agent carriers | Tomoaki Hattori | 2008-07-01 |
| 7336913 | Developing apparatus, process cartridge and image forming apparatus for preventing leakage | Fumikazu Sato, Masahiro Ishii, Hiroya Fukuta, Nao Itabashi, Isao Kishi +1 more | 2008-02-26 |
| 7308214 | Image forming apparatus including units for recovering developing agent adhering to developing agent carriers | Tomoaki Hattori | 2007-12-11 |