Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8849154 | Casing projections of an image forming apparatus configured to support a seal of a developing device | Fran Xu, Takashi Yasuda | 2014-09-30 |
| 8620176 | Casing projections of an image forming apparatus configured to support a seal of a developing device | Fan Xu, Takashi Yasuda | 2013-12-31 |
| 8606139 | Development device having a seal member and an elastic member and image forming device having the same | Fan Xu, Takashi Yasuda | 2013-12-10 |
| 8521057 | Developing device having seal member including base member and surface member having side surface disposed inward from side surface of base material | Yuichi Matsushita, Fan Xu, Takashi Yasuda | 2013-08-27 |
| 8478158 | Developing device | Yuichi Matsushita, Fan Xu, Takashi Yasuda | 2013-07-02 |
| 8320793 | Development device and printer having the same | Fan Xu, Takashi Yasuda | 2012-11-27 |
| 8301056 | Developing device | Yuichi Matsushita, Fan Xu, Takashi Yasuda | 2012-10-30 |
| 8229317 | Developing unit and side seal member | Fan Xu | 2012-07-24 |
| 8086134 | Developing unit including side seal member between end of developer carrier and housing | Fan Xu | 2011-12-27 |
| 8027613 | Developing device, process cartridge, and image forming apparatus | Yuichi Matsushita, Yukiko Nakaya, Hiroki Mori | 2011-09-27 |
| 7925180 | Image forming apparatus, image formation process unit, and developing unit | Hiroki Mori, Yukiko Nakaya, Yuichi Matsushita | 2011-04-12 |
| 7899356 | Developing device, image carrier device, and image forming apparatus | Hiroki Mori, Yuichi Matsushita, Yukiko Nakaya, Fan Xu | 2011-03-01 |
| 7764901 | Developing device, image carrier device, and image forming apparatus | Hiroki Mori, Yukiko Nakaya, Yuichi Matsushita, Fan Xu | 2010-07-27 |
| 7706715 | Image forming apparatus and developer cartridge | Hiroki Mori, Yukiko Nakaya, 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, Yukiko Nakaya, Yuichi Matsushita | 2010-03-16 |
| 7639969 | Developing device reducing toner pressure on supply roller and image forming apparatus using same | Shougo Sato | 2009-12-29 |
| 7630666 | Developing device having a side seal member located between a developing roller and a case main body | Yukiko Nakaya, Hiroki Mori, Yuichi Matsushita | 2009-12-08 |
| 7627264 | Developing device and image forming apparatus | Yuichi Matsushita, Hiroki Mori, Yukiko Nakaya, Fan Xu, Isao Kishi +1 more | 2009-12-01 |
| 7623815 | Developing device and image forming apparatus | Hiroki Mori, Yuichi Matsushita, Yukiko Nakaya, Fan Xu | 2009-11-24 |
| 7570891 | Developing cartridge, image carrier cartridge, process cartridge, and image forming apparatus | — | 2009-08-04 |
| 7486905 | Developer cartridge including developer filling port cap and recycling method thereof | Soichiro Nishimura, Masatoshi Sakaguchi, Fumikazu Sato | 2009-02-03 |
| 7457560 | Developing device | Yukiko Nakaya, Hiroki Mori, Yuichi Matsushita | 2008-11-25 |
| 7263300 | Image forming device that provides status of developer | Masahiro Ishii, Koji Aoyama | 2007-08-28 |
| 7209691 | Developing device and image forming apparatus | Keisuke Takahashi | 2007-04-24 |
| 7146121 | Process unit, photoconductive unit, developing unit, and image forming apparatus | Masahiro Ishii, Isao Kishi, Takeshi Fuwazaki, Satoru Ishikawa | 2006-12-05 |