Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7692804 | Image forming apparatus, cartridge, and storing device mounted to the cartridge | Norihito Naito, Hideaki Hasegawa, Nobuo Oshima | 2010-04-06 |
| 7639956 | Image forming apparatus, cartridge, and storing device mounted to the cartridge | Norihito Naito, Kazumi Yamauchi, Hideaki Hasegawa, Nobuo Oshima | 2009-12-29 |
| 7003249 | Developing apparatus including agitating member | Hideaki Hasegawa, Kazumi Yamauchi, Yoshihiro Ogawa, Norihito Naito, Nobuo Oshima | 2006-02-21 |
| 6963714 | Developing blade and device and process cartridge | Kazumi Yamauchi, Norihito Naito, Hideaki Hasegawa, Nobuo Oshima | 2005-11-08 |
| 6944410 | Image forming apparatus and method of sensing amount of remaining developer in image forming apparatus | Norihito Naito, Kazumi Yamauchi, Hideaki Hasegawa, Nobuo Oshima | 2005-09-13 |
| 6804480 | Image forming apparatus provided with a cleaning blade | — | 2004-10-12 |
| 6621989 | Image forming apparatus and a unit detachably mountable on an image forming apparatus comprising means for detecting the amount of developer contained in a developer container | Takashi Hibi | 2003-09-16 |
| 6615001 | Cartridge, image forming apparatus and method of controlling the image forming apparatus | Takashi Hibi | 2003-09-02 |
| 6349184 | Process cartridge with toner amount detector having different patterns according to fill amount | — | 2002-02-19 |