Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9541887 | Cleaning blade, process cartridge, and electrophotographic apparatus | Masanobu Nakajima, Norihiko Kubo, Masaya Kawada, Kenji Karashima | 2017-01-10 |
| 8600282 | Image forming apparatus | — | 2013-12-03 |
| 7542694 | Image forming method with image flow suppression feature | — | 2009-06-02 |
| 7212778 | Cleaning apparatus for image forming apparatus | — | 2007-05-01 |
| 7103295 | Image forming apparatus supplying toner efficiently to cleaning means cleaning surface of image bearing member | Keizo Takura, Hiroyuki Kidaka, Koji Arimura, Makoto Oki | 2006-09-05 |
| 7024127 | Image forming apparatus including a cleaning member featuring a changeable abutting pressure | — | 2006-04-04 |
| 6963703 | Image forming apparatus with changeable-pressure cleaning member | — | 2005-11-08 |
| 6963709 | Charging apparatus having auxiliary charger rubbing against image bearing member | Tadayoshi Nishihama, Tokihiko Ogura | 2005-11-08 |
| 6847797 | Charging apparatus having auxiliary charger rubbing against image bearing member | Tadayoshi Nishihama, Tokihiko Ogura | 2005-01-25 |
| 6560427 | Electrophotographic image forming apparatus | Norihiko Kubo, Yuji Nakayama | 2003-05-06 |
| 6473589 | Cleaning device and image forming apparatus using the same | — | 2002-10-29 |
| 6377779 | Image forming apparatus with a friction coefficient between an image bearing member and a cleaning blade being maintained | — | 2002-04-23 |
| 6311037 | Image-bearing member cleaning method and electrophotographic image forming apparatus | Yuji Nakayama, Norihiko Kubo | 2001-10-30 |