Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7684717 | Image forming apparatus and image forming method | Takao Izumi | 2010-03-23 |
| 7558522 | Image forming apparatus having toner cleaner and toner cleaning method | Kazufumi Ishida | 2009-07-07 |
| 7496306 | Cleaning method for transfer device of image forming apparatus | Takao Izumi | 2009-02-24 |
| 6711368 | Image forming apparatus designed to prevent curling of a cleaning blade | — | 2004-03-23 |
| 6650859 | Color image forming apparatus having a plurality of developing units | — | 2003-11-18 |
| 6524695 | Conductive blade | Gouki Sasagawa, Tetsuya Nakamura | 2003-02-25 |
| 6516175 | Color image forming apparatus and developing method for color image forming apparatus | — | 2003-02-04 |
| 6483034 | Blade | Gouki Sasagawa | 2002-11-19 |
| 6411788 | Image forming apparatus with air flow regulator | — | 2002-06-25 |
| 6376594 | Conductive member | Gouki Sasagawa, Tetsuya Nakamura | 2002-04-23 |
| 6340515 | Conductive member | Gouki Sasagawa, Tetsuya Nakamura | 2002-01-22 |
| 5682582 | Process unit of image forming apparatus | Yoshitsugu Nakatomi | 1997-10-28 |
| 5486906 | Contact charger and image forming apparatus comprising the same | Kenichi Tsuneeda, Sachiko Yoshida | 1996-01-23 |
| 5168293 | Image forming apparatus | Yoshitsugu Nakatomi | 1992-12-01 |