Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9465356 | Image forming apparatus with opening for positioning or regulating a supporting member that supports an image bearing member | Koji Yamaguchi | 2016-10-11 |
| 8322705 | Image forming apparatus | Kazushi Nishikata, Kei Sawanaka | 2012-12-04 |
| 8121519 | Process cartridge having cartridge positioning portion and image forming apparatus mounting said process cartridge | Koji Yamaguchi | 2012-02-21 |
| 7792460 | Process cartridge having cartridge positioning portion and image forming apparatus mounting said process cartridge | Koji Yamaguchi | 2010-09-07 |
| 7519310 | Process cartridge having cartridge positioning portion and movable member and image forming apparatus mounting said process cartridge | Koji Yamaguchi | 2009-04-14 |
| 7184687 | Process cartridge mountable to image forming apparatus having positioning portion to engage a member of the apparatus and having member to contact urging member of the apparatus and such image forming apparatus | Koji Yamaguchi | 2007-02-27 |