Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834173 | Image-forming-apparatus process cartridge having a locking portion to prevent the cartridge from disengaging from the image forming apparatus and an image forming apparatus mounting such a cartridge | Koji Yamaguchi, Kazuhiko Kanno | 2004-12-21 |
| 6826380 | Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus | Toshiyuki Karakama, Shinji Goto, Hironobu Isobe, Shinya Noda, Fumito Nonaka +1 more | 2004-11-30 |
| 6735403 | IMAGE FORMING APPARATUS TO WHICH A DEVELOPING CARTRIDGE OR PROCESS CARTRIDGE ARE DETACHABLY MOUNTABLE COMPRISING DRIVING CONTROL MEANS FOR PERMITTING AND PREVENTING TRANSMISSION OF A DRIVING FORCE TO A WINDING MEMBER | Kazuhiko Kanno, Kouji Hashimoto, Tachio Kawai | 2004-05-11 |