Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7016626 | Electrophotographic photosensitive drum having caulked flanges, process cartridge having such a drum, and image forming apparatus having such a process cartridge | Kanji Yokomori, Kojiro Yasui | 2006-03-21 |
| 6968142 | Process cartridge and image forming apparatus | Takeshi Arimitsu, Hideki Maeshima | 2005-11-22 |
| 6947686 | Process cartridge and spacer for same | Takeshi Arimitsu, Hideki Maeshima | 2005-09-20 |
| 6738588 | Image forming apparatus and process cartridge detachably attachable to the same | Kanji Yokomori | 2004-05-18 |
| 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, Tatsuya Shiratori, Kouji Hashimoto | 2004-05-11 |
| D474497 | Image forming apparatus | Kanji Yokomori, Jun Miyamoto, Tadashi Horikawa, Takeshi Arimitsu, Koji Hashimoto +1 more | 2003-05-13 |
| D474232 | Image forming apparatus | Kanji Yokomori, Jun Miyamoto, Tadashi Horikawa, Takeshi Arimitsu, Koji Hashimoto +1 more | 2003-05-06 |
| 6560422 | DEVELOPMENT CARTRIDGE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND TONER SEAL MEMBER FOR UNSEALING AN OPENING FOR SUPPLYING DEVELOPER BY AUTOMATICALLY WINDING UP THE TONER SEAL MEMBER | Kazuhiko Kanno, Tatsuya Shiratori, Kouji Hashimoto | 2003-05-06 |
| 6496667 | Cartridge detachably attachable to image forming apparatus | Tatsuya Shiratori, Koji Hashimoto, Kazuhiko Kanno | 2002-12-17 |
| 6480687 | Process cartridge, handle attaching method and electrophotographic image forming apparatus | Kanji Yokomori | 2002-11-12 |
| 6463232 | Handle, process cartridge, handle attaching method and electrophotographic image forming apparatus | Kanji Yokomori | 2002-10-08 |
| 6445893 | Method of reattaching a toner seal | Koji Hashimoto, Tatsuya Shiratori, Kazuhiko Kanno | 2002-09-03 |
| 6438347 | DEVELOPING DEVICE FEATURING A CONTROL MEMBER HAVING A CENTER PORTION WIDTH WIDER THAN END PORTIONS WIDTH IN A LONGITUDINAL DIRECTION THEREOF FOR CONTROLLING DEVELOPER THICKNESS AND METHOD FOR USING SAME | Susumu Nittani, Kanji Yokomori, Shigeo Miyabe | 2002-08-20 |
| 6381430 | Assembling and disassembling methods for developing cartridge | Kanji Yokomori, Kazuhiko Kanno | 2002-04-30 |
| 6282395 | Developing device and process cartridge | Susumu Nittani, Kanji Yokomori, Shigeo Miyabe | 2001-08-28 |
| 6181897 | Developing apparatus | — | 2001-01-30 |
| 6115567 | Support part, developer container, process cartridge and electrophotographic image forming apparatus | Hideki Sato | 2000-09-05 |
| 6070027 | Developing apparatus with auxiliary seal disposed outside of end seal | Susumu Nittani | 2000-05-30 |
| 6061535 | Developing cartridge, for a revolver type developing device, with sensing means for sensing the remaining toner | Kanji Yokomori, Kazuhiko Kanno | 2000-05-09 |
| 6055406 | Cleaning frame, cleaning device, process cartridge and electrophotographic image forming apparatus with segregated waste toner container | Jun Miyamoto, Kanji Yokomori, Kouji Miura, Takeshi Arimitsu | 2000-04-25 |
| 6047150 | Developing cartridge having cover member | Kazuhiko Kanno, Susumu Nittani | 2000-04-04 |
| 6002898 | Developing cartridge and image forming apparatus | Kanji Yokomori, Kazuhiko Kanno | 1999-12-14 |
| 5887227 | Developing device | Jun Miyamoto, Kanji Yokomori, Koji Miura, Kazuhiko Kanno, Takeshi Arimitsu +1 more | 1999-03-23 |