Issued Patents All Time
Showing 26–50 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8559849 | Process cartridge and electrophotographic image forming apparatus | Tatsuya Suzuki, Hiroyuki Munetsugu | 2013-10-15 |
| 8503906 | Process cartridge and assembling, disassembling remanufacturing method therefor | Tatsuya Suzuki | 2013-08-06 |
| 8447209 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2013-05-21 |
| 8442416 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2013-05-14 |
| 8401424 | Process cartridge and assemblying, disassemblying remanufacturing method therefor | Tatsuya Suzuki | 2013-03-19 |
| 8335454 | Process cartridge and image forming apparatus | Tomonori Mori, Koji Hashimoto | 2012-12-18 |
| 8306460 | Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectively | Tomonori Mori, Koji Hashimoto | 2012-11-06 |
| 8165493 | Process cartridge and electrophotographic image forming apparatus | Hiroyuki Munetsugu | 2012-04-24 |
| 8160478 | Process cartridge and image forming apparatus | Hiroyuki Munetsugu | 2012-04-17 |
| 8116661 | Process cartridge with a coupling member and a retaining portion for the coupling member | Tomonori Mori, Koji Hashimoto | 2012-02-14 |
| 7899364 | Process cartridge having couplers transmitting driving forces from an image forming apparatus to electrophotographic photosensitive drum and developing roller and such an apparatus | Tomonori Mori, Koji Hashimoto | 2011-03-01 |
| D633137 | Process cartridge | Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta, Osamu Anan +3 more | 2011-02-22 |
| 7890025 | Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectively | Tomonori Mori, Koji Hashimoto | 2011-02-15 |
| D631091 | Process cartridge | Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta, Osamu Anan +3 more | 2011-01-18 |
| D631090 | Process cartridge | Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta, Osamu Anan +3 more | 2011-01-18 |
| D631089 | Process cartridge | Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta, Osamu Anan +3 more | 2011-01-18 |
| D631088 | Process cartridge | Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta, Osamu Anan +3 more | 2011-01-18 |
| 7689146 | Electrophotographic image forming apparatus and process cartridge | Masaaki Sato, Shigeo Miyabe | 2010-03-30 |
| 7570900 | Process cartridge receiving from an image forming apparatus into which it is mounted a downstream-moving force during mounting and such image forming apparatus | Shigeru Hoashi | 2009-08-04 |
| 7499663 | Electrophotographic image forming apparatus and process cartridge | Masaaki Sato, Shigeo Miyabe | 2009-03-03 |
| 7433622 | Process cartridge and electrophotographic image forming apparatus | Tamotsu Kaneko | 2008-10-07 |
| 7366445 | Image forming apparatus including a plurality of image bearing members having a speed variation suppression feature | Shigeru Hoashi | 2008-04-29 |
| 7184682 | Process cartridge and electrophotographic image forming apparatus | Tamotsu Kaneko | 2007-02-27 |
| 7136604 | Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus | Toshiyuki Karakama, Shigeo Miyabe, Yoshiyuki Batori, Koji Yamaguchi | 2006-11-14 |
| D528591 | Image forming apparatus | Koji Hashimoto, Tomonori Mori, Kinya Harada, Kazuhiko Kanno | 2006-09-19 |