Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002898 | Developing cartridge and image forming apparatus | Kanji Yokomori, Tachio Kawai | 1999-12-14 |
| 5950049 | Developing cartridge | Kanji Yokomori, Hisayoshi Kojima | 1999-09-07 |
| 5940657 | Developing cartridge | Kanji Yokomori, Hisayoshi Kojima | 1999-08-17 |
| 5937240 | Process cartridge having positioning members and image forming apparatus using such a process cartridge | Tsutomu Nishiuwatoko, Kouji Miura, Toshimitsu Iso | 1999-08-10 |
| 5926666 | Process cartridge, electrophotographic image forming apparatus and connection method of connecting contacts | Kouji Miura, Shigeo Miyabe | 1999-07-20 |
| 5893006 | Process cartridge detectably mountable to image forming apparatus and image forming apparatus using same | Tsutomu Nishiuwatoko, Kouji Miura, Hiroshi Goto | 1999-04-06 |
| 5887227 | Developing device | Tachio Kawai, Jun Miyamoto, Kanji Yokomori, Koji Miura, Takeshi Arimitsu +1 more | 1999-03-23 |
| 5870655 | Process cartridge having a particular arrangement of electrical contacts and electrophotographic image forming apparatus using such a process cartridge | Tsutomu Nishiuwatoko, Kouji Miura | 1999-02-09 |
| 5815644 | Developing frame, process cartridge and image forming apparatus | Tsutomu Nishiuwatoko, Kouji Miura | 1998-09-29 |
| 5768658 | Electrode member, developing apparatus, process cartridge and image forming apparatus | Kazushi Watanabe, Atsushi Numagami, Tsutomu Nishiuwatoko, Koji Miura, Toru Oguma | 1998-06-16 |
| 5729796 | Shutter having first and second shutter members, process cartridge and image forming apparatus having the shutter | Kouji Miura, Tsutomu Nishiuwatoko | 1998-03-17 |