Issued Patents 2004
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836639 | Cleaning apparatus having a cleaning member, a cleaning frame, and a connecting portion connecting both end surfaces of the frame | Takeo Shoji, Ryuta Murakami, Tomonori Matsunaga | 2004-12-28 |
| D500335 | Image forming apparatus | Noriyuki Komatsu | 2004-12-28 |
| 6832056 | Memory member, unit, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2004-12-14 |
| 6826380 | Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus | Tatsuya Shiratori, Shinji Goto, Hironobu Isobe, Shinya Noda, Fumito Nonaka +1 more | 2004-11-30 |
| 6804483 | Electrophotographic image forming apparatus and process cartridges | Akiyoshi Yokoi, Kazushi Watanabe, Toru Oguma | 2004-10-12 |
| 6804475 | PROCESS CARTRIDGE COMPRISING GROUNDING, CHARGING BIAS, AND DEVELOPING BIAS CONTACTS AND INPUT AND OUTPUT CONTACTS, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS TO WHICH THE PROCESS CARTRIDGE IS DETACHABLY MOUNTABLE | Toru Oguma, Akiyoshi Yokoi | 2004-10-12 |
| 6782222 | Image forming apparatus and process cartridge mountable therein in which a gap exists between a main assembly antenna of the apparatus and a memory antenna of the process cartridge mounted thereon | Yoshihiro Ito, Kazushi Watanabe | 2004-08-24 |
| 6782213 | Memory member, unit, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2004-08-24 |
| D492958 | Image forming apparatus | Toru Oguma, Akiyoshi Yokoi, Noriyuki Komatsu | 2004-07-13 |
| 6738589 | Process cartridge including convex and concave portions and electrophotographic image forming apparatus to which such a process cartridge is detachably mountable | Kazushi Watanabe | 2004-05-18 |
| 6704525 | Developing device, process cartridge and electrophotographic image forming apparatus | Toru Oguma, Kazushi Watanabe, Akiyoshi Yokoi | 2004-03-09 |
| 6701107 | Memory member, unit, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2004-03-02 |
| 6697578 | Memory member, unit, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2004-02-24 |