Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459869 | Process cartridge and image forming apparatus | Susumu Nittani, Takeshi Arimitsu | 2002-10-01 |
| 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, Shigeo Miyabe, Tachio Kawai | 2002-08-20 |
| 6381430 | Assembling and disassembling methods for developing cartridge | Kazuhiko Kanno, Tachio Kawai | 2002-04-30 |
| 6345164 | Shutter pin and developing cartridge | Hisayoshi Kojima, Kazuhiko Kanno | 2002-02-05 |
| 6343192 | Developing device frame, process cartridge, and electrophotographic image forming apparatus | Shigeo Miyabe, Yoshiya Nomura | 2002-01-29 |
| 6314255 | Developing frame for connection with a toner frame wherein a toner application roller crosses a connecting surface of the frames | Kouji Miura, Kazuhiko Kanno | 2001-11-06 |
| 6282395 | Developing device and process cartridge | Susumu Nittani, Shigeo Miyabe, Tachio Kawai | 2001-08-28 |
| 6256467 | Side cover of developing cartridge, mounting method thereof and developing cartridge | Kazuhiko Kanno, Susumu Nittani | 2001-07-03 |
| 6229979 | Developing charging member supplied with a voltage of a same polarity as that of a developer and not less than a charge starting voltage and a developing charging roller with internal bearing | Yasuyuki Ishii, Tadayuki Tsuda, Shinichi Sasaki, Kouji Hashimoto, Toru Oguma +1 more | 2001-05-08 |
| 6226476 | Developing device holder having antenna contact mounting unit | Shigeo Miyabe, Yoshiya Nomura | 2001-05-01 |
| 6215969 | Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus | Yoshiya Nomura, Shigeo Miyabe | 2001-04-10 |
| 6169865 | Developing device frame process cartridge and electrophotographic image forming apparatus | Shigeo Miyabe, Yoshiya Nomura | 2001-01-02 |
| 6104895 | Developing cartridge side cover, mounting method thereof and developing cartridge | Kazuhiko Kanno, Susumu Nittani | 2000-08-15 |
| 6072969 | Developing cartridge | Hisayoshi Kojima, Kazuhiko Kanno | 2000-06-06 |
| 6064843 | Process cartridge and image forming apparatus | Hironobu Isobe, Atsushi Kubota, Yoshiya Nomura, Shigeo Miyabe | 2000-05-16 |
| 6061535 | Developing cartridge, for a revolver type developing device, with sensing means for sensing the remaining toner | Kazuhiko Kanno, Tachio Kawai | 2000-05-09 |
| 6055406 | Cleaning frame, cleaning device, process cartridge and electrophotographic image forming apparatus with segregated waste toner container | Tachio Kawai, Jun Miyamoto, Kouji Miura, Takeshi Arimitsu | 2000-04-25 |
| 6032002 | Shutter, developing cartridge and electrophotographic image forming apparatus | Kouji Miura, Kazuhiko Kanno | 2000-02-29 |
| 6029031 | Process cartridge and remanufacturing method | Yoshiya Nomura, Shigeo Miyabe | 2000-02-22 |
| 6029027 | Developing cartridge and electrophotographic image forming apparatus | Kouji Miura, Kazuhiko Kanno | 2000-02-22 |
| 6002898 | Developing cartridge and image forming apparatus | Kazuhiko Kanno, Tachio Kawai | 1999-12-14 |
| 5953562 | Process cartridge, assembling method for process cartridge and grounding member | Hideshi Kawaguchi | 1999-09-14 |
| 5950049 | Developing cartridge | Hisayoshi Kojima, Kazuhiko Kanno | 1999-09-07 |
| 5943528 | Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge | Takashi Akutsu, Yoshikazu Sasago, Haruhisa Oshida, Toshiyuki Karakama, Shinya Noda | 1999-08-24 |
| 5940657 | Developing cartridge | Hisayoshi Kojima, Kazuhiko Kanno | 1999-08-17 |