Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5488462 | Electrophotographic apparatus having developing device with seals for preventing toner leakage | Masaaki Ishikawa, Michihisa Iguchi, Hiroshi Hashizume, Tetsuya Nakamura, Kouichirou Satou +6 more | 1996-01-30 |
| 5477306 | Detachable process unit for an electrophotographic device | Michihisa Iguchi, Seiji Arai, Chinobu Sakai, Satoshi Katagata | 1995-12-19 |
| 5465140 | Developing device and image forming apparatus including an agitator having two springs wound in different directions around a rod | Tetsuya Nakamura, Michihisa Iguchi, Seiji Arai, Chinobu Sakai, Satoshi Katagata | 1995-11-07 |
| 5412364 | Toner pack and development device for use in electrophotographic apparatus | Michihisa Iguchi, Hiroshi Hashizume, Seiji Arai, Yoshiaki Okano, Chinobu Sakai +4 more | 1995-05-02 |