Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D463817 | Developing unit for an image forming apparatus | Hiroshi Tanisawa, Takeshi Wakabayashi, Hiroshi Kawahito, Fumito Mizoguchi, Hiroshi Kubota | 2002-10-01 |
| 6314262 | Toner supply system and toner cartridge | Akira Nakakuma, Fumito Mizoguchi, Kenichi Nagata, Yoshiki Ichikawa | 2001-11-06 |
| 6311025 | Interchangeable part recognizing apparatus and image forming apparatus | Kenichi Nagata, Toshihide Morimoto, Hideaki Hagihara | 2001-10-30 |
| 6192212 | Image forming apparatus | Takahiro Kimura, Akira Nakakuma | 2001-02-20 |
| D435586 | Shutter for a toner cartridge | Fumito Mizoguchi | 2000-12-26 |
| 5842089 | Development apparatus for developing electrostatic latent image held by holder by using nonmagnetic one component developer | Kouji Shinkawa, Masato Asanuma, Yukihisa Imaue, Itaru Kawabata | 1998-11-24 |
| 5243389 | Toner hopper having stirring and feeding rollers | Naoyuki Yamane, Keiji Kato, Katsuzo Uchida, Miki Demoto, Hiroshi Kawahito +4 more | 1993-09-07 |
| 5235130 | Developer cartridge | Miki Demoto, Katsuzo Uchida, Keiji Kato, Naoyuki Yamane, Yasuo Imai | 1993-08-10 |
| 5216470 | Method of determining the density of toner | Masato Asanuma, Masatoshi Kaneshige | 1993-06-01 |
| 5029838 | Paper feeder | — | 1991-07-09 |
| 4998140 | Developing device for copier with sealing means | Kazuhiro Satou, Akio Shiomi, Naotaka Funayama, Hideaki Hagihara | 1991-03-05 |
| 4748481 | Housing for copier separable into upper and lower frames | — | 1988-05-31 |