Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729653 | Image forming apparatus capable of cleaning a photoreceptor, method for cleaning a photoreceptor, and computer program for causing an image forming apparatus to clean a photoreceptor | Hiroshi Kawamoto, Masayasu Narimatsu, Naoki Fukudo | 2010-06-01 |
| 7257336 | Developing device, image forming device equipped therewith, and developing density adjusting method | Masayasu Narimatsu, Masakatsu Hayashi, Hiroshi Kawamoto, Makoto Uehara | 2007-08-14 |
| 6678482 | Image forming apparatus and method for determining suitability of replaceable component | Masayasu Narimatsu, Hiroshi Kawamoto, Hiroaki Yoshida, Masahiro Sakai, Naoki Fukudo +1 more | 2004-01-13 |
| 6459867 | Developing apparatus | Toshihide Ohgoshi, Shigeyuki Wakada, Eiichi Kido, Atsushi Inoue, Takayuki Yamanaka +2 more | 2002-10-01 |
| 6405009 | Image forming apparatus including system for recycling toner | Kouji Shinkawa, Takashi Sakai, Takayuki Yamanaka, Atsushi Inoue | 2002-06-11 |
| 6389260 | Tandem type color image forming device | Hiroshi Kataoka, Tadasu Taniguchi, Keizo Fukunaga, Eiichi Kido, Naoki Fukudo | 2002-05-14 |
| 6353720 | Image developing device using a toner as a developer | Takashi Sakai, Takayuki Yamanaka, Atsushi Inoue | 2002-03-05 |
| 6339686 | Developer unit with cleaning element | Takayuki Yamanaka, Atsushi Inoue, Eiichi Kido, Mikie Kobayashi, Shigeyuki Wakada +3 more | 2002-01-15 |
| 6308018 | Image forming apparatus | Hiroaki Yoshida, Junji Morimoto, Eiichi Kido, Masahiro Sakai, Atsushi Inoue +1 more | 2001-10-23 |
| 6035168 | Developing device having a reduced width in the horizontal direction | Hiroshi Kawamoto, Makoto Uehara, Yasutaka Maeda, Takeshi Wakabayashi, Takahiko Kimura +6 more | 2000-03-07 |
| 5923922 | Image forming apparatus with flying toner detecting device | Toshihisa Ishida, Katuaki Sumida, Kanshiro Okamoto, Masato Asanuma, Katsushi Inoue +3 more | 1999-07-13 |
| 5923920 | Image forming apparatus for controlling processing conditions in image forming process by detection of tiner patch density formed on photoreceptor surface | Toshihisa Ishida, Masayasu Narimatsu, Hideji Saiko, Tomoko Nishino, Katsuaki Sumida +1 more | 1999-07-13 |
| 5839018 | Toner density control for an image forming apparatus | Masato Asanuma, Toshiaki Ino, Kanshiro Okamoto, Hideji Saiko, Toshihisa Ishida +8 more | 1998-11-17 |
| 5826136 | Image stabilizing method for use in an image forming apparatus | Hideji Saiko, Motoyuki Itoyama, Toshihisa Ishida, Katsuhiro Nagayama, Hiroo Naoi +2 more | 1998-10-20 |
| 5734948 | Image stabilizer | Katsuhiro Nagayama, Toshiaki Ino, Toshihisa Ishida, Katsuaki Sumida, Hideji Saiko | 1998-03-31 |
| 5708915 | Image-quality stabilizer for use in an electrophotographic apparatus | Teruhiko Noguchi, Katsushi Inoue | 1998-01-13 |
| 5381212 | Photoreceptor for electrophotography | Teruhiko Noguchi, Hiroshi Kinashi, Katsushi Inoue, Tatsuo Tanaka, Kunio Otsuki +1 more | 1995-01-10 |
| 5333037 | Image-quality stabilizer for an electrophotographic apparatus | Katsushi Inoue, Teruhiko Noguchi, Itaru Kawabata | 1994-07-26 |
| 5133283 | Developer unit | — | 1992-07-28 |
| 4970557 | Electrophotographic apparatus controlling image quality according to condition of deterioration | Hideaki Hagihara, Hiroshi Kinashi, Junji Morimoto, Ken Yamagishi, Teruhiko Noguchi +1 more | 1990-11-13 |
| 4962408 | Device for removing defective developer agent from a developing unit of an image formation apparatus | Junji Morimoto, Ken Yamagishi, Hiroshi Kinashi, Itaru Kawabata, Teruhiko Noguchi | 1990-10-09 |
| 4935777 | Method of stabilizing surface potential of photoreceptor for electrophotography | Teruhiko Noguchi, Yuji Okamoto, Yoshiharu Tsujimoto, Hiroshi Kinashi, Yuhi Yui +2 more | 1990-06-19 |