Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184910 | Color image forming apparatus with polygonal mirror rotation phase control | Eiichi Sasaki, Nobuo Iwata, Takeshi Motohashi, Takahiro Tamiya, Yutaka Shio +1 more | 2001-02-06 |
| 5887228 | Color image forming apparatus including process cartridge | Takeshi Motohashi, Hiroyuki Matsushiro, Noriyuki Kimura, Hiroyuki Goto | 1999-03-23 |
| 5797069 | Developing device for image forming apparatus | Noriyuki Kimura, Hiroyuki Matsushiro, Takeshi Motohashi | 1998-08-18 |
| 5740492 | Color image forming apparatus | Takahiro Tamiya, Koichi Irie | 1998-04-14 |
| 5678161 | Paper conveyer of image forming apparatus which conveys paper to a fixing device | Shigeo Kurotaka, Nobuo Iwata, Shingo Katou, Takeshi Motohashi, Takahiro Tamiya +1 more | 1997-10-14 |
| 5671465 | Image forming apparatus having a revolver type developing device | Noriyuki Kimura, Minoru Suzuki, Kouji Sakamoto, Kouichi Noguchi, Hiroyuki Matsushiro +3 more | 1997-09-23 |
| 5599645 | Image transfer method for an image forming apparatus | Takahiro Tamiya, Nobuo Iwata, Takeshi Motohashi | 1997-02-04 |
| 5515145 | Color image forming apparatus having integral multiple length belt | Eiichi Sasaki, Koichi Noguchi, Minoru Suzuki, Koji Sakamoto, Hiroyuki Matsushiro +3 more | 1996-05-07 |
| 5440373 | Color image forming apparatus | Minoru Suzuki, Koji Sakamoto, Koichi Noguchi, Hiroyuki Matsushiro, Eiichi Sasaki +3 more | 1995-08-08 |
| 5255059 | Image forming apparatus | Tsukuru Kai, Seiji Oka, Hidetoshi Yano, Shigeru Yoshiki | 1993-10-19 |
| 4791454 | Removable photoconductive element unit for image-forming apparatus | Sadao Takahashi | 1988-12-13 |