Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853822 | Device for removing image disfiguring substances and image forming apparatus using the same | Hidetoshi Yano, Aino Noguchi, Kiyoshi Tanikawa, Chiaki Tanaka | 2005-02-08 |
| 5737680 | Image forming apparatus with toner recycling device | Shinji Kato, Hisao Murayama, Shigeru Watanabe, Mayumi Yoshida, Shunji Kato | 1998-04-07 |
| 5604575 | Image forming apparatus with toner recycling device | Shinji Kato, Hisao Murayama, Shigeru Watanabe, Mayumi Yoshida, Shunji Kato | 1997-02-18 |
| 5502552 | Developing device for an image forming apparatus | Naoki Iwata, Takeshi Saito, Hidetoshi Yano, Kazuhiro Nishido, Ichiro Komuro +2 more | 1996-03-26 |
| 5493382 | Image forming apparatus with toner recycling device | Shinji Kato, Hisao Murayama, Shigeru Watanabe, Mayumi Yoshida, Shunji Kato | 1996-02-20 |
| 5467175 | Developing device for an image forming apparatus | Nobuo Iwata, Koji Suzuki | 1995-11-14 |
| 4821075 | Developing device and developer supply device for the same | Takeshi Saito | 1989-04-11 |
| 4792825 | Rotary developing device for image-forming apparatus | Takeshi Saito | 1988-12-20 |