Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8811846 | Optical sensor with positioning reference surface and image forming apparatus incorporating optical sensor | Akira Yoshida, Hitoshi Ishibashi, Kohta Fujimori, Nobutaka Takeuchi, Kayoko Tanaka | 2014-08-19 |
| 8503893 | Image forming apparatus and method for controlling image density | Akira Yoshida, Nobutaka Takeuchi, Shin Hasegawa, Kohta Fujimori, Kayoko Tanaka | 2013-08-06 |
| 8455851 | Optical sensor and image forming apparatus | Kayoko Tanaka, Kohta Fujimori, Shin Hasegawa, Nobutaka Takeuchi, Akira Yoshida | 2013-06-04 |
| 8233813 | Image forming apparatus and image-density control method | Akira Yoshida, Shin Hasegawa, Hitoshi Ishibashi, Kohta Fujimori, Nobutaka Takeuchi +4 more | 2012-07-31 |
| 8145100 | Process cartridge including developing unit and incorporated in image forming apparatus | Yushi Hirayama, Shinji Kato, Takeroh Kurenuma, Keiichi Yoshida, Shin Hasegawa +6 more | 2012-03-27 |
| 8045874 | Image forming apparatus and image density control method | Akira Yoshida, Shin Hasegawa, Hitoshi Ishibashi, Kohta Fujimori, Nobutaka Takeuchi +3 more | 2011-10-25 |
| RE42270 | Lens shift mechanism and projection type video display | Hiroki Koba | 2011-04-05 |
| 7711275 | Image forming apparatus having an imaging condition setting control | — | 2010-05-04 |
| 7164546 | Lens shift mechanism and projection type video display | Hiroki Koba | 2007-01-16 |
| 6850718 | Image forming apparatus for adjusting predetermined developer density values based on a target value and sensed patch developer density | — | 2005-02-01 |
| RE37645 | Method and apparatus for removing image forming substance from image holding member forming processing situation mark | Yasuhiro Takahashi, Satoshi Shinguryou, Shinichi Kuramoto, Youichi Asaba, Kiyoshi Tanikawa +4 more | 2002-04-09 |
| RE36963 | Method and apparatus for regenerating image holding member | Kazuhiro Ando, Youichi Asaba, Kiyoshi Tanikawa, Satoshi Singuryo, Shinichi Kuramoto +6 more | 2000-11-21 |
| 6095164 | Method and apparatus for removing image forming substance from image holding member | Masatoshi Saitoh, Kazuhiro Ando, Tadashi Saitoh, Youichi Asaba, Kiyoshi Tanikawa +4 more | 2000-08-01 |
| 6047758 | Method for repeatedly using image holding member | Shinichi Kuramoto, Youichi Asaba, Kiyoshi Tanikawa, Satoshi Shinguryo, Sadao Takahashi +3 more | 2000-04-11 |
| 5753400 | Method for repeatedly using image holding member | Shinichi Kuramoto, Youichi Asaba, Kiyoshi Tanikawa, Satoshi Shinguryo, Sadao Takahashi +3 more | 1998-05-19 |
| 5605777 | Method and apparatus for regenerating image holding member | Kazuhiro Ando, Youichi Asaba, Kiyoshi Tanikawa, Satoshi Singuryo, Shinichi Kuramoto +6 more | 1997-02-25 |
| 5585896 | Image forming apparatus with a contact member contacting an image carrier | Kouichi Yamazaki, Sadao Takahashi, Nobuo Kikuchi, Kentaro Matsumoto, Tadashi Hayakawa +3 more | 1996-12-17 |
| 5574538 | Method and apparatus for removing image forming substance from image holding member forming processing situation mark | Yasuhiro Takahashi, Satoshi Shinguryou, Shinichi Kuramoto, Youichi Asaba, Kiyoshi Tanikawa +4 more | 1996-11-12 |
| 5572293 | Method of and system for cleaning a charge inducing member | Nobuo Kikuchi, Kouichi Yamazaki, Sadao Takahashi, Kentaro Matsumoto, Tadashi Hayakawa +3 more | 1996-11-05 |
| 5557373 | Cleaning system for charging drum of an image forming apparatus | Takeshi Tabuchi, Kouichi Yamazaki, Nobuo Kikuchi, Kentaro Matsumoto, Sadao Takahashi +1 more | 1996-09-17 |
| 5547793 | Method for using image support regeneratively and tool for forming image on image support | Shinichi Kuramoto, Sadao Takahashi, Yoshiyuki Kimura, Kazuhiro Ando, Tadashi Saito +3 more | 1996-08-20 |
| 5512708 | Toner used in an image forming apparatus | Sadao Takahashi, Kouichi Yamazaki, Nobuo Kikuchi, Kentaro Matsumoto, Tadashi Hayakawa +1 more | 1996-04-30 |
| 5250967 | Liquid crystal projector | — | 1993-10-05 |
| 5116117 | Multiscreen projector apparatus | — | 1992-05-26 |