Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8165516 | Cleaning device with solid lubricating member and image forming apparatus provided with the same | — | 2012-04-24 |
| 7885573 | Cleaning device, and image forming apparatus provided with the same | — | 2011-02-08 |
| 7274899 | Image forming device | — | 2007-09-25 |
| 7257355 | Toner supply device | Tetsuo Tanda, Kenichi Tanabe | 2007-08-14 |
| 6697579 | Fixing unit with indicator for shifting control of pressing roller | Hiroshi Ito, Kenichi Tanabe | 2004-02-24 |
| 6697177 | Image forming apparatus | Yukihiro Itoh, Takashi Mihara, Tadahiro Kiyosumi, Susumu Hanano | 2004-02-24 |
| 6668142 | Image forming apparatus with reference density changed according to low frequent and high frequent modes | Takahisa Nakaue, Kenichi Tanabe, Akane Kikuta | 2003-12-23 |
| 6496281 | Image forming apparatus | Shinji Yamamoto, Yukihiro Itoh, Tadahiro Kiyosumi, Eijiro Masaki | 2002-12-17 |
| 6275671 | Image forming apparatus with cleanable transfer roller | Toshiyuki Hamada, Tadahiro Kiyosumi, Naoyuki Ishida | 2001-08-14 |
| 6267368 | Paper return device and image forming apparatus | Kenji Oda, Shinji Yamamoto, Eijiro Masaki, Susumu Hanano, Yukihiro Itoh +1 more | 2001-07-31 |
| 5983056 | Photosensitive drum and image processing unit | Toshiyuki Fukami, Yoshifumi Okauchi, Yuji Tanaka, Tohru Ueno, Hiroshi Mishima | 1999-11-09 |
| 5953135 | Image forming apparatus with an upper body portion shifted relative to a lower body portion to provide a view of a paper discharging section located between the body portions | Toshihiko Watanabe, Yoshifumi Okauchi, Mitsuharu Yoshimoto, Susumu Hanano | 1999-09-14 |
| 5933251 | Image forming apparatus with a first body portion shifted relative to a second body portion to provide a view of a paper discharging section located between the body portions | Mitsuharu Yoshimoto, Yoshifumi Okauchi, Naoyuki Ishida, Tadahiro Kiyosumi | 1999-08-03 |
| 5839025 | Image forming apparatus having a window for illuminating paper discharged to a discharge section | Yoshifumi Okauchi, Yukihiro Itoh, Masahiko Miyazaki, Syouji Hirano | 1998-11-17 |
| D400570 | Developing unit for an image forming apparatus | Takeshi Konuma | 1998-11-03 |
| 5749035 | Image transferred sheet conveying guide for use in an image forming apparatus | Keiji Ban, Masami Fuchi, Hiroaki Tsuchiya, Osamu Yoshimura, Shinichi Tanaka | 1998-05-05 |
| 5617193 | Image transferred sheet conveying guide for use in an image forming apparatus | Keiji Ban, Masami Fuchi, Hiroaki Tsuchiya, Osamu Yoshimura, Shinichi Tanaka | 1997-04-01 |
| 5579097 | Xerographic printing and sheet processing apparatus | Hiroaki Tsuchiya, Daisuke Hayashi, Shinichi Tanaka | 1996-11-26 |
| 5539509 | Sheet transportation system in magnetic-toner xerographic image fixing apparatus | Hiroaki Tsuchiya, Daisuke Hayashi, Shinichi Tanaka | 1996-07-23 |
| 5477314 | Sheet conveying apparatus with guide member | Hiroaki Tsuchiya, Osamu Yoshimura, Masami Fuchi, Shinichi Tanaka, Keiji Ban | 1995-12-19 |
| 4782359 | Fixing unit for shell-type image formation apparatuses and a process for the placement and removal of the same | — | 1988-11-01 |
| 4687357 | Ink ribbon cassette for use in printer | Koji Katsuragi, Hirofumi Ozaki, Yoshihiro Kawahara, Hideki Matsumoto, Kazuhiro Kobayashi | 1987-08-18 |