Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8223386 | Image forming apparatus with detecting devices for image positioning on reversed sheet | Hiroshi Oyama, Atsushi Takahashi, Tadashi Matsudaira, Youbao Peng, Shinpei Kawasaki | 2012-07-17 |
| 8049931 | Image forming apparatus and image forming method for setting a margin region, a density change region, and regular density region | Atsushi Takahashi, Tadashi Matsudaira, Youbao Peng, Hiroshi Oyama, Shinpei Kawasaki | 2011-11-01 |
| 7848696 | Image forming apparatus | Youbao Peng, Atsushi Takahashi | 2010-12-07 |
| 7783223 | Image forming apparatus with plurality of AC power cords | Atsushi Takahashi, Youbao Peng | 2010-08-24 |
| 7751742 | Image forming apparatus and image forming system | Tadashi Matsudaira, Atsushi Takahashi, Youbao Peng, Hiroshi Oyama, Shinpei Kawasaki | 2010-07-06 |
| 7634210 | Cleaning system for an image forming apparatus for margin-less printing and control method thereof | Atsushi Takahashi, Tadashi Matsudaira, Youbao Peng, Hiroshi Oyama, Shinpei Kawasaki | 2009-12-15 |
| 7600187 | Image forming apparatus and image forming system | Takashi Hasebe, Takashi Tamura, Saburo Shimizu, Tetsu Sekine, Shuta Hamada | 2009-10-06 |
| 7583927 | Image forming apparatus | Atsushi Takahashi, Youbao Peng | 2009-09-01 |
| 7496848 | Image forming apparatus and image forming system | Takashi Hasebe, Takashi Tamura, Saburo Shimizu, Tetsu Sekine, Shuta Hamada | 2009-02-24 |
| 6320674 | Image forming apparatus | Atsushi Takahashi, Kazumichi Yamauchi, Ryuji Okutomi, Susumu Kurihara | 2001-11-20 |
| 6167209 | Copying system having plural copying machines | Chikatsu Suzuki, Susumu Kurihara, Atsushi Takahashi | 2000-12-26 |
| 5901276 | Image forming apparatus having an interface to connect with other image forming apparatus | Takashi Murahashi, Jun Yokobori, Susumu Kurihara | 1999-05-04 |
| 5901278 | Image recording apparatus with a memory means to store image data | Susumu Kurihara | 1999-05-04 |
| 5895142 | Image forming apparatus with sorting function | Atsushi Takahashi, Kazumichi Yamauchi, Ryuji Okutomi | 1999-04-20 |
| 5758251 | Image forming apparatus having automatic duplex device | Atsushi Takahashi, Susumu Kurihara | 1998-05-26 |
| 5708508 | Image recording apparatus with one-side and two-side copying modes | Jun Yokobori, Susumu Kurihara | 1998-01-13 |
| 5642200 | Duplex image recording apparatus with memory | Susumu Kurihara, Izumi Hamanaka, Atsushi Takahashi, Kenichi Hosoi, Takanobu Fuse | 1997-06-24 |
| 5231309 | Current leakage breaking circuit for a copying apparatus | Seitaro Kasahara | 1993-07-27 |
| 5198859 | Document information detecting device for a copying machine | Kazumichi Yamauchi | 1993-03-30 |
| 5162851 | Braking system for image formation apparatus | Minoru Asakawa, Haruo Itakura, Yasufumi Koseki, Kazumi Ishi, Hisao Sato | 1992-11-10 |
| 5068853 | Fail-safe apparatus for image forming apparatus | Yasufumi Koseki, Minoru Asakawa | 1991-11-26 |
| 4996625 | Power source unit for image recording apparatus | Yasufumi Koseki, Minoru Asakawa | 1991-02-26 |
| 4973799 | Printed circuit board for use with an image forming apparatus | Yasufumi Koseki, Minoru Asakawa | 1990-11-27 |
| 4791453 | Recording apparatus | Yasufumi Koseki, Seiichi Suzuki, Harufumi Yamashita | 1988-12-13 |