Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8804154 | Image forming apparatus | Atsushi Otani, Akihiko Sakai, Keita Takahashi, Hirotaka Seki, Shoji Takeda +1 more | 2014-08-12 |
| 8576427 | Image forming apparatus implemented by a distributed control system | Akihiko Sakai, Atsushi Otani, Shoji Takeda, Satoru Yamamoto, Keita Takahashi +1 more | 2013-11-05 |
| 8503013 | Image forming apparatus | Hirotaka Seki, Atsushi Otani, Akihiko Sakai, Shoji Takeda, Satoru Yamamoto +1 more | 2013-08-06 |
| 8341461 | Image forming apparatus | Atsushi Otani, Akihiko Sakai, Shoji Takeda, Satoru Yamamoto, Keita Takahashi +1 more | 2012-12-25 |
| 7839542 | Image forming apparatus | Yoshihito Osari, Michio Kawase, Noriyoshi Chizawa, Masashi Oyumi, Kiyoshi Okamoto | 2010-11-23 |
| 7746370 | Image forming apparatus and method of controlling same | Katsuhide Koga | 2010-06-29 |
| 7676170 | Toner density detection apparatus and image forming apparatus having the same | — | 2010-03-09 |
| 7672603 | Image formation control based on printing rate | Takeo Yamamoto, Naohisa Nagata, Mitsuhiro Ota, Daisaku Kamiya | 2010-03-02 |
| 7663659 | Image forming apparatus and control method therefor | Katsuhide Koga, Yasuyuki Aiko, Akihiko Sakai, Takashi Nagaya, Takashi Birumachi +1 more | 2010-02-16 |
| 7653320 | Image forming system and control method that change sequence of image formation based on fixation method | Mitsuhiro Ota, Naohisa Nagata, Takeo Yamamoto, Daisaku Kamiya | 2010-01-26 |
| 7596339 | Image forming apparatus including an interchangeable engine and an interchangeable paper feeding and outputting system | Michio Kawase, Noriyoshi Chizawa, Masashi Oyumi, Yoshihito Osari, Kiyoshi Okamoto | 2009-09-29 |
| 7590361 | Image forming apparatus and control method therefor | Noriyoshi Chizawa, Yoshihito Osari, Michio Kawase, Masashi Oyumi, Kiyoshi Okamoto | 2009-09-15 |
| 7463279 | Image forming apparatus and control method therefor | Katsuhide Koga, Yasuyuki Aiko, Akihiko Sakai, Takashi Nagaya, Takashi Birumachi +1 more | 2008-12-09 |
| 7415226 | Image formation apparatus and image formation method | Akihiko Sakai, Yasuyuki Aiko, Katsuhide Koga, Takashi Nagaya, Takashi Birumachi +1 more | 2008-08-19 |
| 7301553 | Light source control apparatus and image forming apparatus using the same | Katsuhide Koga | 2007-11-27 |
| 7268797 | Image forming apparatus and method of controlling same | Katsuhide Koga | 2007-09-11 |
| 6069644 | Recording head and image forming apparatus using the same | Hiroshi Tanioka, Toshihiko Ohtsubo, Mitsuru Amimoto | 2000-05-30 |
| 6008833 | Light-emitting device and image forming apparatus using the same | Toshihiko Ohtsubo, Hiroshi Tanioka, Mitsuru Amimoto | 1999-12-28 |
| 5585559 | Environment measuring apparatus | — | 1996-12-17 |