Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12108006 | Control device and image forming system, and computer readable recording medium storing control program | Tatsuo Ishizuka, Hiroshi Oyama, Takumi Shirakuma | 2024-10-01 |
| 11201573 | Driving device, image forming apparatus, and control program | Keigo Ogura, Takumi Shirakuma, Hidenori Mine, Hirokatsu Kodama | 2021-12-14 |
| 10509349 | Fixing device and image forming apparatus | Takumi Shirakuma, Keigo Ogura, Hidenori Mine, Hirokatsu Kodama | 2019-12-17 |
| 10054894 | Image forming apparatus | Hidenori Mine, Satoshi Ogata, Kenji Tamaki, Hirokatsu Kodama | 2018-08-21 |
| 10025235 | Image forming apparatus with power supplies for secondary transfer unit | Kenji Tamaki, Satoshi Ogata, Hidenori Mine, Hirokatsu Kodama | 2018-07-17 |
| 9703238 | Image forming system | Kiyoto Kojima, Satoshi Ogata, Hirokatsu Kodama | 2017-07-11 |
| 9335677 | Fixing apparatus for fixing images formed on sheet and image forming apparatus provided with this fixing apparatus | Satoshi Ogata, Takeshi Tamada, Hiroshi Oyama, Masayuki Watanabe | 2016-05-10 |
| 9291968 | Image forming apparatus | Takeshi Tamada, Satoshi Ogata, Masatoshi Hitaka | 2016-03-22 |
| 9250587 | Image forming apparatus that adjusts a differential speed between a surface of a fixing belt and a surface of a pressure roller based on a detected torque of a motor that drives the pressure roller | Takeshi Tamada, Satoshi Ogata, Masahito Takano | 2016-02-02 |
| 9229387 | Fixing apparatus with a control unit for powering a fixing heater using a combination of control patterns, and image-forming apparatus using the same | Kosuke Sasaki, Kenji Tamaki, Masayuki Watanabe, Kiyoto Kojima, Hiroshi Oyama | 2016-01-05 |
| 9063490 | Fixing apparatus and image forming apparatus | Takeshi Tamada, Satoshi Ogata, Hiroshi Oyama, Masayuki Watanabe | 2015-06-23 |
| 8955839 | Paper feed apparatus and image forming system | Hiroshi Oyama, Kiyoto Kojima, Atsushi Takahashi | 2015-02-17 |
| 8783683 | Image forming apparatus and image forming system | Hiroshi Oyama, Yumiko Izumiya | 2014-07-22 |
| 8764003 | Control method of feeder and image forming system | Hiroshi Oyama, Kiyoto Kojima, Atsushi Takahashi | 2014-07-01 |
| 8611767 | Image forming apparatus with a photoreceptor | Atsushi Takahashi, Hiroshi Oyama, Yumiko Higashi, Katsuyuki Ikuta | 2013-12-17 |
| 7876342 | Color image forming apparatus using registration marks | Eiji Nishikawa, Hiroyuki Maruyama, Hiroyuki Arai, Toshihiro Motoi, Ryuji Okutomi +5 more | 2011-01-25 |
| 7606516 | Image printing apparatus | Tadayuki Ueda, Hiroyuki Maruyama, Toshihiro Motoi, Ryuji Okutomi, Satoshi Ogata | 2009-10-20 |
| 7567264 | Collor image forming apparatus having magnification correction function | — | 2009-07-28 |
| 7542058 | Color image forming apparatus using registration marks | Eiji Nishikawa, Hiroyuki Maruyama, Hiroyuki Arai, Toshihiro Motoi, Ryuji Okutomi +5 more | 2009-06-02 |
| 7499072 | Color image forming apparatus and image forming system therewith | Satoshi Ogata, Eiji Nishikawa, Yumiko Higashi | 2009-03-03 |
| 7453480 | Color image forming apparatus using registration marks | Eiji Nishikawa, Hiroyuki Maruyama, Hiroyuki Arai, Toshihiro Motoi, Ryuji Okutomi +5 more | 2008-11-18 |
| 7287700 | Light emitting timing adjustment method, laser scanning apparatus, and image formation apparatus | Kouichi Takaki, Toshihiro Motoi | 2007-10-30 |
| 7263314 | Electrophotographic image printing apparatus | Tadayuki Ueda, Hiroyuki Maruyama, Toshihiro Motoi, Ryuji Okutomi, Satoshi Ogata | 2007-08-28 |
| 7130097 | Image forming apparatus | Yumiko Higashi, Eiji Nishikawa | 2006-10-31 |
| 7110017 | Signal controlling circuit | Takeshi Yoshino, Kouichi Takaki | 2006-09-19 |