Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12120274 | Image formation with increased productivity by determining surface state of medium conveying roller based on detected fluctuation range in roller driving load | Akihiro Hayashi, Yuji Kobayashi, Hiroshi Eguchi | 2024-10-15 |
| 12043513 | Recording medium conveyance device, recording medium conveyance method and non-transitory computer-readable recording medium encoded with recording medium conveyance instructions | Katsuyuki Ikuta, Hiroaki Takatsu, Takahiro Tsujimoto, Akihiro Hayashi | 2024-07-23 |
| 11418672 | Image forming apparatus and temperature control method | Takahiro Tsujimoto, Tianhua Xu, Hiroaki Takatsu, Katsuyuki Ikuta, Akihiro Hayashi | 2022-08-16 |
| 10638010 | Control device, image forming apparatus, and program | Katsuyuki Ikuta, Yoshihito Sasamoto, Masahiro Kamiya, Shota Igo | 2020-04-28 |
| 10520867 | Image forming apparatus | Hiroaki Takatsu, Takahiro Tsujimoto, Tianhua Xu | 2019-12-31 |
| 10126692 | Power supply control device and image forming apparatus | Mikiyuki Aoki, Seiichi Kirikubo, Taku Kimura, Akinori Kimata | 2018-11-13 |
| 9823609 | Image forming apparatus | Mikiyuki Aoki, Seiichi Kirikubo, Akinori Kimata | 2017-11-21 |
| 9709931 | Excessive heating protection circuit and image forming apparatus | Katsuyuki Ikuta, Yoshihito Sasamoto, Hiroshi Eguchi | 2017-07-18 |
| 9703240 | Fuser control device and image forming apparatus | Seiichi Kirikubo, Mikiyuki Aoki, Akinori Kimata | 2017-07-11 |
| 9477213 | Sheet punching device with humidifier | Masahiro Kamiya | 2016-10-25 |
| 9335677 | Fixing apparatus for fixing images formed on sheet and image forming apparatus provided with this fixing apparatus | Satoshi Ogata, Kenji Izumiya, Hiroshi Oyama, Masayuki Watanabe | 2016-05-10 |
| 9291968 | Image forming apparatus | Satoshi Ogata, Kenji Izumiya, 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 | Kenji Izumiya, Satoshi Ogata, Masahito Takano | 2016-02-02 |
| 9164441 | Fixing unit and image forming apparatus | Kenji Tamaki, Kenji Yamamoto, Kosuke Sasaki, Shohei Otsu | 2015-10-20 |
| 9063490 | Fixing apparatus and image forming apparatus | Satoshi Ogata, Kenji Izumiya, Hiroshi Oyama, Masayuki Watanabe | 2015-06-23 |
| 8792109 | Printing control apparatus, image forming apparatus and printing system | Akinori Kimata, Kenji Yamamoto, Akihiro Hayashi, Yoshihito Sasamoto, Kenji Tamaki | 2014-07-29 |
| 8505911 | Sheet discharging tray device and image forming system provided therewith | Eiji Sugimoto, Kazumichi Yamauchi, Hideo Yamane | 2013-08-13 |
| 8226076 | Post-processing apparatus, control method thereof and image forming system | Takumi Shirakuma, Eiji Sugimoto, Teruhiko Toyoizumi, Hideo Yamane | 2012-07-24 |
| 8100328 | Apparatus and method for data processing for IC tags and image forming device with the apparatus | Masahiro Shiigi, Kouji Ohara, Takeshi Nomura, Hiroshi Tokuan | 2012-01-24 |
| 8081347 | Image forming apparatus suitable for recycling sheets of paper with images formed thereon, and method and program product for adding recycling information | Shinichi Yabuki, Junichi Masuda, Koji Ohara | 2011-12-20 |
| 8031351 | Image formation apparatus connected to power supplying device capable of supplying power via data communication line, control method performed by same image formation apparatus and storage medium storing program executed by same image formation apparatus | — | 2011-10-04 |