Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10627747 | Image forming apparatus and image forming program for reducing occurrences of color misregistration and density unevenness using fluctuation pattern of difference values | Jun Onishi, Takashi Fujiwara | 2020-04-21 |
| 10488802 | Image forming apparatus | Jun Onishi, Takashi Fujiwara | 2019-11-26 |
| 10459378 | Image forming apparatus and program compensating for eccentric components | Takashi Fujiwara, Jun Onishi | 2019-10-29 |
| 10359717 | Image forming apparatus and correction of speed fluctuation of a sheet member through the image formatting apparatus | Jun Onishi, Takashi Fujiwara | 2019-07-23 |
| 10161478 | Driving device, fixing device and image forming apparatus | Jun Onishi, Takashi Fujiwara | 2018-12-25 |
| 10025253 | Image forming apparatus | Takashi Fujiwara, Jun Onishi | 2018-07-17 |
| 9939759 | Belt tension adjustment mechanism and image forming apparatus | Jun Onishi, Takashi Fujiwara | 2018-04-10 |
| 9914604 | Sheet feeder device and image forming apparatus | Takashi Fujiwara, Jun Onishi | 2018-03-13 |
| 9645529 | Image forming apparatus with color misregistration correction control | Jun Onishi, Takashi Fujiwara | 2017-05-09 |
| 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, Kenji Izumiya, Satoshi Ogata | 2016-02-02 |
| 8670683 | Image forming apparatus | Katsunori Takahashi, Masashi Sugano, Akinori Kimata, Akifumi Isobe, Jun Onishi +1 more | 2014-03-11 |
| 8218983 | Image formation apparatus including hot-roll type fixing device and method for determining malfunction of temperature sensor in the same | — | 2012-07-10 |
| 7477745 | License management apparatus, license management system and license management method | Mie Nakamura, Kazumi Sawayanagi, Satoshi Ozeki, Kana Yamauchi, Yoshihiko Yoshizaki | 2009-01-13 |
| 7013128 | Terminal device and terminal device operation management system and operation management method | Satoshi Ozeki, Kazumi Sawayanagi, Kana Yamauchi, Mie Nakamura, Yoshihiko Yoshizaki | 2006-03-14 |
| 5418356 | Reading optical system | — | 1995-05-23 |