Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11003118 | Fixing apparatus and image forming apparatus that control heat generation of heat generation members | Kazuhiro Doda, Hiroto Endo | 2021-05-11 |
| 10921737 | Fixing apparatus switching heat generation members and image forming apparatus | Yutaka Sato, Kazuhiro Doda, Kohei Wakatsu | 2021-02-16 |
| 10884361 | Image forming apparatus that switches power supply to plurality of heating elements | Kohei Wakatsu, Kazuhiro Doda, Yutaka Sato, Ken Oi | 2021-01-05 |
| 10838336 | Fixing device and image forming apparatus that control power supply to heat generation members | Kazuhiro Doda, Yutaka Sato, Kohei Wakatsu | 2020-11-17 |
| 10725402 | Image forming apparatus | Keisuke Ishizumi, Shohei Ishio, Shinji Katagiri, Takayuki Tanaka, Shuichi Tetsuno | 2020-07-28 |
| 10656566 | Image forming apparatus using contact member to recover toner remaining on intermediate transfer member | Takayuki Tanaka, Keisuke Ishizumi, Shohei Ishio | 2020-05-19 |
| 10649388 | Image forming apparatus | Shinji Katagiri, Takayuki Tanaka, Shuichi Tetsuno, Takahiro Ikeda | 2020-05-12 |
| 10642195 | Image forming apparatus using intermediate transfer member having grooves and specified dynamic friction coefficient | Shohei Ishio, Keisuke Ishizumi, Takayuki Tanaka, Shinji Katagiri | 2020-05-05 |
| 10627749 | Image forming apparatus having transfer power source that applies voltage to secondary transfer member to perform secondary transfer of toner images from electrically conductive intermediate transfer belt to recording materials, toner images on image carrier primarily transferred to belt by transfer power source and contact member in which an electric potential is formed by constant-voltage element, transfer power source and auxiliary power source | Shinji Katagiri, Yuji Kawaguchi, Masaru Ohno, Takeo Kawanami, Taro Minobe +1 more | 2020-04-21 |
| 10606190 | Image forming apparatus that collects toner remaining on intermediate transfer member using member in abutment with intermediate transfer member | Shinji Katagiri, Takayuki Tanaka | 2020-03-31 |
| 10591856 | Roller with filler bundle in elastic layer and fixing device | Yutaka Sato, Kazuhiro Doda, Kohei Wakatsu, Jun Miura | 2020-03-17 |
| 10564579 | Fixing apparatus | Kenichi Ogawa, Takashi Narahara, Toru Imaizumi, Yasuhito Minamishima, Masashi Tanaka +1 more | 2020-02-18 |
| 10509341 | Image forming apparatus | Takayuki Tanaka, Shinji Katagiri, Shuichi Tetsuno, Takahiro Ikeda | 2019-12-17 |
| 10488794 | Image forming apparatus that switches power supply to plurality of heating elements | Kohei Wakatsu, Kazuhiro Doda, Yutaka Sato, Ken Oi | 2019-11-26 |
| 10423115 | Image forming apparatus | Shuichi Tetsuno, Shinji Katagiri, Koji An | 2019-09-24 |
| 10401779 | Image forming apparatus | Shinji Katagiri, Shuichi Tetsuno, Takayuki Tanaka, Takahiro Ikeda, Satoru Motohashi +1 more | 2019-09-03 |
| 10289025 | Image forming apparatus for electrophotographic processing utilizing varying surface speeds | Shinji Katagiri, Takeo Kawanami, Akinori Mitsumata | 2019-05-14 |
| 10248043 | Image forming apparatus that prevents toner charged with polarity opposite normal charging polarity from being collected | Shuichi Tetsuno, Shinji Katagiri, Takayuki Tanaka, Takahiro Ikeda | 2019-04-02 |
| 10185239 | Image forming apparatus | Takayuki Tanaka, Shinji Katagiri, Shuichi Tetsuno, Takahiro Ikeda | 2019-01-22 |
| 10180643 | Image forming apparatus having intermediate transfer belt, secondary transfer member that contacts outer surface of intermediate transfer belt, opposed member opposed to secondary transfer member via intermediate transfer belt, contact member that contacts inner surface of intermediate transfer belt, and constant-voltage element through which opposed member and contact member are grounded | Shinji Katagiri, Yuji Kawaguchi, Masaru Ohno, Takeo Kawanami, Taro Minobe +1 more | 2019-01-15 |
| 10168645 | Image forming apparatus where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt | Masaru Shimura, Shinji Katagiri, Eiichi Hamana, Takahiro Ikeda, Takayuki Tanaka +1 more | 2019-01-01 |
| 10095165 | Fixing apparatus for fixing a toner image to a recording medium | Kenichi Ogawa, Takashi Narahara, Toru Imaizumi, Yasuhito Minamishima, Masashi Tanaka +1 more | 2018-10-09 |
| 9817342 | Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer belt | Shinji Katagiri, Yuji Kawaguchi, Masaru Ohno, Takeo Kawanami, Taro Minobe +1 more | 2017-11-14 |
| 9501012 | Fixing apparatus for fixing a toner image to a recording medium | Kenichi Ogawa, Takashi Narahara, Toru Imaizumi, Yasuhito Minamishima, Masashi Tanaka +1 more | 2016-11-22 |
| 9417568 | Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer belt | Shinji Katagiri, Yuji Kawaguchi, Masaru Ohno, Takeo Kawanami, Taro Minobe +1 more | 2016-08-16 |