Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298685 | Image forming apparatus for maintaining cleaning performance while preventing turn-over of a contact member | Shohei Ishio | 2025-05-13 |
| 12287593 | Image forming apparatus which supplies yellow toner as protective agent to secondary transfer member | Koji An | 2025-04-29 |
| 12210308 | Method for correcting positional shift of image | — | 2025-01-28 |
| 12038697 | Image forming apparatus | Shohei Ishio, Shinji Katagiri | 2024-07-16 |
| 11934117 | Image forming apparatus | Shinji Katagiri, Koji An | 2024-03-19 |
| 11656564 | Image forming apparatus which includes a belt having an electroconductive layer | Shohei Ishio, Shinji Katagiri, Eiichi Hamana, Noriaki Egawa | 2023-05-23 |
| 11599059 | Image forming apparatus with condensation control | Shinji Katagiri, Shuichi Tetsuno, Yuichiro Inaba | 2023-03-07 |
| 11537066 | Image forming apparatus | Shohei Ishio, Shinji Katagiri, Takayuki Tanaka, Tsuguhiro Yoshida, Shuichi Tetsuno | 2022-12-27 |
| 11460795 | Image forming apparatus | Hiroko Yokoyama, Shinji Katagiri | 2022-10-04 |
| 11435680 | Image forming apparatus which includes a belt having an electroconductive layer | Shohei Ishio, Shinji Katagiri, Eiichi Hamana, Noriaki Egawa | 2022-09-06 |
| 11392075 | Image-forming apparatus which controls the rotation of the intermediate transfer belt based on accumulated toner | Shohei Ishio, Shinji Katagiri | 2022-07-19 |
| 11366411 | Image forming apparatus | Shohei Ishio, Takayuki Tanaka, Hiroomi Kojima | 2022-06-21 |
| 11327429 | Image-forming apparatus with a durable contact member that abuts against a belt | Shohei Ishio, Shinji Katagiri | 2022-05-10 |
| 11262673 | Image forming apparatus | Shohei Ishio, Shinji Katagiri, Takayuki Tanaka, Tsuguhiro Yoshida, Shuichi Tetsuno | 2022-03-01 |
| 11209767 | Image-forming apparatus | Shohei Ishio, Shinji Katagiri, Wataru Takahashi | 2021-12-28 |
| 11209766 | Cleaning device and image forming apparatus | Yuichiro Inaba, Norihiro Matsumoto, Shohei Ishio, Shinji Katagiri | 2021-12-28 |
| 11009816 | Electrophotographic belt and electrophotographic image forming apparatus | Takayuki Tanaka, Koujirou Izumidate | 2021-05-18 |
| 10725402 | Image forming apparatus | Shohei Ishio, Shinji Katagiri, Takayuki Tanaka, Tsuguhiro Yoshida, Shuichi Tetsuno | 2020-07-28 |
| 10656566 | Image forming apparatus using contact member to recover toner remaining on intermediate transfer member | Takayuki Tanaka, Tsuguhiro Yoshida, Shohei Ishio | 2020-05-19 |
| 10642195 | Image forming apparatus using intermediate transfer member having grooves and specified dynamic friction coefficient | Shohei Ishio, Takayuki Tanaka, Tsuguhiro Yoshida, Shinji Katagiri | 2020-05-05 |
| 10459361 | Image forming apparatus with voltage adjustment member | Seiji Saito, Toshihiko Takayama, Masaru Ohno, Shingo Ito, Shohei Ishio +3 more | 2019-10-29 |
| 10281846 | Image forming apparatus | Kenichi Iida, Takao Kume, Yusuke Shimizu, Toshihiko Takayama | 2019-05-07 |
| 10216119 | Image forming apparatus with adjustment of potential for secondary transfer | Seiji Saito, Toshihiko Takayama, Masaru Ohno, Shingo Ito, Shohei Ishio | 2019-02-26 |
| 10197940 | Image forming apparatus changing magnitude of control signal used for image formation | Shingo Ito, Toshihiko Takayama, Shohei Ishio, Kenichi Iida | 2019-02-05 |
| 10120323 | Image forming apparatus | Yusuke Shimizu, Kenichi Iida, Takao Kume, Toshihiko Takayama | 2018-11-06 |