Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402788 | Stable image formation apparatus utilizing toner release agents | — | 2022-08-02 |
| 11144002 | Image forming apparatus and conveyance control method | Yoshiteru Kawakami, Takahiro Okubo | 2021-10-12 |
| 11092913 | Image forming apparatus | Yoshiteru Kawakami, Takahiro Okubo | 2021-08-17 |
| 10737894 | Image forming apparatus and conveyance control method | Yoshiteru Kawakami, Takahiro Okubo | 2020-08-11 |
| 10705473 | Image forming apparatus and conveyance control method | Yoshiteru Kawakami, Takahiro Okubo | 2020-07-07 |
| 10609235 | Image forming apparatus for double-sided conveyance | Yoshiteru Kawakami, Takahiro Okubo | 2020-03-31 |
| 10577206 | Image forming apparatus and conveyance control method | Takahiro Okubo, Yoshiteru Kawakami | 2020-03-03 |
| 10582075 | Image forming apparatus and conveyance control method | Yoshiteru Kawakami, Takahiro Okubo | 2020-03-03 |
| 10574845 | Image forming apparatus for correcting sheet conveyance misalignment | Yoshiteru Kawakami, Takahiro Okubo | 2020-02-25 |
| 10514653 | Image forming apparatus and image forming control method | Yoshiteru Kawakami, Takahiro Okubo | 2019-12-24 |
| 10511735 | Image forming apparatus | Yoshiteru Kawakami, Takahiro Okubo | 2019-12-17 |
| 10401776 | Image forming apparatus and control method | Takahiro Okubo, Yoshiteru Kawakami | 2019-09-03 |
| 10379465 | Image forming apparatus and image forming method with paper heating control | Yoshiteru Kawakami, Takahiro Okubo | 2019-08-13 |
| 10358308 | Sheet feeding apparatus and image forming apparatus | Takahiro Okubo | 2019-07-23 |
| 10336107 | Image formation apparatus | Yoshiteru Kawakami | 2019-07-02 |
| 10214372 | Sheet feeder device and image forming apparatus | Takahiro Okubo | 2019-02-26 |
| 10088792 | Image forming apparatus | — | 2018-10-02 |
| 9630791 | Image-forming apparatus that forms image on long sheet | Akihiko Kakita, Takahiro Okubo | 2017-04-25 |
| 9199808 | Paper feeding cassette and image forming apparatus | Ichiro Muramatsu, Takaaki Namiki | 2015-12-01 |
| 7463858 | Fixing device and image forming apparatus with horizontally moving separating claw | Akira Kosugi, Ritsuo Fujii | 2008-12-09 |
| 7155149 | Image forming apparatus which detects abnormality condition in feeding of toner | Ritsuo Fujii, Seiji Yamaguchi, Hiroshi Isokawa | 2006-12-26 |
| 7062206 | Toner supplying apparatus and image forming apparatus | Ritsuo Fujii, Seiji Yamaguchi, Hiroshi Isokawa | 2006-06-13 |
| 7010251 | Toner conveyance device and image forming apparatus equipped therewith | Kazumichi Yamauchi, Ritsuo Fujii, Satoshi Sakata, Seiji Yamaguchi, Hiroshi Isokawa +1 more | 2006-03-07 |