Issued Patents All Time
Showing 1–25 of 188 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12265347 | Image forming apparatus that performs image corrections based on test images and control method for image forming apparatus | Suguru Kurita, Satoshi Araki | 2025-04-01 |
| 11858771 | Sheet post-processing device and sheet post-processing method | — | 2024-01-02 |
| 11493858 | Image forming apparatus and control method for collecting waste toner in a waste toner collection container | Kazuhiko Kikuchi, Tadashi Sugiyama, Tokihiko Ise | 2022-11-08 |
| 11381698 | Image forming apparatus and method for controlling image forming apparatus | Kazumasa Yasui, Masaya Arakawa | 2022-07-05 |
| 11372354 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi | 2022-06-28 |
| 11340541 | Image forming apparatus | Kazufumi Ishida | 2022-05-24 |
| 11247503 | Decoloring apparatus and method | — | 2022-02-15 |
| 11235612 | Decoloring apparatus and method | — | 2022-02-01 |
| 11194282 | Image forming apparatus and control method for collecting waste toner in a waste toner collection container | — | 2021-12-07 |
| 11137702 | Fixing device and image forming apparatus with temperature control | — | 2021-10-05 |
| 11112723 | Image forming apparatus and control method for collecting waste toner in a waste toner collection container | Kazuhiko Kikuchi, Tadashi Sugiyama, Tokihiko Ise | 2021-09-07 |
| 10962907 | Image forming apparatus | Kazufumi Ishida | 2021-03-30 |
| 10948846 | Image forming apparatus and method of controlling image forming apparatus | — | 2021-03-16 |
| 10852673 | Fixing device and image forming apparatus with temperature control | — | 2020-12-01 |
| 10816922 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi | 2020-10-27 |
| 10737893 | Image forming apparatus having sheet sorting function and a sheet sorting method | — | 2020-08-11 |
| 10698348 | Selective energization of heater elements in image forming | — | 2020-06-30 |
| 10670987 | Image forming apparatus and estimation method that estimate a remaining amount of toner | — | 2020-06-02 |
| 10618336 | Decoloring apparatus and method | — | 2020-04-14 |
| 10599079 | Image forming apparatus and image forming method | — | 2020-03-24 |
| 10496020 | Fixing unit with temperature control and image forming apparatus with temperature control | — | 2019-12-03 |
| 10429779 | Selective energization of heater elements in image forming | — | 2019-10-01 |
| 10423104 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi | 2019-09-24 |
| 10336117 | Image erasing apparatus and image erasing method | Hidetoshi Yokochi, Isao Yahata, Takahiro Kawaguchi, Yoshiaki Sugizaki, Kikuo Mizutani +3 more | 2019-07-02 |
| 10301131 | Image forming apparatus having sheet sorting function and a sheet sorting method | — | 2019-05-28 |