Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399453 | Image forming apparatus having detachable toner cartridges | Jumpei Nitta, Osamu Sasaoka, Kohei Koguchi, Shuma Hiasa | 2025-08-26 |
| 12391507 | Image forming apparatus | Yasuhiro Fukase | 2025-08-19 |
| 12153359 | Image forming apparatus | Tomohiro Suzuki, Takeo Kawanami, Akinori Mitsumata | 2024-11-26 |
| 12092987 | Image forming apparatus | Fuyuto Yamashita, Kazuhiro Hosohara, Tatsuo Nishiyama | 2024-09-17 |
| 12060242 | Sheet feeding device and image forming apparatus | Jumpei Nitta | 2024-08-13 |
| 12050430 | Image forming apparatus | Jumpei Nitta, Akinori Mitsumata | 2024-07-30 |
| 12049375 | Sheet feeding apparatus and image forming apparatus | Kazuhiro Hosohara | 2024-07-30 |
| 12037214 | Sheet feeding device and image forming apparatus | Kazuhiro Hosohara | 2024-07-16 |
| 12025946 | Image forming apparatus having duplex driven roller unit | Jumpei Nitta, Akinori Mitsumata | 2024-07-02 |
| 11926498 | Sheet feeding apparatus and image forming apparatus | Kazuhiro Hosohara | 2024-03-12 |
| 11868078 | Image forming apparatus including external sheet feed tray with sheet feeder | Kazuhiro Hosohara | 2024-01-09 |
| 11815832 | Image forming apparatus comprising development unit for receiving replenishment container and retractable support for supporting the development unit | Tomohiro Suzuki, Takeo Kawanami, Akinori Mitsumata | 2023-11-14 |
| 11795017 | Sheet feeding apparatus and image forming apparatus | Tatsuo Nishiyama | 2023-10-24 |
| 11613439 | Sheet feeding apparatus and image forming apparatus | Akinori Yokota | 2023-03-28 |
| 10807815 | Sheet feeding apparatus and image forming apparatus | — | 2020-10-20 |
| 10662010 | Sheet feeding device, image forming apparatus, and method for sheet feeding device | Atsushi Murakami | 2020-05-26 |
| 9983522 | Fixing device | Toru Imaizumi, Takashi Narahara, Atsutoshi Ando, Yasuhito Minamishima, Masafumi Maeda | 2018-05-29 |
| 9519252 | Fixing device | Masafumi Maeda, Takashi Narahara, Toru Imaizumi, Yasuhito Minamishima | 2016-12-13 |
| 9507303 | Fixing device | Toru Imaizumi, Takashi Narahara, Atsutoshi Ando, Yasuhito Minamishima, Masafumi Maeda | 2016-11-29 |
| 9471017 | Image forming apparatus for automatically releasing pressure applied to a fixing nip portion | Masaki Tanaka | 2016-10-18 |
| 9235172 | Image fixing apparatus | Toru Imaizumi, Takashi Narahara, Atsutoshi Ando, Yasuhito Minamishima, Masafumi Maeda | 2016-01-12 |
| 9229388 | Fixing device | Toru Imaizumi, Takashi Narahara, Atsutoshi Ando, Yasuhito Minamishima, Masafumi Maeda | 2016-01-05 |
| 9164472 | Image forming apparatus | Kota Sekido, Hiromi Sakurai | 2015-10-20 |
| 8670695 | Image forming apparatus | Daisuke Aoki | 2014-03-11 |
| 8639162 | Color electrophotographic image forming apparatus | — | 2014-01-28 |