Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372905 | Image forming apparatus | Satoshi Nishida, Kohei Okayasu | 2025-07-29 |
| 12353154 | Image forming apparatus | Kohei Okayasu | 2025-07-08 |
| 12271133 | Fixing apparatus and image forming apparatus | Akimichi Suzuki, Satoshi Nishida, Kohei Okayasu, Takanori Mitani | 2025-04-08 |
| 12265340 | Image-forming apparatus | Takanori Mitani, Satoshi Nishida, Isamu Takeda, Kohei Okayasu | 2025-04-01 |
| 12019380 | Image-forming apparatus | Takanori Mitani, Satoshi Nishida, Isamu Takeda, Kohei Okayasu | 2024-06-25 |
| 11988982 | Heater, heating device, and image forming apparatus | Satoshi Nishida, Masahito Omata, Isamu Takeda | 2024-05-21 |
| 11927894 | Image forming apparatus controlling contact and separation of developing and image bearing members | Satoshi Nishida, Isamu Takeda, Takanori Mitani | 2024-03-12 |
| 11899391 | Image forming apparatus | — | 2024-02-13 |
| 11852987 | Image forming apparatus | Isamu Takeda, Takanori Mitani, Satoshi Nishida | 2023-12-26 |
| 11409214 | Fixing apparatus and image forming apparatus | Masahito Omata | 2022-08-09 |
| 11016413 | Image forming apparatus that controls a thermal fixing condition of a fixing portion based on thermal characteristic information of toner | Masahito Omata, Yasuhito Minamishima | 2021-05-25 |
| 10809655 | Image forming apparatus and control method thereof providing different speed control of driving developer carrying members using a common drive | Toshihiko Takayama, Hideo Nanataki | 2020-10-20 |
| 10558143 | Image forming apparatus that controls a thermal fixing condition of a fixing portion based on thermal characteristic information of toner | Masahito Omata, Yasuhito Minamishima | 2020-02-11 |
| 10409206 | Fixing device having a positioning portion that is inserted into an opening of a supporting member to prevent movement of a heat conductive member | Masahito Omata, Yasuhito Minamishima | 2019-09-10 |
| 10281846 | Image forming apparatus | Kenichi Iida, Yusuke Shimizu, Keisuke Ishizumi, Toshihiko Takayama | 2019-05-07 |
| 10120323 | Image forming apparatus | Yusuke Shimizu, Kenichi Iida, Keisuke Ishizumi, Toshihiko Takayama | 2018-11-06 |
| 10120322 | Image forming apparatus | Masaru Ohno, Kenji Watanabe, Marehiko Hirajima | 2018-11-06 |
| 9256186 | Image forming apparatus | Yusuke Shimizu, Kenichi Iida | 2016-02-09 |
| 9239552 | Transfer device and image forming apparatus comprising the same | Kenichi Iida, Yusuke Shimizu | 2016-01-19 |
| 9182707 | Image forming apparatus | Ryo Morihara, Toshihiko Takayama | 2015-11-10 |
| 9037035 | Image forming apparatus including toner charging member for charging and moving residual toner | Tomoaki Nakai, Kimitaka Ichinose, Hiroyuki Kadowaki | 2015-05-19 |
| 8565627 | Image forming apparatus and control method thereof | Tatsuya Kinukawa, Hitoshi Furukawa, Kazuhiro Funatani, Masahide Hirai, Yoshiro Saito +1 more | 2013-10-22 |
| 8554100 | Image forming apparatus using an electrophotographic system | Kimitaka Ichinose, Hiroyuki Kadowaki, Tomoaki Nakai | 2013-10-08 |
| 8442419 | Image forming apparatus and method for controlling same | Yoshimichi Ikeda, Hitoshi Furukawa | 2013-05-14 |
| 8229305 | Image forming apparatus | Tatsuya Kinukawa, Kimitaka Ichinose, Tomoaki Nakai, Masahide Hirai | 2012-07-24 |