Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11868065 | Toner conveying device, cleaning device, process cartridge, and image forming apparatus | — | 2024-01-09 |
| 11789380 | Powder container having a flexible sheet to contact the conveying rotator | Hiroaki Nieda, Shinichi Arasawa | 2023-10-17 |
| 11307517 | Powder container with a contact portion to cancel a restriction member from restricting rotation of an engagement portion | Hiroaki Nieda, Shinichi Arasawa | 2022-04-19 |
| 11054762 | Powder container, process cartridge, and image forming apparatus | Emi Kita, Hiroyoshi Haga, Yasuhide Ohkubo | 2021-07-06 |
| 10866537 | Powder container having contact portion to contact a restriction member | Hiroaki Nieda, Shinichi Arasawa | 2020-12-15 |
| 10816916 | Toner conveyance device with a film attached to a wall surrounding a conveyance screw | Yasuhide Ohkubo | 2020-10-27 |
| 9405227 | Powder conveying device, process cartridge, and image forming apparatus | Hiroshi Mizusawa, Takuya Sekine, Kohsuke Yamamoto | 2016-08-02 |
| 9310754 | Retractor and image forming apparatus incorporating the retractor | — | 2016-04-12 |
| 9188901 | Image forming apparatus including a covered retracting mechanism | Kenji Nakamura, Kohta Sakaya, Jong-Ho Park, Min-jae Chung | 2015-11-17 |
| 9008547 | Moving device and image forming apparatus including the moving device | — | 2015-04-14 |
| 8870183 | Image forming apparatus capable of forming images on both faces of recording media | — | 2014-10-28 |
| 8757791 | Image forming apparatus | Akiyoshi Tanaka, Yoichi Ito | 2014-06-24 |
| 8757792 | Image forming apparatus capable of forming images on both sides of recording media | — | 2014-06-24 |
| 8752953 | Image forming apparatus | Akiyoshi Tanaka, Yoichi Ito, Hideaki Iijima | 2014-06-17 |
| 8740349 | Image forming apparatus | Honriku Jo | 2014-06-03 |
| 8737879 | Opening and closing mechanism and image forming apparatus including the opening and closing mechanism | Yoichi Ito, Akiyoshi Tanaka, Yuuji Tanaka | 2014-05-27 |
| 8714682 | Image forming apparatus | Akiyoshi Tanaka, Yoichi Ito, Hideaki Iijima | 2014-05-06 |
| 8573769 | Image forming apparatus | Akiyoshi Tanaka, Yoichi Ito | 2013-11-05 |
| 8556376 | Image forming apparatus | Fumitaka Kikkawa, Yoichi Ito, Tomomi Katoh, Mitsuya Matsubara, Soyoung Park +4 more | 2013-10-15 |
| 8544983 | Image forming apparatus | Akiyoshi Tanaka, Yoichi Ito, Soyoung Park | 2013-10-01 |
| 8500240 | Image forming apparatus, method of suctioning liquid from nozzles of recording head and computer readable information recording medium | Mitsuya Matsubara, Akiyoshi Tanaka, Yoichi Ito, Tomomi Katoh, Fumitaka Kikkawa +6 more | 2013-08-06 |