Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429799 | Toner cartridge and image forming apparatus | Kazuki Yoshioka | 2025-09-30 |
| 11693337 | Developing device including development container, developer carrier, and restricting blade, and image forming apparatus including the same | Seia FUJII, Masakazu Uehara, Hiroaki Kitagawa, Takuya Kawasumi | 2023-07-04 |
| 11599057 | Developing device, image forming apparatus including developing device | — | 2023-03-07 |
| 11586125 | Image forming apparatus capable of determining whether a container is new or used | — | 2023-02-21 |
| 11567425 | Developing device, and image forming apparatus including the same | Takuya Kawasumi, Masakazu Uehara, Hiroaki Kitagawa | 2023-01-31 |
| 11556078 | Developing device and image forming apparatus including same | Hiroaki Kitagawa, Takuya Kawasumi | 2023-01-17 |
| 11550238 | Developing device and image forming apparatus including same | Hiroaki Kitagawa | 2023-01-10 |
| D969207 | Developing cartridge | — | 2022-11-08 |
| 11487220 | Developing device and image forming apparatus including ihe same | Takuya Kawasumi, Masakazu Uehara, Hiroaki Kitagawa, Seia FUJII | 2022-11-01 |
| 11435678 | Developing device and image forming apparatus including the same | Masakazu Uehara, Takuya Kawasumi, Hiroaki Kitagawa, Seia FUJII | 2022-09-06 |
| 11385589 | Image forming apparatus with detachable drum unit and developing unit | Yuki Uohashi, Hironori Takahashi | 2022-07-12 |
| 10472197 | Image forming apparatus | Tomoya Hotani, Hiroyuki Harada, Takeshi Iketani, Akira Horie, Masaaki Maruta | 2019-11-12 |
| 9500986 | Toner case and image forming apparatus | — | 2016-11-22 |