Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253818 | Image forming apparatus | Hiroki Sasaki | 2025-03-18 |
| 12092986 | Image forming apparatus | Eiichiro Teshima | 2024-09-17 |
| 11762329 | Image forming apparatus that controls regulation unit | — | 2023-09-19 |
| 11726427 | Image forming apparatus with control of replacement of process cartridge | Eiichiro Teshima | 2023-08-15 |
| 11520283 | Image forming apparatus that controls regulation unit to prevent or allow detachment of a cartridge mounted to the image forming apparatus | — | 2022-12-06 |
| 11203496 | Image forming apparatus | Satoshi Tsuda, Yasuhiko Fuse, Takashi Kuwata, Shoichi Koyama | 2021-12-21 |
| 11194283 | Image forming apparatus selectively restricting removal of cartridge | Eiichiro Teshima | 2021-12-07 |
| 11016437 | Image forming apparatus that controls regulation unit to switch regulating state of a detachable replacement | — | 2021-05-25 |
| 9382090 | Image forming apparatus that ejects printed sheets from multiple trays at the same time | — | 2016-07-05 |
| 9031443 | Image forming apparatus | Yasuharu Hirado | 2015-05-12 |