Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259679 | Developing cartridge including casing that has recessed portion and boss connecting two opposing walls of casing inside toner chamber, and image forming apparatus using the same | Koji Abe | 2025-03-25 |
| 12228867 | Toner cartridge including conveyer member rotatable about axis inside casing and shutter rotatable about the axis from closed position to open position | Yuwen Wang, Junichi Hashimoto | 2025-02-18 |
| 12164261 | Drum cartridge including drum contact movable in accordance with attachment of drum cartridge to main frame | Yuwen Wang, Junichi Hashimoto, Masayoshi Mita | 2024-12-10 |
| 12105444 | Image forming apparatus capable of suppressing increase in size | Junichi Hashimoto, Yuwen Wang, Soun Kanada, Kazuma Hinoue | 2024-10-01 |
| 12061438 | Drum unit capable of suppressing complication of wiring | Yuwen Wang, Junichi Hashimoto | 2024-08-13 |
| 11650522 | Image forming apparatus capable of suppressing increase in size | Junichi Hashimoto, Yuwen Wang, Soun Kanada, Kazuma Hinoue | 2023-05-16 |
| 11269292 | Drum unit capable of suppressing complication of wiring | Yuwen Wang, Junichi Hashimoto | 2022-03-08 |
| 9588459 | Developing device having developing roller and thickness-regulating blade | Takanori Uno, Kenta Tosuji | 2017-03-07 |
| 9557681 | Developing device, process cartridge and image forming apparatus | Kenjiro Nishiwaki, Takanori Uno, Masateru Kawamura, Kazuna Taguchi, Motoaki Mushika +3 more | 2017-01-31 |
| 9235157 | Developing device having developing roller, layer thickness regulation blade and seal member | Kenta Tosuji, Masahiro Ishii, Takanori Uno | 2016-01-12 |
| 9098009 | Developing device | Kenta Tosuji, Masahiro Ishii, Takanori Uno | 2015-08-04 |
| 8965228 | Image forming apparatus | Toshio Furukawa | 2015-02-24 |