Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379686 | Image forming apparatus | Masaaki Takeuchi | 2025-08-05 |
| 12228877 | Process cartridge and image forming apparatus | Hiroyuki Munetsugu, Goshi Ozaki | 2025-02-18 |
| 11966193 | Image forming apparatus and process cartridge | Goshi Ozaki | 2024-04-23 |
| 11796958 | Process cartridge and image forming apparatus | Hiroyuki Munetsugu, Goshi Ozaki | 2023-10-24 |
| 11693356 | Image forming apparatus and process cartridge | Goshi Ozaki | 2023-07-04 |
| 11567445 | Process cartridge and image forming apparatus | Hiroyuki Munetsugu, Goshi Ozaki | 2023-01-31 |
| 11543768 | Image forming apparatus | Tetsuo Furukawa | 2023-01-03 |
| 11294320 | Image forming apparatus | Goshi Ozaki, Yusuke Kai | 2022-04-05 |
| 10915060 | Developing device having restricted movement, process cartridge and image forming apparatus | Tachio Kawai, Shigemi Kamoshida, Goshi Ozaki, Shohei Katsuya, Daisuke Makiguchi | 2021-02-09 |
| 10649368 | Image forming apparatus | Shunsuke Hijikata | 2020-05-12 |
| 10606205 | Image forming apparatus | — | 2020-03-31 |
| 10444665 | Image forming apparatus | Shunsuke Hijikata | 2019-10-15 |
| 10180655 | Apparatus and method for stably detaching a developing unit on an image forming apparatus | Masatoshi Takiguchi | 2019-01-15 |
| 10133215 | Developer container, developer storage unit, process cartridge, and image forming apparatus | Yu Fukasawa, Naoki Hayashi | 2018-11-20 |
| D823938 | Cartridge | Shunsuke Uratani, Takeshi Arimitsu, Ryoji Kusudo, Isao Koishi, Yu Fukasawa +3 more | 2018-07-24 |
| D823380 | Cartridge | Shunsuke Uratani, Takeshi Arimitsu, Ryoji Kusudo, Isao Koishi, Yu Fukasawa +3 more | 2018-07-17 |
| 9785091 | Developer container, developer storage unit, process cartridge, and image forming apparatus having a sealing member and an unsealing member | Yu Fukasawa, Naoki Hayashi | 2017-10-10 |
| D786968 | Process cartridge for printer | Shunsuke Uratani, Takeshi Arimitsu, Ryoji Kusudo, Isao Koishi, Yu Fukasawa +3 more | 2017-05-16 |
| 9335730 | Process cartridge and electrophotographic image forming apparatus | Ryoji Kusudo, Naoki Hayashi | 2016-05-10 |
| 8971730 | Image forming apparatus and cartridge | Minoru Kawanishi | 2015-03-03 |