Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067947 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-20 |
| 11067948 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-20 |
| 11061364 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-13 |
| 11061366 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-13 |
| 11061367 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-13 |
| 11061368 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-07-13 |
| 11029640 | Process cartridge | Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Naoki Maeda, Satoru Harada | 2021-06-08 |
| 10955796 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-03-23 |
| 10948871 | Drum unit, cartridge and coupling member | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-03-16 |
| D910744 | Photosensitive drum for process cartridge for image forming apparatus | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2021-02-16 |
| 10719030 | Manufacturing method of cartridge and cartridge | Tetsuya Numata, Naoki Maeda | 2020-07-21 |
| 10691043 | Supporting unit, developer container, developing device, photosensitive member unit, process cartridge and manufacturing method of the supporting unit | Naoki Maeda, Tetsuya Numata | 2020-06-23 |
| 10571857 | Rotatable member, process cartridge and image forming apparatus | Fumito Nonaka, Hiroomi Matsuzaki, Koji Yamaguchi | 2020-02-25 |
| D876535 | Flange coupling for process cartridge for image forming apparatus | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano | 2020-02-25 |
| 10545431 | Manufacturing method of cartridge and cartridge | Tetsuya Numata, Naoki Maeda, Kayo Mitsugi | 2020-01-28 |
| D855105 | Flange coupling for process cartridge for image forming apparatus | Tetsuo Uesugi, Koji Yamaguchi, Takashi Yano, Yuuki Nakamura, Toshiaki Takeuchi | 2019-07-30 |
| 10324413 | Image forming apparatus having a portion to prevent a process cartridge from being inserted when the process cartridge is in a particular state | Yuuki Nakamura | 2019-06-18 |
| 10191406 | Rotatable member and electrophotographic image forming apparatus including the rotatable member | Koji Yamaguchi, Fumito Nonaka, Hiroomi Matsuzaki | 2019-01-29 |
| 10175599 | Rotating member, process cartridge, and image forming apparatus | Fumito Nonaka, Hiroomi Matsuzaki, Hiraku Sasaki, Issei Imamura, Koji Yamaguchi | 2019-01-08 |
| 9996020 | Roller, rotating member unit, cartridge, and image forming apparatus | Hiroomi Matsuzaki, Fumito Nonaka, Hiraku Sasaki, Issei Imamura, Koji Yamaguchi | 2018-06-12 |
| 9891576 | Feeding device, cleaning device, process cartridge and image forming apparatus | Toshiaki Takeuchi, Akinobu Hirayama | 2018-02-13 |
| 9684279 | Image forming apparatus with an insertion port configured for a process cartridge, usable with the image forming apparatus | Yuuki Nakamura | 2017-06-20 |
| 9500995 | Developer accommodating container and process cartridge | Shogo Satomura, Akira Suzuki | 2016-11-22 |
| 9213267 | Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit | Nobuharu Hoshi, Akira Suzuki, Kazuhiko Kanno, Tadashi Horikawa | 2015-12-15 |
| 9104139 | Developing device, process cartridge, remanufacturing method for developing device and process cartridge | Nobuharu Hoshi, Akira Suzuki | 2015-08-11 |