Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10969730 | Image forming apparatus and image forming unit | Kazutaka Sueshige, Tatsuro Harada, Takayuki Yada, Toru Oguma | 2021-04-06 |
| 10955796 | Drum unit, cartridge and coupling member | Makoto Hayashida, Koji Yamaguchi, Takashi Yano | 2021-03-23 |
| 10948871 | Drum unit, cartridge and coupling member | Makoto Hayashida, Koji Yamaguchi, Takashi Yano | 2021-03-16 |
| D910744 | Photosensitive drum for process cartridge for image forming apparatus | Makoto Hayashida, Koji Yamaguchi, Takashi Yano | 2021-02-16 |
| 10824106 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tomonori Mori | 2020-11-03 |
| 10671013 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Masato Tanabe, Tomonori Mori, Daisuke Abe, Tadayuki Tsuda, Hideshi Kawaguchi | 2020-06-02 |
| 10620567 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Kojiro Yasui +1 more | 2020-04-14 |
| D876535 | Flange coupling for process cartridge for image forming apparatus | Makoto Hayashida, Koji Yamaguchi, Takashi Yano | 2020-02-25 |
| 10539915 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tomonori Mori | 2020-01-21 |
| D855105 | Flange coupling for process cartridge for image forming apparatus | Makoto Hayashida, Koji Yamaguchi, Takashi Yano, Yuuki Nakamura, Toshiaki Takeuchi | 2019-07-30 |
| 10175609 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Kojiro Yasui +1 more | 2019-01-08 |
| 9885978 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Kojiro Yasui +1 more | 2018-02-06 |
| 9811049 | Cartridge and image forming apparatus | Akira Suzuki, Hiroomi Matsuzaki, Shogo Satomura | 2017-11-07 |
| 9665040 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Kojiro Yasui +1 more | 2017-05-30 |
| 9529304 | Developer accommodating unit, process cartridge, and electrophotographic image forming apparatus | Kojiro Yasui, Masaaki Matsushita, Masatomi Yoshida, Hiroomi Matsuzaki, Tatsuo Fujisaki +2 more | 2016-12-27 |
| 9417556 | Cartridge and image forming apparatus | Akira Suzuki, Hiroomi Matsuzaki, Shogo Satomura | 2016-08-16 |
| 9354553 | Developer accommodating container, process cartridge and electrophotographic image forming apparatus | Masatomi Yoshida, Masaki Furutani, Masaaki Matsushita, Seiichi Shinohara | 2016-05-31 |
| 9310717 | Developer accommodating container, developing device, process cartridge and image forming apparatus | Tomonori Matsunaga, Junichi Matsumura | 2016-04-12 |
| 9302801 | Developer accommodating unit, manufacturing method thereof, process cartridge and image forming apparatus | Junichi Matsumura, Masaaki Matsushita, Koji Yamaguchi, Tatsuo Fujisaki, Kojiro Yasui +1 more | 2016-04-05 |
| 9304440 | Developer accommodating unit, process cartridge and electrophotographic image forming apparatus | Masatomi Yoshida, Masaki Furutani, Kojiro Yasui | 2016-04-05 |
| 9207581 | Developer accommodating unit, developing device, process cartridge and image forming apparatus | Koji Wada, Takashi Kase, Takayuki Kanazawa, Yusuke Usui, Masaki Furutani +5 more | 2015-12-08 |
| 9146500 | Developer accommodating unit | Masaki Furutani, Kojiro Yasui, Hiroomi Matsuzaki | 2015-09-29 |
| 9063464 | Developer containing unit, process cartridge, and electrophotographic image forming apparatus | Masaki Furutani, Koji Yamaguchi, Junichi Matsumura, Tomonori Matsunaga | 2015-06-23 |
| 8824918 | Developer accommodating unit, process cartridge, electrophotographic image forming apparatus | Yosuke Kashiide, Junichi Matsumura, Masaki Furutani, Masaaki Matsushita, Hiroomi Matsuzaki +3 more | 2014-09-02 |
| D622308 | Process cartridge | Takeshi Kubota, Teruhiko Sasaki, Fumito Nonaka, Shunsuke Uratani, Takuya Kawakami +2 more | 2010-08-24 |