Issued Patents All Time
Showing 26–50 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10663886 | Development cartridge, process cartridge, and image forming apparatus | Tachio Kawai, Hiroyuki Munetsugu, Mitsuhiro Sato, Yu Fukasawa, Hideki Nagae +1 more | 2020-05-26 |
| 10564591 | Photosensitive member unit and electrophotographic image forming apparatus | Masanari Morioka, Hiroshi Takarada | 2020-02-18 |
| 10353339 | Cartridge with restriction member for restricting relative movement of toner cartridge and process cartridge | Isao Koishi, Masaaki Sato, Hiroshi Takarada, Keita Moue, Toshiyuki Karakama | 2019-07-16 |
| 10310410 | Development cartridge, process cartridge, and image forming apparatus | Tachio Kawai, Hiroyuki Munetsugu, Mitsuhiro Sato, Yu Fukasawa, Hideki Nagae +1 more | 2019-06-04 |
| D832339 | Process cartridge for image forming apparatus | Masanari Morioka, Tetsushi Uneme, Yuichi Fukui | 2018-10-30 |
| 10082750 | Cleaning device and process cartridge | Yuichi Fukui | 2018-09-25 |
| 10067444 | Remanufacturing method of developer accommodating unit | Yuta Isobe, Takashi Kase, Kouki Yano, Takahiro Ikeda, Yusuke Usui +5 more | 2018-09-04 |
| 9910387 | Remanufacturing method of developer accommodating unit | Yuta Isobe, Takashi Kase, Kouki Yano, Takahiro Ikeda, Yusuke Usui +5 more | 2018-03-06 |
| D807955 | Side cover for process cartridge for image forming device | Masanari Morioka, Tetsushi Uneme, Yuichi Fukui | 2018-01-16 |
| D798949 | Process cartridge for image forming apparatus | Masanari Morioka, Tetsushi Uneme, Yuichi Fukui | 2017-10-03 |
| D798948 | Process cartridge for image forming apparatus | Masanari Morioka, Ryosuke Nakazawa, Yuichi Fukui, Tetsushi Uneme | 2017-10-03 |
| 9733612 | Cartridge package and packageable process cartridge | Yuichi Fukui, Taiji Watanabe, Kengo Sakai | 2017-08-15 |
| D791862 | Process cartridge for image forming apparatus | Masanari Morioka, Ryosuke Nakazawa, Yuichi Fukui, Tetsushi Uneme | 2017-07-11 |
| D791224 | Process cartridge for image forming apparatus | Masanari Morioka, Ryosuke Nakazawa, Yuichi Fukui, Tetsushi Uneme | 2017-07-04 |
| D786962 | Side cover for process cartridge for image forming device | Masanari Morioka, Tetsushi Uneme, Yuichi Fukui | 2017-05-16 |
| 9639053 | Image forming apparatus and cartridge group | Toshiki Fujino, Yuichi Fukui | 2017-05-02 |
| 9535372 | Remanufacturing method of developer accommodating unit | Yuta Isobe, Takashi Kase, Kouki Yano, Takahiro Ikeda, Yusuke Usui +5 more | 2017-01-03 |
| 9304488 | Cartridge package and packageable process cartridge | Yuichi Fukui, Taiji Watanabe, Kengo Sakai | 2016-04-05 |
| 9285712 | Developing device and process cartridge for suppressing toner leakage | Kazuhiko Kanno | 2016-03-15 |
| 9213266 | Development apparatus and cartridge with sealing member to prevent leakage of developer | — | 2015-12-15 |
| 8712284 | Process cartridge and electrophotographic image forming apparatus | Akira Yoshimura, Susumu Nittani | 2014-04-29 |
| 8626031 | Image forming apparatus | Takahito Ueno, Shigeo Miyabe | 2014-01-07 |
| 8521060 | Cartridge with a protecting member and a sealing member for sealing a developer supply opening | Tetsuya Numata, Shigeo Miyabe, Takahito Ueno | 2013-08-27 |
| 8355653 | Development cartridge | Tetsushi Uneme | 2013-01-15 |
| 8301054 | Process cartridge and image forming apparatus | Masato Tanabe, Susumu Nittani, Tomio Noguchi | 2012-10-30 |