Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9632451 | Developing apparatus, process cartridge and unit | Naoki Hayashi, Masaaki Sato, Fuyuki Sugihara | 2017-04-25 |
| 9541863 | Developer accommodating unit, developing device, process catridge and electrophotographic image forming apparatus | Noritomo Yamaguchi, Yuichi Fukui | 2017-01-10 |
| 9535372 | Remanufacturing method of developer accommodating unit | Yuta Isobe, Takashi Kase, Kouki Yano, Takahiro Ikeda, Yusuke Usui +5 more | 2017-01-03 |
| 9483016 | Photosensitive drum and process cartridge | Yukio Kubo, Makoto Nishigaki | 2016-11-01 |
| 9429906 | Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion | Akira Yoshimura, Tomio Noguchi, Yukio Kubo, Masaaki Sato, Satoshi Nishiya | 2016-08-30 |
| 9377714 | Developer accommodating unit with frames for accommodating a developer accommodating member | Ryosuke Nakazawa, Hiroyuki Munetsugu | 2016-06-28 |
| 9285756 | Regulating device, image bearing member cleaning device, developing device, cleaning device, process cartridge and image forming apparatus | Susumu Nittani, Hideki Maeshima | 2016-03-15 |
| 9256161 | Process cartridge, developing device and image forming apparatus | Naoki Hayashi, Masanari Morioka | 2016-02-09 |
| 9213306 | Cartridge and image forming apparatus | Masanari Morioka, Hiroyuki Munetsugu | 2015-12-15 |
| 9122235 | Process cartridge and image forming apparatus with means to regulate movement of developing unit with respect to drum unit in axial direction of developing roller | Yuichi Fukui, Noritomo Yamaguchi, Tatsuya Suzuki, Satoshi Nishiya, Masaaki Sato | 2015-09-01 |
| 9052640 | Developer accommodating unit, developing device, process cartridge and electrophotographic image forming apparatus | Noritomo Yamaguchi, Yuichi Fukui | 2015-06-09 |
| 9052686 | Process cartridge | Hiroyuki Munetsugu, Tatsuya Suzuki | 2015-06-09 |
| 8831487 | Regulating device, image bearing member cleaning device, developing device, cleaning device, process cartridge and image forming apparatus | Susumu Nittani, Hideki Maeshima | 2014-09-09 |
| 8824918 | Developer accommodating unit, process cartridge, electrophotographic image forming apparatus | Junichi Matsumura, Masaki Furutani, Masaaki Matsushita, Tetsuo Uesugi, Hiroomi Matsuzaki +3 more | 2014-09-02 |
| 8583001 | Developing device and process cartridge | Yukio Kubo, Susumu Nittani | 2013-11-12 |