Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12038717 | Process unit including first and second resin materials and image forming apparatus | Yuichi Sakakibara, Yosuke Kashiide, Hiroyuki Munetsugu, Yuko Harada, Goshi Ozaki +6 more | 2024-07-16 |
| 11971682 | Cartridge and image forming apparatus | Toshiaki Takeuchi, Yu Akiba, Shuichi Gofuku, Tomofumi Kawamura, Yusuke Atsu +1 more | 2024-04-30 |
| 11650538 | Cartridge and image forming apparatus | Toshiaki Takeuchi, Yu Akiba, Shuichi Gofuku, Tomofumi Kawamura, Yusuke Atsu +1 more | 2023-05-16 |
| 11520286 | Cartridge and image forming apparatus | Yuichi Sakakibara, Yosuke Kashiide, Hiroyuki Munetsugu, Yuko Harada, Goshi Ozaki +6 more | 2022-12-06 |
| 11199789 | Image forming unit and image forming apparatus | Yohei Kusano, Hiroki Shimizu, Toshiaki Takeuchi | 2021-12-14 |
| 10895825 | Developer accommodating container, developing device and process cartridge | Takatoshi Hamada, Naoya Asanuma, Yohei Kusano | 2021-01-19 |
| 10488785 | Developing unit, process cartridge, and image forming apparatus including process cartridge | Yuuki Nakamura, Shota Nakamura | 2019-11-26 |
| 9927737 | Developing apparatus and process cartridge | Nobuyoshi Yoshida, Shuhei Kawasaki, Akihiro Fujiwara | 2018-03-27 |
| 9625852 | Cleaning unit, process cartridge and image forming apparatus | Hiroki Shimizu, Susumu Nittani, Keisuke Nomura | 2017-04-18 |
| 9529300 | Developing device, process cartridge, and electrophotographic image forming apparatus | Tetsuo Furukawa | 2016-12-27 |
| 9360825 | Cleaning device, process cartridge, and electrophotographic image forming apparatus | Kazuo Chadani, Keisuke Nomura | 2016-06-07 |
| 9304444 | Cleaning unit, process cartridge and image forming apparatus | Hiroki Shimizu, Susumu Nittani, Keisuke Nomura | 2016-04-05 |
| 9158234 | Developing device for use with an electrophotographic image forming apparatus, process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, and an electrophotographic image forming apparatus | Tetsuo Furukawa | 2015-10-13 |
| 9075387 | Cartridge and image forming apparatus | Masato Tanabe, Hideki Maeshima | 2015-07-07 |
| 8886109 | Cleaning unit, process cartridge, and electrophotographic image forming apparatus | Kazuo Chadani, Akihiro Fujiwara, Susumu Nittani, Masato Tanabe, Keisuke Nomura | 2014-11-11 |
| 8532544 | Developer container, developing apparatus and process cartridge | Tatsuya Suzuki | 2013-09-10 |
| 8509660 | Developing apparatus and process cartridge | Masaaki Sato, Yasunori Toriyama | 2013-08-13 |
| 8380105 | Developing device, process cartridge, and electrophotographic image forming apparatus | Tetsuo Furukawa | 2013-02-19 |
| 8208838 | Developing device having light transmitting member for detecting amount of developer | Tetsuo Furukawa | 2012-06-26 |
| 8185023 | Developer container, developing apparatus and process cartridge | Tatsuya Suzuki | 2012-05-22 |
| 8019240 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus | Tatsuya Suzuki | 2011-09-13 |
| D633137 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Osamu Anan +3 more | 2011-02-22 |
| D631091 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Osamu Anan +3 more | 2011-01-18 |
| D631089 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Osamu Anan +3 more | 2011-01-18 |
| D631090 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Osamu Anan +3 more | 2011-01-18 |