Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12189331 | Positioning member, holding device, process cartridge, and image forming apparatus | Kazuki Yogosawa, Tatsuya Kubo, Yuuki Tsuchiya | 2025-01-07 |
| 11813874 | Process cartridge and image forming apparatus incorporating same | Tatsuya Kubo, Kazuki Yogosawa, Yuuki Tsuchiya | 2023-11-14 |
| 11664735 | Isolated power supply and control circuit thereof | — | 2023-05-30 |
| 11502685 | Gate drive circuit and control circuit for switching circuit, and switching power supply | Hiroki Niikura | 2022-11-15 |
| 10281866 | Image forming apparatus and process cartridge | Michiya Okamoto, Nobuyuki Taguchi, Takeshi Fukao, Takuma Iwasaki, Kentaro Nodera +1 more | 2019-05-07 |
| 9755509 | Control circuit for switching power supply | Jun Maede, Isao Yamamoto, Shigenobu Shimohagi, Yuichi Shinozaki | 2017-09-05 |
| 9722486 | Protection circuit | Yuichi Shinozaki, Isao Yamamoto, Shigenobu Shimohagi, Jun Maede | 2017-08-01 |
| 9673706 | Buck DC/DC converter and control IC thereof, communication machine for office, electric bicycle | Takeru Matsuki | 2017-06-06 |
| 9632475 | Lubricant applicator, image forming apparatus, and process cartridge | Hiroyuki Uenishi, Takeshi Shintani, Kenji Honjoh, Daisuke Tomita, Kohsuke Yamamoto +1 more | 2017-04-25 |
| 9500996 | Sealing member, toner conveying device, and image forming apparatus | Yuta Azeyanagi, Takeshi Kojima, Hajime Teraji, Hiromichi Ninomiya, Michiya Okamoto +2 more | 2016-11-22 |
| 9429895 | Cleaning device and image forming apparatus | Hajime Teraji, Hiromichi Ninomiya, Takeshi Kojima, Michiya Okamoto, Takuma Iwasaki +3 more | 2016-08-30 |
| 9395678 | Waste toner container and image forming apparatus | Hiromichi Ninomiya, Takeshi Kojima, Hajime Teraji, Michiya Okamoto, Takuma Iwasaki +4 more | 2016-07-19 |
| 9122225 | Lubricant applicator, image forming apparatus, and process cartridge | Hiroyuki Uenishi, Takeshi Shintani, Kenji Honjoh, Daisuke Tomita, Kohsuke Yamamoto +1 more | 2015-09-01 |
| 9037038 | Image carrier surface treatment device, process cartridge, and image forming apparatus | Takeshi Shintani, Kenji Honjoh, Hiroyuki Uenishi, Daisuke Tomita, Norio Kudo +1 more | 2015-05-19 |
| 9031469 | Image forming apparatus and process cartridge incorporated therein | Takuma Iwasaki, Ken Amemiya, Michiya Okamoto | 2015-05-12 |
| 8989619 | Image forming apparatus having transfer belt contact and separating mechanism interfering with removable unit | Ken Amemiya, Michiya Okamoto, Takuma Iwasaki, Hiroyuki Uenishi | 2015-03-24 |
| 8958737 | Lubricant Supplying Device, Process Cartridge, and Image Forming Apparatus | Ken Amemiya, Michiya Okamoto, Takuma Iwasaki, Yuta Azeyanagi | 2015-02-17 |
| 8934808 | Charging device, including a cleaning device to clean a charging roller | Ken Amemiya, Michiya Okamoto, Takuma Iwasaki, Yuta Azeyanagi | 2015-01-13 |
| 8918016 | Process cartridge and image forming apparatus including same | Michiya Okamoto, Ken Amemiya, Takuma Iwasaki, Hiroyuki Uenishi, Hideki Kimura | 2014-12-23 |
| 8676107 | Lubricant applying device, process cartridge, and image forming apparatus | Michiya Okamoto, Ken Amemiya, Takuma Iwasaki, Satoshi Hatori, Toshio Koike +2 more | 2014-03-18 |
| 8655205 | Waste toner container and image forming apparatus including same | Ken Amemiya, Michiya Okamoto, Takuma Iwasaki, Yuta Azeyanagi, Hiroyuki Uenishi | 2014-02-18 |
| 8620203 | Waste toner container and image forming apparatus incorporating same | Ken Amemiya, Michiya Okamoto, Takuma Iwasaki, Yuta Azeyanagi | 2013-12-31 |
| 8396408 | Cleaning device, process cartridge, and image forming apparatus | Ken Amemiya, Satoshi Hatori, Toshio Koike, Yuji Arai, Takuma Iwasaki +1 more | 2013-03-12 |
| 8280293 | Image forming apparatus | Takeshi Shintani, Nobuo Kuwabara, Satoshi Hatori, Daisuke Tomita, Akio Kosuge +3 more | 2012-10-02 |
| 8204400 | Charging device capable of efficiently charging image carrier | Takatsugu Fujishiro, Takaaki Tawada, Hiromichi Ninomiya, Takeshi Tabuchi, Naohiro Kumagai +1 more | 2012-06-19 |