Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271126 | Image forming apparatus configured to perform cleaning operation for cleaning drum cleaning roller configured to collect toner on photosensitive drum | Toshio Furukawa, Koji Ogawa, Fan Xu, Kazuma Hinoue, Hotaka Kakutani +12 more | 2025-04-08 |
| 12105444 | Image forming apparatus capable of suppressing increase in size | Junichi Hashimoto, Yuwen Wang, Takuya Amaike, Kazuma Hinoue | 2024-10-01 |
| 11662676 | Image forming apparatus and control method | Yuki Fukusada, Tatsuya Koyama, Kotaro Fujishiro | 2023-05-30 |
| 11650522 | Image forming apparatus capable of suppressing increase in size | Junichi Hashimoto, Yuwen Wang, Takuya Amaike, Kazuma Hinoue | 2023-05-16 |
| 9766572 | Developing cartridge and process cartridge | Shota Iriyama, Takashi Shimizu | 2017-09-19 |
| 9703258 | Developing cartridge and process cartridge | Satoru Ishikawa, Hiroya Fukuta, Ryuji Noda, Takashi Shimizu | 2017-07-11 |
| 9507315 | Developing cartridge provided with supply electrode and protecting portion capable of protecting supply electrode | Shota Iriyama, Takashi Shimizu, Atsushi Fukaya | 2016-11-29 |
| 9417558 | Development cartridge, process cartridge, and image forming apparatus having the same | Takashi Shimizu, Atsushi Fukaya, Hirofumi Kuriki, Hiroya Fukuta | 2016-08-16 |
| 9360793 | Developing cartridge and process cartridge | Shota Iriyama, Takashi Shimizu | 2016-06-07 |
| 9280129 | Developer cartridge | Keita Shimizu, Satoru Ishikawa | 2016-03-08 |
| 9256195 | Development cartridge, process cartridge, and image forming apparatus having the same | Takashi Shimizu, Atsushi Fukaya, Hirofumi Kuriki, Hiroya Fukuta | 2016-02-09 |
| 9195165 | Developing cartridge and process cartridge | Shota Iriyama, Takashi Shimizu | 2015-11-24 |
| 9116463 | Seal configuration for suppressing developer leakage in a developing device | Hiroshi Handa | 2015-08-25 |