Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210300 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima, Nao Itabashi +4 more | 2025-01-28 |
| 12174560 | Toner cartridge and drum cartridge | Saya Minoshima, Keita Shimizu | 2024-12-24 |
| 12140882 | Developing cartridge including electrical contact surface positioned away from developing roller | Saya Minoshima, Keita Shimizu | 2024-11-12 |
| 11762312 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima, Nao Itabashi +4 more | 2023-09-19 |
| 11500321 | Image-forming apparatus including structure for switching transmission state of driving force to photosensitive drum | Kazutoshi Nakamura, Sota Hirano, Kazuma Hinoue, Shintaro Suzuki, Ayaka Komori +1 more | 2022-11-15 |
| 11474473 | Image forming apparatus including drum cartridge having waste toner accumulating unit in which waste toner is accumulated | Masaaki Furukawa, Takashi Shimizu, Shinya Kusuda, Yasuo Fukamachi, Keita Shimizu +2 more | 2022-10-18 |
| 11048203 | Developing cartridge including engaging member movable with helical gear and engageable with gear cover | Keita Shimizu | 2021-06-29 |
| 10678182 | Developing cartridge including engaging member movable with helical gear and engageable with gear cover | Keita Shimizu | 2020-06-09 |
| 9958826 | Drive source support configuration for an image forming apparatus | Tomoyuki Mizuno, Tomonori Watanabe | 2018-05-01 |
| 9594328 | Image forming apparatus having cartridge detachably mounted therein | Satoru Ishikawa | 2017-03-14 |
| 9169870 | Gear system and image forming apparatus | Hiroshi Igarashi | 2015-10-27 |
| 9141030 | Image forming system including a plurality of types of developing cartridges and a plurality of types of image carrier cartridges | Takashi Shimizu, Satoru Ishikawa | 2015-09-22 |
| 9092006 | Image forming apparatus having cartridge detachably mounted therein | Satoru Ishikawa | 2015-07-28 |
| 8657278 | Image forming apparatus | Naoto Ozeki, Masamitsu Ukai, Atsushi Mikuni, Wei-Ming Wang | 2014-02-25 |
| 8655229 | Image forming apparatus | Yoshiteru Hattori | 2014-02-18 |
| 8634749 | Image forming apparatus | Yoshiteru Hattori | 2014-01-21 |
| 8540234 | Image forming apparatus | Yasunori Akatsuka | 2013-09-24 |
| 8417177 | Image forming apparatus having lowered image forming position and recessed sheet stacking portion | Sakae Ito, Shusaku Tsusaka, Yasuo Tamaru, Terumasa Ito | 2013-04-09 |
| 8412072 | Fixing device and image-forming apparatus | Seiichi Senda, Makoto Souda, Kiyoshi Sugimoto | 2013-04-02 |
| 8401428 | Fixing device having a thermistor and a support member for supporting the thermistor | Masaki Yasuda | 2013-03-19 |
| 8285182 | Fixing device used for image forming device with heating roller and peeler | Hiroshi Igarashi | 2012-10-09 |
| 8280288 | Image forming device having protection member for protecting peeling claw | — | 2012-10-02 |
| 8265528 | Developer electric field conveyer and developer feeder configuration for an image forming apparatus | — | 2012-09-11 |
| 8032049 | Image forming device with duct | Yoshito Takakuwa | 2011-10-04 |
| 7792471 | Developer electric field conveyer, developer feeder, and image forming apparatus | — | 2010-09-07 |