Issued Patents All Time
Showing 25 most recent of 31 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, Hotaka Kakutani, Shintaro Fukuoka +12 more | 2025-04-08 |
| 12105444 | Image forming apparatus capable of suppressing increase in size | Junichi Hashimoto, Yuwen Wang, Takuya Amaike, Soun Kanada | 2024-10-01 |
| 12085872 | Image forming apparatus and method of controlling the same | Takashi Suzuki, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa | 2024-09-10 |
| 12066784 | Image forming apparatus | Nao Itabashi, Misato Osuka, Keita Shimizu, Go Iwasa, Kazutoshi Nakamura +6 more | 2024-08-20 |
| 11899388 | Image forming apparatus including development cartridge having a development memory storing toner amount information | Shintaro Suzuki, Sota Hirano | 2024-02-13 |
| 11886129 | Image forming apparatus to which solvent cartridge that can accommodate therein solvent is detachably attachable independently of developing cartridge | Yutaka Kakigahara, Satoshi Murata, Masataka Kamiya, Masaaki Furukawa, Yasuo Fukamachi +9 more | 2024-01-30 |
| 11754955 | Image forming apparatus | Shintaro Suzuki, Sota Hirano, Ayaka Komori | 2023-09-12 |
| 11650522 | Image forming apparatus capable of suppressing increase in size | Junichi Hashimoto, Yuwen Wang, Takuya Amaike, Soun Kanada | 2023-05-16 |
| 11624996 | Image forming apparatus having deterioration quantity of photosensitive drum determining capability | Ayaka Komori, Shintaro Suzuki, Sota Hirano, Marika Ozaki | 2023-04-11 |
| 11599039 | Image forming apparatus and method of controlling the same | Takashi Suzuki, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa | 2023-03-07 |
| 11500321 | Image-forming apparatus including structure for switching transmission state of driving force to photosensitive drum | Kazutoshi Nakamura, Tomitake Aratachi, Sota Hirano, Shintaro Suzuki, Ayaka Komori +1 more | 2022-11-15 |
| 11360406 | Image forming apparatus and method of controlling the same | Takashi Suzuki, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa | 2022-06-14 |
| 11333999 | Toner cartridge including shutter rotatable between first position and second position | Masaaki Furukawa, Ryosuke Hayashi, Naoya Kamimura | 2022-05-17 |
| 11226572 | Process unit, developing cartridge and toner cartridge for use with image forming apparatus | Takashi Suzuki, Takashi Shimizu, Takashi Yasuda, Yoshifumi Kajikawa | 2022-01-18 |
| 10908533 | Toner cartridge including shutter rotatable between first position and second position | Masaaki Furukawa, Ryosuke Hayashi, Naoya Kamimura | 2021-02-02 |
| 10809647 | Image forming apparatus and method of controlling the same | Takashi Suzuki, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa | 2020-10-20 |
| 10754274 | Image forming apparatus and method of controlling the same | Takashi Suzuki, Takashi Shimizu, Takashi Yasuda, Yoshifumi Kajikawa | 2020-08-25 |
| 10705455 | Toner cartridge including shutter rotatable between first position and second position | Masaaki Furukawa, Ryosuke Hayashi, Naoya Kamimura | 2020-07-07 |
| 10459367 | Image forming apparatus and method of controlling supply of developer | Ryosuke Hayashi, Takashi Shimizu, Takashi Suzuki | 2019-10-29 |
| 10386745 | Image forming apparatus and method of controlling the same | Takashi Suzuki, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa | 2019-08-20 |
| 10310428 | Image forming apparatus and method of controlling the same | Takashi Suzuki, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa | 2019-06-04 |
| 8867934 | Method for judging toner shortage and image forming apparatus | Motoyuki Itoyama, Hideji Saikoh | 2014-10-21 |
| 8855508 | Image forming apparatus, and image forming method | Hideji Saikoh, Masayasu Narimatsu, Kiyofumi Morimoto | 2014-10-07 |
| 8634730 | Image forming apparatus and image forming method using the same | Motoyuki Itoyama, Hideji Saikoh, Takeshi Ohkawa | 2014-01-21 |
| 8406641 | Image forming apparatus and toner supply method | Motoyuki Itoyama, Masayasu Narimatsu, Kohichi Takenouchi, Hideji Saikoh, Takeshi Ohkawa +3 more | 2013-03-26 |