Issued Patents All Time
Showing 26–50 of 129 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11635708 | Developing cartridge including protrusion positioned at outer surface of casing | Kazuna Taguchi, Takuya Kanda | 2023-04-25 |
| 11567446 | Process cartridge configured of developing cartridge including electrical contact surface, and drum cartridge including electrical contact surface and lock lever | Shinya Kusuda | 2023-01-31 |
| 11474473 | Image forming apparatus including drum cartridge having waste toner accumulating unit in which waste toner is accumulated | Masaaki Furukawa, Takashi Shimizu, Shinya Kusuda, Tomitake Aratachi, Keita Shimizu +2 more | 2022-10-18 |
| 11467530 | Image forming apparatus | Shougo Sato | 2022-10-11 |
| 11454919 | Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2022-09-27 |
| 11448289 | Developing device | Takashi Shimizu, Keita Shimizu, Kazutoshi Nakamura | 2022-09-20 |
| 11442377 | Developing cartridge including movable holder for holding electrical contact surface | Shinya Kusuda | 2022-09-13 |
| 11401121 | Sheet tray and image forming device | Kazutoshi Nakamura, Keita Shimizu | 2022-08-02 |
| 11333996 | Developing cartridge attachable to drum cartridge and having electrical contact surface electrically connected to developing memory | Shinya Kusuda | 2022-05-17 |
| 11327418 | Developing cartridge including protrusion positioned at outer surface of casing | Kazuna Taguchi, Takuya Kanda | 2022-05-10 |
| 11314200 | Image forming apparatus | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2022-04-26 |
| 11249438 | Image forming apparatus | Kazutoshi Nakamura, Masaaki Furukawa | 2022-02-15 |
| 11237516 | Image forming apparatus having a covering mechanism for a photosensitive drum in a cartridge | Shougo Sato | 2022-02-01 |
| 11231665 | Toner cartridge including detection gear, agitator gear, auger gear, and toner outlet | Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe, Shinya Kusuda, Tomoya Yamamoto | 2022-01-25 |
| 11188008 | Image forming apparatus including first and second guide frames for guiding attachment of drum cartridge to which developing cartridge is attached | Shinya Kusuda | 2021-11-30 |
| 11119438 | Image forming apparatus and toner cartridge | Shougo Sato | 2021-09-14 |
| 11036176 | Image forming apparatus | Shougo Sato | 2021-06-15 |
| 11028903 | Developing device | Takashi Shimizu, Keita Shimizu, Kazutoshi Nakamura | 2021-06-08 |
| 11022936 | Developing cartridge including developing roller and coupling | Nao Itabashi, Hideshi Nishiyama | 2021-06-01 |
| 11009826 | Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2021-05-18 |
| 10948851 | Image forming apparatus | Takashi Shimizu, Keita Shimizu, Kazutoshi Nakamura, Kasuma Hinoue | 2021-03-16 |
| 10928750 | Developing cartridge including protrusion positioned at outer surface of casing | Kazuna Taguchi, Takuya Kanda | 2021-02-23 |
| 10866557 | Image forming apparatus | Kazutoshi Nakamura, Masaaki Furukawa | 2020-12-15 |
| 10866556 | Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2020-12-15 |
| 10859967 | Image forming apparatus | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2020-12-08 |