Issued Patents All Time
Showing 1–25 of 219 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405568 | Image forming apparatus including coupling member selectively coupled to photosensitive drum | Yasushi Okabe | 2025-09-02 |
| 12300504 | Film processing method and semiconductor device manufacturing method | Mitsuhiro Omura, Toshiyuki Sasaki | 2025-05-13 |
| 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 |
| 12228867 | Toner cartridge including conveyer member rotatable about axis inside casing and shutter rotatable about the axis from closed position to open position | Yuwen Wang, Takuya Amaike | 2025-02-18 |
| 12210300 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Yasuo Fukamachi, Saya Minoshima, Nao Itabashi +4 more | 2025-01-28 |
| 12197168 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Isao Kishi, Kazuaki Ooka | 2025-01-14 |
| 12174557 | Developer cartridge | Yuwen Wang, Kazuaki Ooka, Isao Kishi | 2024-12-24 |
| 12169008 | Disk brake | Miyuki UNO, Shinji Suzuki, Yoshihiro Iwama, Masaru Oda | 2024-12-17 |
| 12164261 | Drum cartridge including drum contact movable in accordance with attachment of drum cartridge to main frame | Yuwen Wang, Takuya Amaike, Masayoshi Mita | 2024-12-10 |
| 12147171 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Shota Iriyama, Keigo Nakajima, Kengo Yada | 2024-11-19 |
| 12105444 | Image forming apparatus capable of suppressing increase in size | Yuwen Wang, Takuya Amaike, Soun Kanada, Kazuma Hinoue | 2024-10-01 |
| 12061438 | Drum unit capable of suppressing complication of wiring | Yuwen Wang, Takuya Amaike | 2024-08-13 |
| 12040155 | Method of manufacturing semiconductor device and ion beam irradiation apparatus | Toshiyuki Sasaki | 2024-07-16 |
| 12032329 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Isao Kishi, Kazuaki Ooka | 2024-07-09 |
| 12032307 | Developing cartridge having electrode contactable with another electrode by pivot motion of the cartridge | Yuwen Wang, Isao Kishi, Kazuaki Ooka | 2024-07-09 |
| 12007714 | Image forming apparatus including coupling member selectively coupled to photosensitive drum | Yasushi Okabe | 2024-06-11 |
| 11947310 | Developing cartridge including first and second inclined surfaces, elastic member, and first protrusion | Yuwen Wang | 2024-04-02 |
| 11930711 | Vibration structure and vibration generator | Jun Endo, Toru Tominaga, Shozo Otera | 2024-03-12 |
| 11921457 | Drum unit | Yuwen Wang, Isao Kishi, Kazuaki Ooka | 2024-03-05 |
| 11846893 | Developing cartridge including blade and blade holder for supporting end portion of blade | Yuwen Wang | 2023-12-19 |
| 11785855 | Piezoelectric device, vibration structure and piezoelectric sensor | Jun Endo, Toru Tominaga, Shozo Otera | 2023-10-10 |
| 11762312 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Yasuo Fukamachi, Saya Minoshima, Nao Itabashi +4 more | 2023-09-19 |
| 11714378 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Isao Kishi, Kazuaki Ooka | 2023-08-01 |
| 11693331 | Developer cartridge | Yuwen Wang, Kazuaki Ooka, Isao Kishi | 2023-07-04 |
| 11650522 | Image forming apparatus capable of suppressing increase in size | Yuwen Wang, Takuya Amaike, Soun Kanada, Kazuma Hinoue | 2023-05-16 |