Issued Patents All Time
Showing 25 most recent of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1093475 | Photosensitive drum unit | Ryuji Noda, Takashi Shimizu, Hideshi Nishiyama | 2025-09-16 |
| 12360493 | Developing cartridge | Haruka KIZU | 2025-07-15 |
| 12295190 | Light-emitting device and method of manufacturing the light-emitting device | Shogo Abe, Takashi Kadota | 2025-05-06 |
| 12282270 | Developer cartridge provided with gear having engagement portions | Takashi Shimizu, Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe | 2025-04-22 |
| 12271145 | Image forming apparatus | Masao Ichiyanagi | 2025-04-08 |
| 12204275 | Developing cartridge providing layout of electrodes and detection gear | Tomoya Ichikawa, Takashi Shimizu, Kazuna Taguchi | 2025-01-21 |
| 12174560 | Toner cartridge and drum cartridge | Saya Minoshima, Tomitake Aratachi | 2024-12-24 |
| 12164263 | Toner cartridge including memory holder cover having pawl engaged with hook of gear cover | Ryuji Noda | 2024-12-10 |
| 12140882 | Developing cartridge including electrical contact surface positioned away from developing roller | Saya Minoshima, Tomitake Aratachi | 2024-11-12 |
| 12092974 | Toner cartridge attachable to image forming apparatus | Hideshi Nishiyama | 2024-09-17 |
| 12072006 | Developing device | Takashi Shimizu, Yasuo Fukamachi, Kazutoshi Nakamura | 2024-08-27 |
| 12066784 | Image forming apparatus | Nao Itabashi, Misato Osuka, Go Iwasa, Kazutoshi Nakamura, Ryosuke Hayashi +6 more | 2024-08-20 |
| 11994825 | Image forming apparatus | Masao Ichiyanagi | 2024-05-28 |
| 11982973 | Developing cartridge | Haruka KIZU | 2024-05-14 |
| 11892798 | Image forming apparatus capable of making toner cartridge completely attached to drum cartridge during attachment of drum cartridge to housing | Ryuji Noda | 2024-02-06 |
| 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 |
| 11803154 | Developing cartridge providing layout of electrodes and detection gear | Tomoya Ichikawa, Takashi Shimizu, Kazuna Taguchi | 2023-10-31 |
| 11740569 | Developing cartridge including coupling and clutch for allowing rotation of coupling in first direction and stopping rotation of coupling in second direction | — | 2023-08-29 |
| 11714379 | Image forming apparatus | Masao Ichiyanagi | 2023-08-01 |
| 11635707 | Toner cartridge attachable to image forming apparatus | Hideshi Nishiyama | 2023-04-25 |
| 11604433 | Developing cartridge providing layout of electrodes and detection gear | Tomoya Ichikawa, Takashi Shimizu, Kazuna Taguchi | 2023-03-14 |
| 11579543 | Developer cartridge provided with gear having engagement portions | Takashi Shimizu, Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe | 2023-02-14 |
| 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, Yasuo Fukamachi +2 more | 2022-10-18 |
| 11456402 | Light-emitting device and method of manufacturing the light-emitting device | Shogo Abe, Takashi Kadota | 2022-09-27 |
| 11448999 | Image forming apparatus | Masao Ichiyanagi | 2022-09-20 |