Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1092422 | Heat exchange plate | Masahito Doi | 2025-09-09 |
| 12386306 | Transfer belt unit and image forming apparatus | — | 2025-08-12 |
| 12332598 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Nao Itabashi, Kazuya Kamikawa, Kazuaki Ooka | 2025-06-17 |
| 12298083 | Temperature control unit and temperature control device | Hideki Moriuchi, Katsuya Okumura | 2025-05-13 |
| D1073913 | Heat exchange plate | Masahito Doi | 2025-05-06 |
| 12271142 | Developing cartridge including electrically non-conductive collar covering end portion of developing-roller shaft | Nao Itabashi | 2025-04-08 |
| D1068920 | Photosensitive drum unit | Go Iwasa | 2025-04-01 |
| 12249521 | Temperature control unit | Hideki Moriuchi | 2025-03-11 |
| D1066479 | Toner cartridge | Tsubasa Kiriyama | 2025-03-11 |
| 12242213 | Cartridge including holder that holds electrical contact surface and has hole overlapped with the same | Shinya Kusuda, Nao Itabashi, Masaaki Furukawa, Yasuo Fukamachi | 2025-03-04 |
| 12124210 | Developing cartridge including casing, and first lever pivotally movable about shaft thereof relative to casing | — | 2024-10-22 |
| 12104857 | Heat storage unit | Katsuya Okumura, Ritsu Kawase, Hideki Moriuchi | 2024-10-01 |
| 12032326 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Nao Itabashi, Kazuya Kamikawa, Kazuaki Ooka | 2024-07-09 |
| 11985795 | Temperature control unit | Hideki Moriuchi | 2024-05-14 |
| 11947306 | Developing cartridge including electrically non-conductive collar covering end portion of developing-roller shaft | Nao Itabashi | 2024-04-02 |
| 11829097 | Transfer belt unit and image forming apparatus | — | 2023-11-28 |
| 11774903 | Developing cartridge including casing, and first lever pivotally movable about shaft thereof relative to casing | — | 2023-10-03 |
| 11693353 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Nao Itabashi, Kazuya Kamikawa, Kazuaki Ooka | 2023-07-04 |
| 11526119 | Developing cartridge including first separation member at first outer surface of casing, and second separation member at second outer surface of casing | Wataru Yamaguchi, Yasuhiro Hosokawa, Nao Itabashi | 2022-12-13 |
| 11513467 | Developing cartridge including casing, and first lever pivotally movable about shaft thereof relative to casing | — | 2022-11-29 |
| 11442395 | Transfer belt unit including belt frame, holder movable relative thereto, electrical contact surface held thereby, and storage element electrically connected thereto | — | 2022-09-13 |
| 11435690 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Nao Itabashi, Kazuya Kamikawa, Kazuaki Ooka | 2022-09-06 |
| 11274003 | Image forming apparatus that controls the speed difference between a transfer belt and a conveying unit or a fixing unit | Junichi Hashimoto, Masafumi Inoue, Shuji Ota | 2022-03-15 |
| 11079715 | Transfer belt unit and image forming apparatus | — | 2021-08-03 |
| 11067936 | Transfer belt unit including belt frame, holder movable relative thereto, electrical contact surface held thereby, and storage element electrically connected thereto | — | 2021-07-20 |