Issued Patents All Time
Showing 1–25 of 129 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379690 | Drum cartridge including first memory having first electrical contact surface and second memory having second electrical contact surface and process cartridge including developing cartridge and the drum cartridge | Shinya Kusuda | 2025-08-05 |
| 12366817 | Developing cartridge including protrusion positioned at outer surface of casing | Kazuna Taguchi, Takuya Kanda | 2025-07-22 |
| 12339616 | Image forming apparatus including detachable process cartridge having handle on developing unit | Yuki Nagashima, Junya Sumida, Sakiho HAYAKAWA, Marika Ozaki | 2025-06-24 |
| 12287604 | Image forming apparatus including locking member configured to lock photosensitive drum relative to drawer | Shougo Sato | 2025-04-29 |
| 12282290 | Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each other | Junya Sumida, Kazutoshi Nakamura, Hideshi Nishiyama, Shinya Kusuda | 2025-04-22 |
| 12259680 | Image forming apparatus | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2025-03-25 |
| 12259675 | Process cartridge including developing cartridge having developing holder, and drum cartridge having elastic member that can be connected to developing holder | Shinya Kusuda, Kazutoshi Nakamura, Junya Sumida, Hideshi Nishiyama | 2025-03-25 |
| 12242213 | Cartridge including holder that holds electrical contact surface and has hole overlapped with the same | Shinya Kusuda, Nao Itabashi, Masaaki Furukawa, Shuhei Hatano | 2025-03-04 |
| 12210313 | Process cartridge, image forming apparatus and toner storage unit | Shougo Sato, Yasutada Kato | 2025-01-28 |
| 12210300 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Junichi Hashimoto, Saya Minoshima, Nao Itabashi +4 more | 2025-01-28 |
| 12197166 | Image forming apparatus | Kazutoshi Nakamura, Masaaki Furukawa | 2025-01-14 |
| 12130576 | Image forming apparatus and toner cartridge | Shougo Sato | 2024-10-29 |
| 12092992 | Developing cartridge including developing roller and coupling | Nao Itabashi, Hideshi Nishiyama | 2024-09-17 |
| 12092991 | Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing | Kazutoshi Nakamura, Masaaki Furukawa | 2024-09-17 |
| 12072006 | Developing device | Takashi Shimizu, Keita Shimizu, Kazutoshi Nakamura | 2024-08-27 |
| 11953855 | Image forming apparatus including locking member configured to lock photosensitive drum relative to drawer | Shougo Sato | 2024-04-09 |
| 11934113 | Developing cartridge including protrusion positioned at outer surface of casing | Kazuna Taguchi, Takuya Kanda | 2024-03-19 |
| 11914323 | Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing | Kazutoshi Nakamura, Masaaki Furukawa | 2024-02-27 |
| 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, Kazutoshi Nakamura +9 more | 2024-01-30 |
| 11815846 | Image forming apparatus | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2023-11-14 |
| 11762312 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Junichi Hashimoto, Saya Minoshima, Nao Itabashi +4 more | 2023-09-19 |
| 11747749 | Developing cartridge including movable holder for holding electrical contact surface | Shinya Kusuda | 2023-09-05 |
| 11747765 | Developing cartridge including developing roller and coupling | Nao Itabashi, Hideshi Nishiyama | 2023-09-05 |
| 11740583 | Image forming apparatus | Kazutoshi Nakamura, Masaaki Furukawa | 2023-08-29 |
| 11733639 | Image forming apparatus and toner cartridge | Shougo Sato | 2023-08-22 |