Issued Patents All Time
Showing 76–100 of 270 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11385571 | Developing cartridge including housing and gear | — | 2022-07-12 |
| 11347176 | Image forming apparatus | — | 2022-05-31 |
| 11347162 | Developing cartridge | — | 2022-05-31 |
| 11294325 | Image forming apparatus with a memory positioned on a drum frame | Junichi Yokoi | 2022-04-05 |
| 11287761 | Image forming apparatus having sensor to detect whether developing roller is at separation position | — | 2022-03-29 |
| 11275337 | Developing cartridge | Junichi Yokoi | 2022-03-15 |
| 11262695 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | Isao Kishi, Yohei Hashimoto, Kouji Watanabe, Makoto Souda | 2022-03-01 |
| 11226580 | Drum cartridge and image forming apparatus | Atsushi Fukaya, Hiroki Mori, Tsubasa Kiriyama | 2022-01-18 |
| 11221567 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2022-01-11 |
| 11150602 | Mounting arrangement for drum cartridge and developing cartridge | — | 2021-10-19 |
| 11137697 | Developing cartridge having pivotable developing electrode | — | 2021-10-05 |
| 11112756 | Drum cartridge including electrical contact surface movable relative to drum frame | Naoya Kamimura | 2021-09-07 |
| 11112755 | Drum cartridge including movable electrical contact surface, and image-forming apparatus using the same | — | 2021-09-07 |
| 11099501 | Toner cartridge having toner memory and attachable to drum cartridge having drum memory | Tsubasa Kiriyama, Hiroki Mori, Atsushi Fukaya | 2021-08-24 |
| 11073786 | Developing cartridge | Junichi Yokoi | 2021-07-27 |
| 11067919 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2021-07-20 |
| 11054787 | Drum cartridge having electrical contact surface positioned at outer surface of drum frame | Hiroki Mori, Atsushi Fukaya, Tsubasa Kiriyama | 2021-07-06 |
| 11042105 | Developing cartridge including housing and gear | — | 2021-06-22 |
| 11029624 | Developing cartridge | — | 2021-06-08 |
| 11022912 | Developing cartridge having coupling and developing roller | Naoya Kamimura | 2021-06-01 |
| 11022936 | Developing cartridge including developing roller and coupling | Hideshi Nishiyama, Yasuo Fukamachi | 2021-06-01 |
| 11022931 | Developing cartridge having a member with a hole and a lever received in the hole | — | 2021-06-01 |
| 11003107 | Developing cartridge | — | 2021-05-11 |
| 10969729 | Image forming apparatus | — | 2021-04-06 |
| 10962928 | Image forming apparatus capable of determining whether toner cartridge is attached to appropriate slot provided in main casing | Takashi Suzuki, Tomoyasu Yabuki, Tadao Kyotani | 2021-03-30 |