Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292711 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2025-05-06 |
| 12174582 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2024-12-24 |
| 12130581 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2024-10-29 |
| 11687029 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2023-06-27 |
| 11320782 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2022-05-03 |
| 11314201 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2022-04-26 |
| 11099503 | Image forming apparatus | Takuya Oka, Yasukazu Ikami, Shinichi Agata | 2021-08-24 |
| 11073788 | Process cartridge providing fixation layer to developer on image bearing member and image forming apparatus | Takuya Oka, Yasukazu Ikami | 2021-07-27 |
| 11073781 | Image forming apparatus that suppresses occurrence of image smearing by maintaining a metal soap on a surface of a photoconductor | Kosuke Ikada, Go Shindo, Keitaro Nakata, Hisashi Yamauchi, Shinichi Agata +2 more | 2021-07-27 |
| 11022933 | Process cartridge, image forming apparatus and cleaning apparatus | Kazunori Hashimoto, Katsuhiro Kojima, Toshiaki Takeuchi, Yasukazu Ikami, Kosuke Ikada +8 more | 2021-06-01 |
| 11003106 | Process cartridge and image forming apparatus | Shinichi Agata, Shinichi Hagiwara, Kosuke Ikada, Kentaro Yamawaki | 2021-05-11 |
| 10990053 | Image forming apparatus, cartridge, image forming system, and storage medium for correcting exposure amounts | Go Araki | 2021-04-27 |
| 10976685 | Image forming apparatus to perform an activation control using a developing bias applying member and a speed control unit | Takuya Oka, Yasukazu Ikami | 2021-04-13 |
| 10955792 | Process cartridge including photosensitive member having multiple grooves and image forming apparatus including the process cartridge | Shunsuke Matsushita, Yasukazu Ikami, Shinichi Hagiwara, Kosuke Ikada, Katsuyuki Nonaka | 2021-03-23 |
| 10877395 | Developing device, process cartridge and image forming apparatus | Takuya Oka, Shuhei Kawasaki | 2020-12-29 |
| 10852662 | Developing device, process cartridge and image forming apparatus | Takuya Oka, Akinobu Saito, Shinichi Agata, Kentaro Yamawaki | 2020-12-01 |
| 10852175 | Image forming apparatus | Shuhei Kawasaki, Kodai Hayashi, Shunsuke Matsushita | 2020-12-01 |
| 10838356 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuki | 2020-11-17 |
| 10761453 | Developing device, process cartridge, and image forming apparatus | Takayoshi Kihara, Shuhei Kawasaki, Yasukazu Ikami, Shunsuke Matsushita, Takuya Oka | 2020-09-01 |
| 10732534 | Process cartridge and image forming apparatus | Go Shindo, Shinichi Hagiwara, Kosuke Ikada, Kentaro Yamawaki | 2020-08-04 |
| 10691063 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2020-06-23 |
| 10520884 | Cartridge and image forming apparatus | Yasukazu Ikami, Takuya Oka | 2019-12-31 |
| 9964921 | Process cartridge and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku | 2018-05-08 |
| 9804521 | Image forming apparatus operable in plural speeds and having selective control of separation between image bearing member and belt | Hisashi Taniguchi, Yusuke Jota | 2017-10-31 |
| 9804549 | Image forming apparatus | Shuhei Kawasaki, Kodai Hayashi, Shunsuke Matsushita | 2017-10-31 |