Issued Patents All Time
Showing 25 most recent of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12222673 | Image forming apparatus and process cartridge including protrusion to receive a force for moving developing roller | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2025-02-11 |
| 12210312 | Image forming apparatus having toner replenishment | Masaaki Sato, Kenji Matsuzaka, Koji Fujinaka, Takao Sameshima, Akitoshi Toyota +2 more | 2025-01-28 |
| 12124188 | Techniques and mechanisms for supplying toner to an image forming apparatus | Kei Hayashida, Kenji Matsuzaka, Takahiro Azeta | 2024-10-22 |
| 12111601 | Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unit | Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Kenji Matsuzaka, Takao Sameshima +3 more | 2024-10-08 |
| 11947305 | Image forming apparatus having toner replenishment | Masaaki Sato, Kenji Matsuzaka, Koji Fujinaka, Takao Sameshima, Akitoshi Toyota +2 more | 2024-04-02 |
| 11846894 | Image forming apparatus and image forming system | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Takao Sameshima +2 more | 2023-12-19 |
| 11815831 | Image forming apparatus having a mechanism to restrict or allow toner replenishment | Shinji Kubo, Kenji Matsuzaka, Kenichi Tagami | 2023-11-14 |
| 11754970 | Process cartridge having a protrusion with a surface configured to receive a force to move a frame of the process cartridge | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2023-09-12 |
| 11669024 | Image forming apparatus with mechanism for supplying the image forming apparatus with toner | Kei Hayashida, Kenji Matsuzaka, Takahiro Azeta | 2023-06-06 |
| 11599058 | Image forming apparatus and process cartridge | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2023-03-07 |
| 11573521 | Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unit | Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Kenji Matsuzaka, Takao Sameshima +3 more | 2023-02-07 |
| 11556088 | Image forming apparatus having toner replenishment | Masaaki Sato, Kenji Matsuzaka, Koji Fujinaka, Takao Sameshima, Akitoshi Toyota +2 more | 2023-01-17 |
| 11467514 | Image forming apparatus and image forming system | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Takao Sameshima +2 more | 2022-10-11 |
| 11209755 | Image forming apparatus having a detachable toner replenishment container | Shinji Kubo, Kenji Matsuzaka, Kenichi Tagami | 2021-12-28 |
| 11156954 | Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2021-10-26 |
| 11156940 | Image forming apparatus with a mechanism for supplying toner for forming an image, and method thereof | Kei Hayashida, Kenji Matsuzaka, Takahiro Azeta | 2021-10-26 |
| 10983471 | Image forming apparatus and conveying unit | — | 2021-04-20 |
| 10591868 | Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2020-03-17 |
| 10401788 | Image forming apparatus including a movable engageable spacing member and process cartridge including a force receiving portion | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2019-09-03 |
| 10180651 | Image forming apparatus with restricting member that restricts movement of cartridge | Kenichi Tagami | 2019-01-15 |
| 10168664 | Process cartridge including protrusion to receive a force for moving a developer roller | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2019-01-01 |
| 9836020 | Process cartridge with force receiving portion configured to receive a force to move a developing roller | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2017-12-05 |
| 9429906 | Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion | Akira Yoshimura, Yukio Kubo, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide | 2016-08-30 |
| 9304487 | Image forming apparatus an opening/closing member, a cartridge support member, and a lock that is released when cartridge support member moves to an outer position | Yu Shuhama, Yuichiro Osawa | 2016-04-05 |
| 9026000 | Color electrophotographic image forming apparatus having a cartridge supporting member | — | 2015-05-05 |