Issued Patents All Time
Showing 1–25 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12321111 | Image forming apparatus | Tsuyoshi Ogawa, Masaaki Sato, Hiroshi Takarada, Koji Fujinaka, Akitoshi Toyota +2 more | 2025-06-03 |
| 12105466 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2024-10-01 |
| 11846894 | Image forming apparatus and image forming system | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Takao Sameshima +2 more | 2023-12-19 |
| 11841673 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2023-12-12 |
| 11809095 | Image forming apparatus | Tsuyoshi Ogawa, Masaaki Sato, Hiroshi Takarada, Koji Fujinaka, Akitoshi Toyota +2 more | 2023-11-07 |
| 11579563 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2023-02-14 |
| 11487222 | Image forming apparatus | Tsuyoshi Ogawa, Masaaki Sato, Hiroshi Takarada, Koji Fujinaka, Akitoshi Toyota +2 more | 2022-11-01 |
| 11467514 | Image forming apparatus and image forming system | Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Takao Sameshima +2 more | 2022-10-11 |
| 11460802 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2022-10-04 |
| 11215949 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2022-01-04 |
| 10976696 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2021-04-13 |
| 10761478 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2020-09-01 |
| 10642218 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2020-05-05 |
| 10234820 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2019-03-19 |
| 10162304 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2018-12-25 |
| 9857763 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2018-01-02 |
| 9829856 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2017-11-28 |
| 9625852 | Cleaning unit, process cartridge and image forming apparatus | Hiroki Shimizu, Keisuke Nomura, Hideki Kakuta | 2017-04-18 |
| 9519260 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2016-12-13 |
| 9501034 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2016-11-22 |
| 9494916 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2016-11-15 |
| 9304444 | Cleaning unit, process cartridge and image forming apparatus | Hiroki Shimizu, Keisuke Nomura, Hideki Kakuta | 2016-04-05 |
| 9285756 | Regulating device, image bearing member cleaning device, developing device, cleaning device, process cartridge and image forming apparatus | Yosuke Kashiide, Hideki Maeshima | 2016-03-15 |
| 9141083 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2015-09-22 |
| 9110439 | Cartridge having a grip provided on a frame | Akihiro Fujiwara, Masato Tanabe | 2015-08-18 |