Issued Patents All Time
Showing 25 most recent of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12105466 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2024-10-01 |
| 11841673 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2023-12-12 |
| 11579563 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2023-02-14 |
| 11460802 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2022-10-04 |
| 11215949 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2022-01-04 |
| 10976696 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2021-04-13 |
| 10761478 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2020-09-01 |
| 10642218 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2020-05-05 |
| 10234820 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2019-03-19 |
| 10162304 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2018-12-25 |
| 9857763 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2018-01-02 |
| 9829856 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2017-11-28 |
| 9519260 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2016-12-13 |
| 9501034 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2016-11-22 |
| 9494916 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2016-11-15 |
| 9141083 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2015-09-22 |
| 8971760 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2015-03-03 |
| 8588646 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2013-11-19 |
| 8417144 | Image forming apparatus | Masatomo Tsuzuki, Masaki Kakitani, Akira Yoshimura | 2013-04-09 |
| 8165494 | Process cartridge having a member with a force receiving end movable to a position away from a cartridge housing | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2012-04-24 |
| 8150293 | Image forming apparatus | Masatomo Tsuzuki, Masaki Kakitani, Akira Yoshimura | 2012-04-03 |
| 7869740 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2011-01-11 |
| 7778570 | Image forming apparatus | Masatomo Tsuzuki, Masaki Kakitani, Akira Yoshimura | 2010-08-17 |
| 7509071 | Image forming apparatus detachably mounting a process cartridge having developing roller movable to contact and be spaced from a photosensitive drum | Akira Yoshimura, Kazunari Murayama, Susumu Nittani | 2009-03-24 |
| 7457566 | Electrophotosensitive drum having non-circular twisted projection with electroconductive member thereon, process cartridge having such drum, and electrophotographic image forming apparatus to which the cartridge is detachably mountable | Isao Koishi, Takahito Ueno | 2008-11-25 |