Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12164258 | Image forming apparatus | Yoshinori Hashimoto, Shogo Miyakawa, Akira Yoshimura, Hiromi Fujinaka, Isao Matsuoka +1 more | 2024-12-10 |
| 11809122 | Image forming apparatus having feeding and fixing modules provided on a transfer frame | Yoshinori Hashimoto, Shogo Miyakawa, Akira Yoshimura, Hiromi Fujinaka, Isao Matsuoka +1 more | 2023-11-07 |
| 11204580 | Image forming apparatus having modules mounted to secure rigidity of a main body of the image forming apparatus | Yoshinori Hashimoto, Shogo Miyakawa, Akira Yoshimura, Hiromi Fujinaka, Isao Matsuoka +1 more | 2021-12-21 |
| 9618900 | Image forming apparatus | Hiromi Fujinaka, Yuichiro Osawa, Masao Amano | 2017-04-11 |
| 9389580 | Image forming apparatus and process cartridge | Masaki Sato | 2016-07-12 |
| 9261855 | Image forming apparatus | Hiromi Fujinaka, Yuichiro Osawa, Masao Amano | 2016-02-16 |
| 9213273 | Image forming apparatus | Kazuhiro Doda, Masaru Shimura, Kenji Kanari, Seiji Saito, Takashi Shimada +5 more | 2015-12-15 |
| 9081359 | Image forming apparatus and process cartridge | Masaki Sato | 2015-07-14 |
| 8965256 | Image forming apparatus | Takeo Kawanami, Masahiro Suzuki, Masaru Shimura, Shinji Katagiri, Tatsuya Kinukawa +1 more | 2015-02-24 |
| 8958709 | Image forming apparatus having a second resistor portion with a higher electrical resistance than a first resistor portion | Masahiro Suzuki, Masaru Shimura, Shinji Katagiri, Tatsuya Kinukawa, Akinori Takayama +2 more | 2015-02-17 |
| 8768210 | Color electrophotographic image forming apparatus | — | 2014-07-01 |
| 8750772 | Image forming apparatus | Kazuhiro Doda, Masaru Shimura, Kenji Kanari, Seiji Saito, Takashi Shimada +5 more | 2014-06-10 |
| 8532532 | Image forming apparatus having a controllable drive coupling | Masaru Shimura, Michio Uchida, Ken Nakagawa, Seiji Saito, Kenji Kanari +6 more | 2013-09-10 |
| 8437660 | Image forming apparatus with movable member for supporting cartridges | — | 2013-05-07 |
| 8238807 | Image forming apparatus | Kazuhiro Doda, Masaru Shimura, Kenji Kanari, Seiji Saito, Takashi Shimada +5 more | 2012-08-07 |
| 8165512 | Image forming apparatus having a transfer device having one or both of concave and convex portions | Kazuhiro Doda, Masaru Shimura, Kenji Kanari, Seiji Saito, Takashi Shimada +5 more | 2012-04-24 |
| 8131181 | Image forming apparatus | — | 2012-03-06 |
| 8036574 | Image forming apparatus | Masaru Shimura, Michio Uchida, Ken Nakagawa, Seiji Saito, Kenji Kanari +6 more | 2011-10-11 |
| 7570900 | Process cartridge receiving from an image forming apparatus into which it is mounted a downstream-moving force during mounting and such image forming apparatus | Kazuo Chadani | 2009-08-04 |
| 7440715 | Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus | Atsushi Numagami, Takahito Ueno | 2008-10-21 |
| 7366445 | Image forming apparatus including a plurality of image bearing members having a speed variation suppression feature | Kazuo Chadani | 2008-04-29 |
| 7209682 | Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus | Atsushi Numagami, Takahito Ueno | 2007-04-24 |
| 7092658 | Driving force transmission mechanism, image forming apparatus equipped with such a mechanism, and process unit of such an apparatus | Takeshi Yasumoto, Akio Ono, Atsushi Numagami, Yukihiro Fujiwara, Kazunari Murayama +1 more | 2006-08-15 |
| 6898391 | Process cartridge, electric contact and electrophotographic image forming apparatus | Atsushi Numagami, Kazunari Murayama, Takahito Ueno | 2005-05-24 |
| 6839532 | Image forming apparatus with improved conveying unit positioning | — | 2005-01-04 |