Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393160 | Image forming apparatus | — | 2025-08-19 |
| 11543768 | Image forming apparatus | Ryota Shibuya | 2023-01-03 |
| 10996614 | Part positioning mechanism and image forming apparatus | Tatsuo Nishiyama, Shigeo Murayama, Kenji Ninomiya | 2021-05-04 |
| 10543999 | Sheet conveyance apparatus and image forming apparatus | Tatsuo Nishiyama, Shigeo Murayama, Kenji Ninomiya | 2020-01-28 |
| 10067466 | Image forming apparatus | Yasuhiro Fukase, Takeo Kawanami | 2018-09-04 |
| 9529300 | Developing device, process cartridge, and electrophotographic image forming apparatus | Hideki Kakuta | 2016-12-27 |
| 9529318 | Image forming apparatus with cartridge supporting movable member | Masaki Sato, Isao Matsuoka, Osamu Sasaoka | 2016-12-27 |
| 9158234 | Developing device for use with an electrophotographic image forming apparatus, process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, and an electrophotographic image forming apparatus | Hideki Kakuta | 2015-10-13 |
| 9134695 | Image forming apparatus with movable cartridge pressing member | Kenji Watanabe, Toshiharu Kawai | 2015-09-15 |
| 8380105 | Developing device, process cartridge, and electrophotographic image forming apparatus | Hideki Kakuta | 2013-02-19 |
| 8218999 | Winding member, cartridge, and cartridge assembling method | Hideki Nagae | 2012-07-10 |
| 8208838 | Developing device having light transmitting member for detecting amount of developer | Hideki Kakuta | 2012-06-26 |
| 8095033 | Winding member, cartridge, and cartridge assembling method | Hideki Nagae | 2012-01-10 |
| D633137 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta +3 more | 2011-02-22 |
| D631090 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta +3 more | 2011-01-18 |
| D631091 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta +3 more | 2011-01-18 |
| D631088 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta +3 more | 2011-01-18 |
| D631089 | Process cartridge | Kazuo Chadani, Tatsuya Suzuki, Yasufumi Yoshino, Masaaki Sato, Hideki Kakuta +3 more | 2011-01-18 |
| 6086472 | Throw-into-type coin discriminator | — | 2000-07-11 |
| 6059651 | Apparatus for lifting circular plate bodies | Hiroshi Abe | 2000-05-09 |
| 5931732 | Apparatus for dispensing disks | Hiroshi Abe | 1999-08-03 |
| 5216708 | Calling signal controller | Masami Nashirozawa | 1993-06-01 |