Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11425361 | Image display device | Marina Kitakami | 2022-08-23 |
| 11074112 | Maintaining the responsiveness of a user interface while performing a synchronous operation | Micah Myerscough, Weide Zhong, Xiaohui Pan, Emily Anne Schultz | 2021-07-27 |
| 10520886 | Image forming apparatus and cartridge | Masaaki Sato, Masatoshi Yamashita | 2019-12-31 |
| 10477730 | Head-mounted display and gripping apparatus | — | 2019-11-12 |
| 10345751 | Image forming apparatus | — | 2019-07-09 |
| 10054898 | Image forming apparatus | — | 2018-08-21 |
| 9996051 | Image forming apparatus and cartridge | Masaaki Sato, Masatoshi Yamashita | 2018-06-12 |
| 9494915 | Image forming apparatus and cartridge | Masaaki Sato, Masatoshi Yamashita | 2016-11-15 |
| 9134695 | Image forming apparatus with movable cartridge pressing member | Tetsuo Furukawa, Kenji Watanabe | 2015-09-15 |
| 9046860 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2015-06-02 |
| 9037036 | Opening and closing mechanism and image-forming apparatus | Masatoshi Yamashita | 2015-05-19 |
| 8862022 | Image forming apparatus and cartridge | Masaaki Sato, Masatoshi Yamashita | 2014-10-14 |
| 8798497 | Image forming apparatus | — | 2014-08-05 |
| 8725042 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2014-05-13 |
| 8428490 | Color electrophotographic image forming apparatus | Yoshihiro Ito | 2013-04-23 |
| 8270892 | Unit for cleaning end portion of recording material and image forming apparatus including the unit | — | 2012-09-18 |
| 8204404 | Image forming apparatus | — | 2012-06-19 |
| 7274896 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2007-09-25 |
| 7248814 | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2007-07-24 |
| 7130560 | Image forming apparatus | Hideki Kotsuka | 2006-10-31 |
| 6885838 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE DRUM HAVING TWISTED PROJECTION COUPLING MEMBER ENGAGEABLE WITH TWISTED HOLE DRIVING COUPLING OF MOTOR, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS USING SAME | Kazushi Watanabe, Yoshihiro Ito | 2005-04-26 |
| 6501927 | Process cartridge and photosensitive drum driving mount | Kazushi Watanabe, Yoshihiro Ito | 2002-12-31 |
| 6501926 | Process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2002-12-31 |
| 6349188 | Process cartridge, electrophotographic image forming apparatus, driving force transmission part and electrophotographic photosensitive drum | Kazushi Watanabe, Yoshihiro Ito | 2002-02-19 |
| 6336018 | Electrophotographic image forming apparatus, process cartridge, and drive mount for photosensitive drum | Kazushi Watanabe, Yoshihiro Ito | 2002-01-01 |