Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10509360 | Image forming apparatus with removable cartridges mounted on tray | Shunsuke Hijikata, Toshiyuki Watanabe | 2019-12-17 |
| 10459401 | Image forming apparatus | Shunsuke Hijikata, Toshiyuki Watanabe | 2019-10-29 |
| 10303116 | Electrophotographic image forming apparatus having a driving-force transmission member featuring first and second helical gear portions with opposing twist directions | Tetsuji Suzuki, Yoshihiro Ito, Ryuta Murakami | 2019-05-28 |
| 10289066 | Image forming apparatus | Satoru Takahashi, Takeo Kawanami, Tetsuji Suzuki | 2019-05-14 |
| 9541864 | Image-forming apparatus | Masaaki Takeuchi | 2017-01-10 |
| 9176435 | Belt unit and image forming apparatus having the belt unit | Hiromi Sakurai, Eiichiro Kimizuka, Yasuhiro Fukase, Toshiyuki Watanabe | 2015-11-03 |
| 9152115 | Image forming apparatus that employs electrophotographic method | Osamu Sasaoka | 2015-10-06 |
| 8515322 | Image forming apparatus | Hiromi Sakurai, Toshiyuki Watanabe | 2013-08-20 |
| 8280285 | Image forming apparatus with transfer member for transferring toner on image bearing member | Masaru Shimura, Kenji Kanari, Kazuhiro Doda | 2012-10-02 |
| 8068775 | Image forming apparatus with transfer member for transferring toner on image bearing member | Masaru Shimura, Kenji Kanari, Kazuhiro Doda | 2011-11-29 |
| 7313345 | Image forming unit | Mitsuru Ebihara, Keisuke Shinoda | 2007-12-25 |
| 7308213 | Intermediate transfer belt having reference position mark | Masaki Sudo | 2007-12-11 |
| 7187887 | Image forming unit and manufacturing method thereof | — | 2007-03-06 |
| 7085525 | Image forming unit having positioner for withstanding transfer roll pressing force | — | 2006-08-01 |