Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8934795 | Optical sensor unit with shutter member and image-forming apparatus thereof | Masafumi Hashiguchi, Toshio Yanata, Masahiko Sato, Masataka Akaishi | 2015-01-13 |
| 8818218 | Photosensor and image forming device incorporating the same | Toshio Yanata, Masahiko Sato, Masataka Akaishi, Masafumi Hashiguchi | 2014-08-26 |
| 8774656 | Image position detector and image forming device | Masahiko Sato, Toshio Yanata, Masafumi Hashiguchi, Masataka Akaishi, Norifumi Yamamoto | 2014-07-08 |
| 8474810 | Reflective photosensor and image forming device incorporating the same | Norifumi Yamamoto, Masahiko Sato, Toshio Yanata, Masafumi Hashiguchi, Masataka Akaishi | 2013-07-02 |