Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948862 | Recording material characteristic detecting device and image forming device | — | 2021-03-16 |
| 10382642 | Image reading apparatus | Akira Yamamura, Shogo Asaoka, Yuki Higuchi | 2019-08-13 |
| 9995915 | Prism block for suppressing decrease of amount of light by medium, optical unit, and scanner optical system | — | 2018-06-12 |
| 9838560 | Light guide, illuminating device and image reading apparatus | — | 2017-12-05 |
| 9614993 | Lighting device and image reading device | Masahiko Tanaka | 2017-04-04 |
| 9591166 | Light guide, illuminating device and image reading apparatus | — | 2017-03-07 |
| 9485382 | Light guide, illuminating device, and image reading apparatus | — | 2016-11-01 |