Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568730 | Optical device including diffraction elements for diffracting light inside of a light guide, image projecting apparatus, and electronic device | Masatoshi Yonekubo, Osamu Yokoyama | 2017-02-14 |