Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073693 | Optical device, head mounted display, assembling method for the same, holographic diffraction grating, display device, and alignment device | Katsuyuki Akutsu, Hideo Nagasaka, Yusuke Kajio, Daisuke Tsukuda, Kazutatsu Tokuyama | 2021-07-27 |