Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10509229 | Light guide device and display apparatus | Takashi Takeda | 2019-12-17 |
| 10466482 | Optical element and display device | Shohei Yoshida | 2019-11-05 |
| 10295829 | Optical element and display device | Shohei Yoshida | 2019-05-21 |
| 10254558 | Optical element with spaced diffraction gratings, and display apparatus | Osamu Yokoyama | 2019-04-09 |