Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175440 | Diffuser plate and projection-type image displaying device | Masaru Karai | 2021-11-16 |
| 10921609 | Transmissive diffuser plate having a microlens angle modulation distribution group | Masaru Karai, Koji Ishida | 2021-02-16 |