Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125413 | Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device | Akio Takada, Kazuyuki Shibuya, Yusuke Matsuno | 2021-09-21 |
| 11002993 | Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method | Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki | 2021-05-11 |