Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002993 | Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method | Akio Takada, Eiji Takahashi, Koji Sasaki, Naoki Hanashima | 2021-05-11 |
| 10907250 | Block copolymer pattern formation method and diffraction limited optical element | Eiji Takahashi, Akio Takada | 2021-02-02 |