Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859742 | Polarizing plate and optical device | — | 2020-12-08 |
| 10852465 | Polarizing plate and polarizing plate manufacturing method | — | 2020-12-01 |
| 10732335 | Polarizing plate having absorption layer comprising only tantalum and niobium | Eiji Takahashi, Nobuyuki Koike, Koji Sasaki | 2020-08-04 |
| 10564477 | Phase difference compensation element, liquid crystal display device, and projection-type image display device | Nobuyuki Koike | 2020-02-18 |