Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634836 | Circular polarizer for organic EL display device having laminated half wavelength plate and quarter wavelength plate, and organic EL display device | Kentarou Takeda, Kazuki Uwada, Tadashi Kojima, Nao Murakami | 2020-04-28 |