Issued Patents 2020
Showing 1–2 of 2 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 | Hironori Yaginuma, Kazuki Uwada, Tadashi Kojima, Nao Murakami | 2020-04-28 |
| 10527882 | Optical laminated body and organic electroluminescence display device using same | Takami Hikita, Tomonori Ueno, Atsushi Kishi | 2020-01-07 |