Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384132 | Retardation film and method for producing same | Yoshiya OTA, Yasuhiro Suda | 2025-08-12 |
| 11209587 | Light guiding laminate using anisotropic optical film and planar light source device using the same | Masahide Sugiyama, Masao Kato, Tsubasa Sakano | 2021-12-28 |