Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649231 | Optical compensatory sheet comprising transparent support, orientation layer and optically anisotropic layer | — | 2003-11-18 |
| 6606140 | Optical compensatory sheet comprising substrate, orientation layer and optically anisotropic layer | Shigeki Yokoyama, Masayuki Negoro, Ken Kawata | 2003-08-12 |
| 6583832 | Ellipsoidal polarizing plate comprising two optically anisotropic layers and polarizing membrane | — | 2003-06-24 |
| 6569502 | Optical compensatory sheet comprising substrate, orientation layer and optically anisotropic layer | Shigeki Yokoyama, Masayuki Negoro | 2003-05-27 |