Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400433 | Circularly polarizing plate comprising linearly polarizing membrane and quarter wave plate | Ken Kawata, Mitsuyoshi Ichihashi | 2002-06-04 |
| 6346578 | Norbornene based resin composition and phase difference plate | — | 2002-02-12 |