Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667794 | Collimator utilizing wavelength selective reflection and backlight system | Fumihiko Mochizuki, Kenichi Nakagawa, Mitsuyoshi Ichihashi | 2003-12-23 |
| 6593984 | Quarter wave plate comprising two optically anisotropic layers | Ken Kawata, Mitsuyoshi Ichihashi | 2003-07-15 |
| 6519016 | Phase retarder comprising two optically anisotropic layers | Mitsuyoshi Ichihashi, Ken Kawata | 2003-02-11 |
| 6519017 | Liquid crystal display comprising liquid crystal cell, linearly polarizing membrane, cholesteric liquid crystal layer and quarter wave plate | Mitsuyoshi Ichihashi, Ken Kawata | 2003-02-11 |