Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659411 | Optical device having an optically transparent birefringent medium that selectively shifts the optical axis | Keiichi Nito, Akio Yasuda, Nobue Kataoka, Hidehiko Takanashi, Eriko Matsui +1 more | 1997-08-19 |
| 5654784 | Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals | Akio Yasuda, Keiichi Nito, Eriko Matsui, Hidehiko Takanashi | 1997-08-05 |