Issued Patents 1997
Showing 1–1 of 1 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 |