Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592314 | Tunable wavelength filter formed by 2 lcds in series having opposite twist angles of n*.pi./2 and a dielectric mirror layer on each substrate | Yoshihiko Watanabe | 1997-01-07 |