Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689315 | Light valve apparatus which is employed in a projection display system and in a view-finder system | Yoshimasa Fushimi | 1997-11-18 |
| 5657160 | Polarization plane rotator applicable to polarization converter and projection display system | Shinya Sannohe | 1997-08-12 |