Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645758 | Liquid crystal composition, liquid crystal device using the same, light controlling element, recording medium, and light shutter | Hisato Takeuchi, Arimitsu Usuki, Akane Okada | 1997-07-08 |