Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260817 | Liquid crystal optical device comprising a liquid crystal pixel and a parallel circuit for providing a gradation of display | Shuzo Kaneko, Ryoji Fujiwara, Tomoko Maruyama | 1993-11-09 |