Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791657 | Liquid crystal display having liquid crystal cell gap variation | Toru Udaka, Masaru Kawabata | 2004-09-14 |
| 6720742 | Light control device, method for driving same and pickup device using the light control device | Toru Udaka, Masaru Kawabata, Kazuhiro Tanaka | 2004-04-13 |