Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007877 | Liquid crystal optical modulation element and optical head device | Kara Yoshida, Yuriko Kaida, Hiroshi Kumai | 2011-08-30 |
| 7901591 | Bifunctional polymerizable compound, liquid crystal composition, optical anisotropic material and optical element | Kazuhiko SHIONO, Hiroshi Kumai | 2011-03-08 |