Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8545970 | Optical compensation film and retardation film | Toru Doi, Shinji Shimosato | 2013-10-01 |
| 7476425 | Wide-viewing angle compensation film and transmission type liquid-crystal display employing the same | Shinsuke Toyomasu | 2009-01-13 |