Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8217117 | Optical film | Hiroaki Takahata, Ayako Yada | 2012-07-10 |
| 7744969 | Retardation film and method for production thereof | Toshihiko Suzuki, Hiroaki Takahata | 2010-06-29 |
| 7365815 | Phase retardation film and liquid crystal display device including the same | Toshihiko Suzuki, Hiroaki Takahata, Ryuma Kuroda | 2008-04-29 |
| 6885415 | Optical member and optical product provided therewith | Ryuma Kuroda, Hiroaki Takahata, Nobuo Oi, Kaori Tsubouchi | 2005-04-26 |