Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10120206 | Optical film and optical laminate using same | Kouichi Tanaka, Yoshiyuki Yahagi, Takuya Gotou, Katsuyuki Murai, Kazuhisa Mitsuhata +1 more | 2018-11-06 |
| 9869805 | Infrared reflective film, and laminated glass employing same | Kouichi Tanaka, Kensuke Izutani, Satoshi Nishiyama, Atsushi Takamatsu, Akira Matsumoto +1 more | 2018-01-16 |
| 8730580 | Light diffusion cell for laser light, light source device and image display device using same | — | 2014-05-20 |
| 7416683 | Liquid crystal mixed composition and retardation film using same | Kouichi Tanaka | 2008-08-26 |
| 7410680 | Retardation film made by using cellulose derivatives | Kouichi Tanaka | 2008-08-12 |
| 7163723 | Liquid crystalline compound and reterdation difference film using the same | Kouichi Tanaka, Kenichiro Yoshioka, Junji Toda | 2007-01-16 |