Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892711 | Azo compound, composition for photo-alignment film using the same, and method for producing photo-alignment film | Hitoshi Kondo, Yasuhiro Kuwana, Vladimir Grigorievich Chigrinov, Hoi Sing Kwok | 2011-02-22 |
| 6733958 | Material for photo-alignment layer, photo-alignment layer and method of manufacturing the same | Masanobu Fukuda, Hitoshi Hayakawa | 2004-05-11 |
| 6582776 | Method of manufacturing photo-alignment layer | Wing-Chiu Yip, Elena Prudnikova, Hoi Sing Kwok, Vladimir Grigorievich Chigrinov, Vladimir Kozenkov +1 more | 2003-06-24 |
| 5164290 | Optical recording medium | Michihiro Kono, Sadaaki Sigeta | 1992-11-17 |
| 4973520 | Optical recording medium | Sadaaki Shigeta | 1990-11-27 |