Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8576485 | Photo-induced dichroic polarizers and fabrication methods thereof | Vladimir Kozenkov, Vladimir Grigorievich Chigrinov, Hoi Sing Kwok | 2013-11-05 |
| 8508448 | Method and apparatus for driving reflective bistable cholestric displays | Hoi Sing Kwok, Fei Yu, Qing Li | 2013-08-13 |
| 7696971 | Method, materials and apparatus for driving gray-scale bistable cholesteric displays | Hoi Sing Kwok, Cheryl Sun | 2010-04-13 |
| 7381507 | Photo-patterned light polarizing films | Hoi Sing Kwok, Vladimir Grigorievich Chigrinov, Vladimir Kozenkov | 2008-06-03 |
| 7070913 | Photo-induced dichroic polarizers and fabrication methods thereof | Vladimir Kozenkov, Vladimir Grigorievich Chigrinov, Elena Prudnikova, Hoi Sing Kwok | 2006-07-04 |
| 6630289 | Photo-patterned light polarizing films | Hoi Sing Kwok, Vladimir Grigorievich Chigrinov, Vladimir Kozenkov | 2003-10-07 |
| 6582776 | Method of manufacturing photo-alignment layer | Elena Prudnikova, Hoi Sing Kwok, Vladimir Grigorievich Chigrinov, Vladimir Kozenkov, Hirokazu Takada +1 more | 2003-06-24 |