Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8336783 | Polymeric thread with miniature pattern and fluorescent taggant for anti-counterfeit applications and method of making same | — | 2012-12-25 |
| 6801280 | Reflective liquid crystal displays having multilayer rear substrates | Hoi Sing Kwok, Kin Ming Fung | 2004-10-05 |
| 6707527 | Bistable twisted nematic liquid crystal displays with twist angle of ±11 degrees | Hoi Sing Kwok | 2004-03-16 |
| 6633358 | Methods and apparatus for measurement of LC cell parameters | Hoi Sing Kwok | 2003-10-14 |
| 6091477 | Single polarized LCD consisting of particular twist angle and thickness-birefringence product | Hoi Sing Kwok | 2000-07-18 |
| 6081337 | Method and apparatus for measuring liquid crystal cell properties | Hoi Sing Kwok | 2000-06-27 |