Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597813 | Masks with modulated clustering and aperiodicity and rescaling of masks | Mikel Stanich, Gerhard Robert Thompson, Chai Wah Wu | 2003-07-22 |
| 6564322 | Method and apparatus for watermarking with no perceptible trace | David H. Jameson, Chai Wah Wu, Steven R. Abrams, Shmuel Windgrad | 2003-05-13 |
| 6525672 | Event-recorder for transmitting and storing electronic signature data | Timothy J. Chainer, Claude A. Greengard, Chai Wah Wu | 2003-02-25 |
| 6515770 | Dither mask generation with calibration-independent number of threshold levels | Ravishankar Rao, Gerhard Robert Thompson, Chai Wah Wu | 2003-02-04 |