KP

Kien A. Phong

Xerox: 3 patents #3,111 of 8,622Top 40%
📍 Cerritos, CA: #167 of 505 inventorsTop 35%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,609,287 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6542629 Digital imaging method and apparatus for detection of document security marks John W. Wu, Mike Chien-Fang Chen, Zhigang Fan 2003-04-01
6317524 Anti-counterfeit detection method John W. Wu, Mike Chien-Fang Chen, Zhigang Fan 2001-11-13
6181813 Method for counterfeit currency detection using orthogonal line comparison Zhigang Fan, John W. Wu, Felice A. Micco, Mike Chien-Fang Chen 2001-01-30