Xu; Yihong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Xu; Yihong.The latest application filed is for "method and apparatus for generating and decoding a visually significant barcode".

Company Profile

0.4.5

Xu; Yihong - Marlborough MA
Xu, Yihong - Sunnyvale CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Authenticatable graphical bar codes Grant 7,107,453 - Yen , et al. September 12, 2	2006-09-12
Barcode having enhanced visual quality and systems and methods thereof Grant 7,028,902 - Xu , et al. April 18, 2	2006-04-18
Method and apparatus for partial encryption of content Grant 6,976,166 - Herley , et al. December 13, 2	2005-12-13
Method and apparatus for generating and decoding a visually significant barcode Grant 6,751,352 - Baharav , et al. June 15, 2	2004-06-15
Method and apparatus for generating and decoding a visually significant barcode App 20040089727 - Baharav, Izhak ; et al.	2004-05-13
Barcode having enhanced visual quality and systems and methods thereof App 20040065739 - Xu, Yihong ; et al.	2004-04-08
Method and system for displaying a first image as a second image App 20040012601 - Sang, Henry W. JR. ; et al.	2004-01-22
Method and apparatus for partial encryption of content App 20020108035 - Herley, Cormac ; et al.	2002-08-08
Authenticatable graphical bar codes App 20010047476 - Yen, Jonathan ; et al.	2001-11-29

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