Yu; Songyang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yu; Songyang.The latest application filed is for "systems and methods for detecting threats and contraband in cargo".

Company Profile

4.10.12

Yu; Songyang - Milpitas CA
Yu; Songyang - Foster City CA
Yu; Songyang - Mississauga 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
Systems and methods for detecting threats and contraband in cargo Grant 11,287,391 - Yu , et al. March 29, 2	2022-03-29
Systems and Methods for Detecting Threats and Contraband in Cargo App 20200355631 - Yu; Songyang ; et al.	2020-11-12
Systems and methods for detecting threats and contraband in cargo Grant 10,768,338 - Yu , et al. Sep	2020-09-08
Systems and Methods for Detecting Threats and Contraband in Cargo App 20200103548 - Yu; Songyang ; et al.	2020-04-02
Systems and methods for detecting threats and contraband in cargo Grant 10,302,807 - Yu , et al.	2019-05-28
Systems and Methods for Detecting Threats and Contraband in Cargo App 20170242148 - Yu; Songyang ; et al.	2017-08-24
Method and apparatus for authenticating printed documents that contains both dark and halftone text Grant 9,596,378 - Zhan , et al. March 14, 2	2017-03-14
Method And Apparatus For Authenticating Printed Documents That Contains Both Dark And Halftone Text App 20160198065 - Zhan; Xiaonong ; et al.	2016-07-07
Method and apparatus for authenticating printed documents that contains both dark and halftone text Grant 9,319,556 - Zhan , et al. April 19, 2	2016-04-19
Method for binarizing scanned document images containing gray or light colored text printed with halftone pattern Grant 8,947,736 - Yu , et al. February 3, 2	2015-02-03
Method And Apparatus For Document Authentication Using Image Comparison On A Block-by-block Basis App 20130050765 - Zhan; Xiaonong ; et al.	2013-02-28
Method And Apparatus For Authenticating Printed Documents That Contains Both Dark And Halftone Text App 20130050764 - Zhan; Xiaonong ; et al.	2013-02-28
Method of detection document alteration by comparing characters using shape features of characters Grant 8,331,670 - Yu , et al. December 11, 2	2012-12-11
System And Method For Shutter Detection App 20120275679 - Yu; Songyang ; et al.	2012-11-01
Method Of Detection Document Alteration By Comparing Characters Using Shape Features Of Characters App 20120243785 - YU; Songyang ; et al.	2012-09-27
System and method for shutter detection Grant 8,218,879 - Yu , et al. July 10, 2	2012-07-10
Method For Binarizing Scanned Document Images Containing Gray Or Light Colored Text Printed With Halftone Pattern App 20120120453 - YU; Songyang ; et al.	2012-05-17
System And Method For Shutter Detection App 20080069470 - Yu; Songyang ; et al.	2008-03-20

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