Inventor
WU HSI-CHENG
US13 patents
⚠️ This page may combine multiple inventors who share the name “WU HSI-CHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTENTGUARD HOLDINGS INC
7 patentsUS7412605B2Aug 12, 2008
Method and apparatus for variable encryption of data
CONTENTGUARD HOLDINGS INC39 citations96
US7237125B2Jun 26, 2007
Method and apparatus for automatically deploying security components in a content distribution system
CONTENTGUARD HOLDINGS INC40 citations96
US7206941B2Apr 17, 2007
Method and apparatus for validating security components through a request for content
CONTENTGUARD HOLDINGS INC54 citations96
US7743259B2Jun 22, 2010
System and method for digital rights management using a standard rendering engine
CONTENTGUARD HOLDINGS INC23 citations92
US7603319B2Oct 13, 2009
Method and apparatus for preserving customer identity in on-line transactions
CONTENTGUARD HOLDINGS INC8 citations92
US7913095B2Mar 22, 2011
Method and apparatus for providing a specific user interface in a system for managing content
CONTENTGUARD HOLDINGS INC5 citations74
US9336366B2May 10, 2016
Method and apparatus for identifying installed software and regulating access to content
CONTENTGUARD HOLDINGS INC2 citations73
RALEY MICHAEL
4 patentsUS8832852B2Sep 9, 2014
Method and apparatus for dynamic protection of static and dynamic content
RALEY MICHAEL7 citations83
US8914906B2Dec 16, 2014
Method and apparatus for identifying installed software and regulating access to content
RALEY MICHAEL3 citations73
US8555408B2Oct 8, 2013
Method and apparatus for providing a specific user interface in a system for managing content
RALEY MICHAEL1 citations62
US8489900B2Jul 16, 2013
Method and apparatus for providing a specific user interface in a system for managing content
RALEY MICHAEL1 citations62