Inventor
TAN XIAOXI
US7 patents
⚠️ This page may combine multiple inventors who share the name “TAN XIAOXI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROSOFT CORP
5 patentsUS7356709B2Apr 8, 2008
Systems and methods for deterring software piracy in a volume license environment
MICROSOFT CORP40 citations92
US7644442B2Jan 5, 2010
Systems and methods for using machine attributes to deter software piracy in an enterprise environment
MICROSOFT CORP38 citations90
US7379918B2May 27, 2008
Method and system for single reactivation of software product licenses
MICROSOFT CORP13 citations81
US7447917B2Nov 4, 2008
Obfuscated state store for rights management system and the like
MICROSOFT CORP5 citations70
US7774623B2Aug 10, 2010
Obfuscated state store for rights management system and the like
MICROSOFT CORP4 citations59