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Kristian E. Hatlelid
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Sammamish, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Obfuscated state store for rights management system and the like
Patent number
8,065,534
Issue date
Nov 22, 2011
Microsoft Corporation
Xiaoxi Tan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Obfuscated state store for rights management system and the like
Patent number
7,774,623
Issue date
Aug 10, 2010
Microsoft Corporation
Xiaoxi Tan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Obfuscated state store for rights management system and the like
Patent number
7,447,917
Issue date
Nov 4, 2008
Microsoft Corporation
Xiaoxi Tan
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
OBFUSCATED STATE STORE FOR RIGHTS MANAGEMENT SYSTEM AND THE LIKE
Publication number
20100257378
Publication date
Oct 7, 2010
Microsoft Corporation
Xiaoxi Tan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OBFUSCATED STATE STORE FOR RIGHTS MANAGEMENT SYSTEM AND THE LIKE
Publication number
20090031146
Publication date
Jan 29, 2009
Microsoft Corporation
Xiaoxi Tan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Obfuscated state store for rights management system and the like
Publication number
20050102528
Publication date
May 12, 2005
Xiaoxi Tan
G06 - COMPUTING CALCULATING COUNTING