73 Utility Patents
#166 in San Francisco, CA
#3,272 in California
#9,953 in US
#18,248 in the World
Forward Citations = 4,196
Company Filing History:
Cryptography Research, Inc.
Rovi Solutions Corporation
Valicert, Inc.
4. 2 out of 3
Irdeto Usa, Inc.
5. 2 out of 23

where one patent can have more than one assignee
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