26 Utility Patents
#2,160 in San Jose, CA
#17,384 in California
#59,041 in US
#114,913 in the World
Forward Citations = 584
Company Filing History:
Tau-metrix, Inc.


4. 3 out of 18
Fei Efa, Inc.
5. 2 out of 2
Optonics, Inc.
where one patent can have more than one assignee
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