12 Utility Patents
#2,952 in San Francisco, CA
#44,082 in California
#161,798 in US
#326,523 in the World
Forward Citations = 739
Company Filing History:
Pentax of America, Inc.

4. 1 out of 186

5. 1 out of 9
Zenflow, Inc.
where one patent can have more than one assignee
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