2 Utility and 54 Design Patents
#13 in Palo Alto, CA
#295 in California
#1,094 in US
#1,805 in the World
rank by design patentsForward Citations = 1,260
Company Filing History:
Shachihata Inc.

Tonal Systems, Inc.
4. 3 out of 141

5. 3 out of 6
Esselte Ipr Ab
where one patent can have more than one assignee
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