153 Utility Patents
#56 in Yokohama
#501 in Japan
#3,809 in the World
Forward Citations = 1,733
Company Filing History:






4. 14 out of 20

5. 10 out of 808

where one patent can have more than one assignee
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#56 in Yokohama
#501 in Japan
#3,809 in the World
Company Filing History:
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