68 Utility Patents
#2 in Otawara
#3,881 in Japan
#20,233 in the World
Forward Citations = 525
Company Filing History:






4. 2 out of 194

5. 1 out of 3,611

where one patent can have more than one assignee
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#2 in Otawara
#3,881 in Japan
#20,233 in the World
Company Filing History:
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