53 Utility Patents
#561 in Yokohama
#6,774 in Japan
#34,000 in the World
Forward Citations = 470
Company Filing History:



4. 2 out of 15,644

5. 2 out of 356

where one patent can have more than one assignee
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#561 in Yokohama
#6,774 in Japan
#34,000 in the World
Company Filing History:





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