91 Utility Patents
#177 in Yokohama
#2,014 in Japan
#11,981 in the World
Forward Citations = 488
Company Filing History:



4. 2 out of 316

5. 1 out of 52,752

where one patent can have more than one assignee
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#177 in Yokohama
#2,014 in Japan
#11,981 in the World
Company Filing History:





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