174 Utility Patents
#38 in Yokohama
#356 in Japan
#2,921 in the World
Forward Citations = 919
Company Filing History:



4. 16 out of 36,257

5. 13 out of 19,641

where one patent can have more than one assignee
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#38 in Yokohama
#356 in Japan
#2,921 in the World
Company Filing History:





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