54 Utility Patents
#1,466 in Tokyo
#6,534 in Japan
#32,866 in the World
Forward Citations = 146
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4. 4 out of 35,468

5. 4 out of 19,722

where one patent can have more than one assignee
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#1,466 in Tokyo
#6,534 in Japan
#32,866 in the World
Company Filing History:





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