72 Utility Patents
#857 in Tokyo
#3,537 in Japan
#19,119 in the World
Forward Citations = 570
Company Filing History:



4. 7 out of 339

5. 5 out of 4,785

where one patent can have more than one assignee
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#857 in Tokyo
#3,537 in Japan
#19,119 in the World
Company Filing History:





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