57 Utility Patents
#1,403 in Tokyo
#5,974 in Japan
#30,193 in the World
Forward Citations = 184
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4. 5 out of 35,658

5. 5 out of 272

where one patent can have more than one assignee
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#1,403 in Tokyo
#5,974 in Japan
#30,193 in the World
Company Filing History:





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