88 Utility Patents
#501 in Tokyo
#2,121 in Japan
#12,474 in the World
Forward Citations = 361
Company Filing History:



4. 6 out of 212

5. 5 out of 35,468

where one patent can have more than one assignee
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#501 in Tokyo
#2,121 in Japan
#12,474 in the World
Company Filing History:





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