115 Utility Patents
#254 in Tokyo
#1,074 in Japan
#7,210 in the World
Forward Citations = 987
Company Filing History:



4. 6 out of 42,454

5. 4 out of 8,876

where one patent can have more than one assignee
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#254 in Tokyo
#1,074 in Japan
#7,210 in the World
Company Filing History:





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