68 Utility Patents
#927 in Tokyo
#3,959 in Japan
#21,041 in the World
Forward Citations = 290
Company Filing History:



4. 5 out of 58,116

5. 4 out of 129,591

where one patent can have more than one assignee
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#927 in Tokyo
#3,959 in Japan
#21,041 in the World
Company Filing History:





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