57 Utility Patents
#1,339 in Tokyo
#5,844 in Japan
#29,641 in the World
Forward Citations = 279
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4. 5 out of 5,273

5. 3 out of 116

where one patent can have more than one assignee
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#1,339 in Tokyo
#5,844 in Japan
#29,641 in the World
Company Filing History:





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