31 Utility Patents
#59 in Tsukuba
#18,623 in Japan
#87,136 in the World
Forward Citations = 45
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4. 2 out of 130,457

5. 1 out of 967

where one patent can have more than one assignee
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#59 in Tsukuba
#18,623 in Japan
#87,136 in the World
Company Filing History:





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