6 Utility Patents
#258 in Gunma
#139,692 in Japan
#697,517 in the World
Forward Citations = 30
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4. 1 out of 21,351

5. 1 out of 836

where one patent can have more than one assignee
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#258 in Gunma
#139,692 in Japan
#697,517 in the World
Company Filing History:





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