1 Utility Patents
#19,529 in Yokohama
#426,318 in Japan
Forward Citations = 3
Company Filing History:
Meisei Kagaku Kabushiki Kaisha
Showa Denko Kabushiki Kaisha
where one patent can have more than one assignee
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#19,529 in Yokohama
#426,318 in Japan
Company Filing History:
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