22 Utility Patents
#172 in Nagano
#31,022 in Japan
#141,585 in the World
Forward Citations = 114
Company Filing History:


Showa Denko Kabushiki Kaisha
4. 3 out of 42,325
where one patent can have more than one assignee
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#172 in Nagano
#31,022 in Japan
#141,585 in the World
Company Filing History:


Get your Inventor Badge Today