12 Utility Patents
#25 in Oita
#69,919 in Japan
#328,589 in the World
Forward Citations = 6
Company Filing History:


Showda Denko K.k.
4. 1 out of 405
Showa Denko Kabushiki Kaisha
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#25 in Oita
#69,919 in Japan
#328,589 in the World
Company Filing History:


Get your Inventor Badge Today