31 Utility Patents
#1,388 in Yokohama
#18,710 in Japan
#87,612 in the World
Forward Citations = 431
Company Filing History:


Showa Oil Company, Ltd.
4. 1 out of 681

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#1,388 in Yokohama
#18,710 in Japan
#87,612 in the World
Company Filing History:



Get your Inventor Badge Today