2 Utility Patents
#3,388 in Kobe
#304,620 in Japan
Forward Citations = 5
Company Filing History:
Showa Shell Sekiyu Kabushiki Kaisha
Showa Sheel Sekiyu Kabushiki Kaisha
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#3,388 in Kobe
#304,620 in Japan
Company Filing History:
Get your Inventor Badge Today