6 Utility Patents
#7,362 in Yokohama
#138,817 in Japan
#688,746 in the World
Forward Citations = 136
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4. 1 out of 28,400

5. 1 out of 36
Showa Shell Sekiyu Kabushiki Kaisha
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#7,362 in Yokohama
#138,817 in Japan
#688,746 in the World
Company Filing History:




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