YO

Yasuyo Okuyama

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #2,719,570 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10968408 Gasoline composition and production process therefor Akio Imai, Mitsuru Koike, Shinya Sasaki 2021-04-06