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Yasuharu Yokoyama

PC Petroleum Energy Center: 1 patents #66 of 180Top 40%
TO Tonen: 1 patents #126 of 264Top 50%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
📍 Ooi, JP: #15 of 29 inventorsTop 55%
Overall (All Time): #2,047,633 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8691739 Lubricating oil composition Miyoshi Marumo, Satoshi Ogano 2014-04-08
5075277 Steam reforming catalyst for hydrocarbon and method for manufacturing the same Akira Saiai, Satoshi Sakurada, Takao Hashimoto, Tomoko Segawa, Fumiya Ishizaki 1991-12-24