FY

Fumitada Yamamoto

IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
Overall (All Time): #3,971,722 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4655838 Cement additive composition Yasuharu Koga, Hideharu Shimokawa 1987-04-07