HS

Hideharu Shimokawa

IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
📍 Funabashi, JP: #699 of 1,104 inventorsTop 65%
Overall (All Time): #3,971,723 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4655838 Cement additive composition Yasuharu Koga, Fumitada Yamamoto 1987-04-07