HY

Hayao Yoshioka

JR Japan Synthetic Rubber: 1 patents #256 of 558Top 50%
Overall (All Time): #4,011,625 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4504692 Process for producing 1,3-butadiene Masatoshi Arakawa, Kazuyoshi Nakazawa 1985-03-12