YS

Yasuzo Sakakibara

IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
Overall (All Time): #3,929,156 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4835308 Process for producing trimellitic acid Ken Ueda, Kouji Tomita 1989-05-30