KS

Kiyomi Sakai

SC Sumitomo Chemical: 1 patents #131 of 368Top 40%
Overall (1994): #104,140 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5300662 Process for producing coumarin and derivatives thereof Yoshitaka Nishida, Tamio Shirafuji 1994-04-05