RK

Rokuo Koyanagi

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #4,091,596 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4273769 O-Ethyl S-alkyl S-isopropyl phosphoro-dithiolate, and their use as nematocide Yoshio Fujita, Kunio Mukai 1981-06-16