HS

Hiroharu Shirota

DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
📍 Izumi, JP: #140 of 245 inventorsTop 60%
Overall (All Time): #3,893,437 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4891421 Processes for producing polycarbonate polyols Katsuhide Nishimura, Motoyasu Kunugiza, Hideyuki Ishizu 1990-01-02