HI

Hiroshi Ichihashi

SC Sumitomo Chemical: 1 patents #89 of 298Top 30%
📍 Niihama, JP: #11 of 31 inventorsTop 40%
Overall (2003): #212,814 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6531595 Method for producing &egr;-caprolactam and reactor for the method Wolfgang Holderich, Gerd Dahlhoff, Keisuke Sugita 2003-03-11