FM

Fumio Matsuyama

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
Overall (1989): #113,596 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4818618 Aluminum material coated with fluorine resin Hiroshi Okazaki, Seiji Watabe 1989-04-04