SM

Sadahiko Matsumura

SI Sumitomo Rubber Industries: 2 patents #4 of 52Top 8%
Overall (1989): #16,400 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D301854 Motorcycle tire 1989-06-27
D301441 Motorcycle tire 1989-06-06