SH

Shotaro Hamazaki

SI Sumitomo Metal Industries: 1 patents #5 of 78Top 7%
📍 Ibaraki, JP: #166 of 586 inventorsTop 30%
Overall (1997): #79,034 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5699690 Method and apparatus for manufacturing hollow steel bars Munekatsu Furugen, Norimasa Kameoka, Atsuhumi Okamoto 1997-12-23