SH

Shotaro Hamazaki

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,732,248 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

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