YO

Yoshitora Okada

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,767,355 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5402688 Method and apparatus for determining the tightened condition of a pipe joint Shouji Yakugawa, Michihiko Iwamoto 1995-04-04