YI

Youji Inaba

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,663,917 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5968380 Method for producing laser-welded tubes and apparatus for producing the same Tomotaka Hayashi 1999-10-19