YO

Yoshihisa Ohashi

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,887,391 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5056209 Process for manufacturing clad metal tubing Mutsuo Nakanishi, Shigeharu Takai, Junichi Kikuchi, Tadashi Fukuda, Nobushige Hiraishi 1991-10-15