YH

Yoshii Hasegawa

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,994,198 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4583717 Method for pouring molten metal Takeshi Tsuruta, Takao Kohgo, Masahiro Nakamura, Tohru Kishida 1986-04-22