HH

Hirokichi Higashiyama

NS Nippon Steel: 1 patents #18 of 156Top 15%
Overall (1982): #59,006 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4318294 Method of manufacturing seamless metal pipes and tubes Seishiro Yoshiwara 1982-03-09