YI

Yukio Iyama

NL Nippon Mining Company Limited: 1 patents #2 of 24Top 9%
📍 Ooita, JP: #1 of 16 inventorsTop 7%
Overall (1982): #21,537 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4353530 Method and apparatus for automatically punching the tuyeres of a converter Masao Fujita, Nobuhiro Higashiiriki 1982-10-12