KK

Kunio Koyama

NS Nippon Steel: 1 patents #18 of 156Top 15%
📍 Machida, IL: #1 of 1 inventorsTop 100%
Overall (1982): #47,429 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355054 Process for production of a low hydrogen type covered arc-electrode Kyoichi Nagano, Toshihiko Takami 1982-10-19