JK

Junichi Kagawa

Ngk Spark Plug Co.: 1 patents #6 of 18Top 35%
📍 Hiroshima, JP: #5 of 8 inventorsTop 65%
Overall (1982): #50,635 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4329174 Nickel alloy for spark plug electrodes Tsuneo Ito 1982-05-11