KO

Kouichi Oka

Overall (1989): #86,036 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4863511 Method of forming a rare earth-cobalt type magnetic powder for resinous magnet Junichi Ishii 1989-09-05