YH

Yohichi Hirukawa

AN Anelva: 2 patents #81 of 280Top 30%
Overall (All Time): #2,345,314 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4704199 Method of forming an iron oxide film by reacting sputtering with control of a glow discharge by monitoring an emission spectrum of iron from the glow discharge Toshio Yokokawa 1987-11-03
4604180 Target assembly capable of attaining a high step coverage ratio in a magnetron-type sputtering device Toshiyuki Nozaki, Naokichi Hosokawa 1986-08-05