Inventor
SAWAHATA SHOICHI
JP2 patents
Patents
2 patentsUS5285343AFeb 8, 1994
Magnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic disk
HITACHI LTD26 citations89
US5656349AAug 12, 1997
Magnetic disk, method of manufacturing the same and magnetic disk apparatus including the magnetic disk
HITACHI LTD12 citations72