Inventor
OKUWAKI TOYOJI
JP6 patents
Patents
6 patentsUS4651242AMar 17, 1987
Magnetic disk apparatus
HITACHI LTD54 citations95
US5060098AOct 22, 1991
Magnetic recorder provided with a magnetic head slider having a non-magnetic oxide of spinel structure
HITACHI LTD35 citations92
US5020041AMay 28, 1991
Magneto-optical memory apparatus having a floating magnetic head
HITACHI LTD31 citations92
US4840844AJun 20, 1989
Magnetic recording medium
HITACHI LTD38 citations92
US5285343AFeb 8, 1994
Magnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic disk
HITACHI LTD26 citations89
US5686177ANov 11, 1997
Magnetic recording medium
HITACHI LTD9 citations72