Inventor
TAKEYA FUMINORI
JP16 patents
Patents
16 patentsUS6048589AApr 11, 2000
Substrates for magnetic discs, magnetic discs and process for producing magnetic discs
NGK INSULATORS LTD54 citations96
US6086977AJul 11, 2000
Substrates for magnetic discs, magnetic discs and process for producing magnetic discs
NGK INSULATORS LTD33 citations92
US5019930AMay 28, 1991
Negative-pressure type magnetic head slider, and method of producing the same
NGK INSULATORS LTD23 citations92
US4948460AAug 14, 1990
Method of producing head core slider for rigid magnetic disk drive, utilizing laser-induced etching
NGK INSULATORS LTD26 citations91
US5788731AAug 4, 1998
Process for manufacturing a crystallized glass substrate for magnetic discs
NGK INSULATORS LTD18 citations84
US5012572AMay 7, 1991
Method for producing a head core slider
NGK INSULATORS LTD17 citations82
US5104483AApr 14, 1992
Method of producing a negative-pressure type magnetic head slider
NGK INSULATORS LTD8 citations73
US4875970AOct 24, 1989
Method of forming recessed profile on ferrite single crystal by chemical etching
NGK INSULATORS LTD9 citations73
US4982065AJan 1, 1991
Method of producing a core for magnetic head
NGK INSULATORS LTD18 citations72
US5486969AJan 23, 1996
Magnetic head core having ferrite member reinforced by non-magnetic material
NGK INSULATORS LTD2 citations62
US5138508AAug 11, 1992
Magnetic head core
NGK INSULATORS LTD4 citations62
US5014414AMay 14, 1991
Method for producing a magnetic head core
NGK INSULATORS LTD2 citations62
US5107382AApr 21, 1992
Head core slider having an air bearing surface of a particular configuration
NGK INSULATORS LTD5 citations61
US5025343AJun 18, 1991
Magnetic head core utilizing a non-magnetic layer
NGK INSULATORS LTD3 citations59
US4967466ANov 6, 1990
Method for producing magnetic head core
NGK INSULATORS LTD4 citations59
US6589893B2Jul 8, 2003
Glass-ceramics having hexacelsian as a primary crystal phase, magnetic disk substrate and magnetic disk
NGK INSULATORS LTD0 citations52