Inventor
MATSUZAWA SOICHIRO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “MATSUZAWA SOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
31 patentsUS4519870AMay 28, 1985
Method for producing a single crystal
NGK INSULATORS LTD51 citations96
US5296982AMar 22, 1994
Thin-film magnetic head having slider body formed of ferrite
NGK INSULATORS LTD21 citations92
US4962990AOct 16, 1990
Optical device
NGK INSULATORS LTD26 citations92
US5012572AMay 7, 1991
Method for producing a head core slider
NGK INSULATORS LTD17 citations82
US4444615AApr 24, 1984
Method for producing a single crystal
NGK INSULATORS LTD26 citations82
US4402787ASep 6, 1983
Method for producing a single crystal
NGK INSULATORS LTD19 citations82
US6068917AMay 30, 2000
Composite metallic wire and magnetic head using said composite metal wire
NGK INSULATORS LTD6 citations74
US4841400AJun 20, 1989
Magnetic head core comprising a monocrystaline ferrite
NGK INSULATORS LTD7 citations74
US4839763AJun 13, 1989
Composite magnetic head core
NGK INSULATORS LTD11 citations74
US4711018ADec 8, 1987
Method of manufacturing a magnetic head core
NGK INSULATORS LTD16 citations74
US4675988AJun 30, 1987
Method for producing a magnetic head core
NGK INSULATORS LTD10 citations74
US4339301AJul 13, 1982
Method for producing a single crystal of ferrite
NGK INSULATORS LTD18 citations74
US5003688AApr 2, 1991
Method of producing a magnetic head core having track-width defining cut outs formed on opposite side of a magnetic gap
NGK INSULATORS LTD6 citations73
US5083221AJan 21, 1992
Optical unit having means for electrically shielding electrooptical
NGK INSULATORS LTD10 citations72
US5537732AJul 23, 1996
Method for manufacturing a magnetic head core slider
NGK INSULATORS LTD10 citations71
US5298113AMar 29, 1994
Method of producing magnetic head core having magnetic gap and narrow track
NGK INSULATORS LTD8 citations69
US6584265B2Jun 24, 2003
Optical waveguide element having a single crystalline substrate with a crystal axis angled with respect to a surface of the substrate
NGK INSULATORS LTD4 citations63
US4916802AApr 17, 1990
Method for producing a magnetic head core
NGK INSULATORS LTD6 citations63
US5675453AOct 7, 1997
Core slider for magnetic disk, having opposed recesses defining narrow final track which determines nominal magnetic gap width
NGK INSULATORS LTD5 citations62
US5396389AMar 7, 1995
Thin-film magnetic circuit board and magnetic head using the same
NGK INSULATORS LTD6 citations62
US5388325AFeb 14, 1995
Process for fabricating a magnetic head core slider
NGK INSULATORS LTD3 citations62
US5285342AFeb 8, 1994
Core chip for magnetic head core slider, having marker indicating grinding depth to establish nominal depth of magnetic gap
NGK INSULATORS LTD4 citations62
US5138508AAug 11, 1992
Magnetic head core
NGK INSULATORS LTD4 citations62
US5043842AAug 27, 1991
Magnetic head core with special gap structure
NGK INSULATORS LTD2 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
US5390062AFeb 14, 1995
Thin-film magnetic circuit board and magnetic head using the same
NGK INSULATORS LTD5 citations60
US5297330AMar 29, 1994
Method of producing core slider for rigid magnetic disc drive
NGK INSULATORS LTD4 citations60
US5177654AJan 5, 1993
Core slider for rigid magnetic disc drive
NGK INSULATORS LTD2 citations60
US6180890B1Jan 30, 2001
Composite type magnetic head using composite metallic wire
NGK INSULATORS LTD1 citations52
US5522126AJun 4, 1996
Method of manufacturing a composite magnetic head
NGK INSULATORS LTD0 citations49