Inventor
WATANABE TOSHINORI
JP70 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TOSHINORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ELECTRIC CO LTD
32 patentsUS6153062ANov 28, 2000
Magnetoresistive sensor and head
ALPS ELECTRIC CO LTD241 citations99
US5869963AFeb 9, 1999
Magnetoresistive sensor and head
ALPS ELECTRIC CO LTD102 citations98
US6687084B2Feb 3, 2004
Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface of yoke layer, and method of manufacturing the head
ALPS ELECTRIC CO LTD51 citations96
US5784225AJul 21, 1998
Manufacturing method for magnetoresistive head having an antiferromagnetic layer of PTMN
ALPS ELECTRIC CO LTD68 citations96
US5768067AJun 16, 1998
Magnetoresistive head using exchange anisotropic magnetic field with an antiferromagnetic layer
ALPS ELECTRIC CO LTD55 citations96
US6738223B2May 18, 2004
Thin film magnetic head having side faces of the Gd defining layer and the lower magnetic pole layer aligned in the track width dimension
ALPS ELECTRIC CO LTD25 citations93
US6352621B1Mar 5, 2002
Method of manufacturing film laminate having exchange anisotropic magnetic field
ALPS ELECTRIC CO LTD16 citations93
US6201465B1Mar 13, 2001
Magnetoresistive sensor and its manufacturing method
ALPS ELECTRIC CO LTD21 citations93
US6128167AOct 3, 2000
Spin-valve magnetoresistive element
ALPS ELECTRIC CO LTD25 citations93
US6122151ASep 19, 2000
Spin-valve magnetoresistive element
ALPS ELECTRIC CO LTD21 citations93
US6018443AJan 25, 2000
Thin film magnetic head having hard films for magnetizing a shield layer in a single domain state
ALPS ELECTRIC CO LTD40 citations93
US5992004ANov 30, 1999
Method for producing a thin film magnetic head
ALPS ELECTRIC CO LTD35 citations93
US5972420AOct 26, 1999
Magnetoresistive sensor manufacturing method
ALPS ELECTRIC CO LTD21 citations93
US5923503AJul 13, 1999
Thin-film magnetic head and production method thereof
ALPS ELECTRIC CO LTD21 citations93
US6697221B2Feb 24, 2004
Perpendicular magnetic recording head with inverted trapezoidal main magnetic pole layer
ALPS ELECTRIC CO LTD51 citations92
US6538845B1Mar 25, 2003
Thin-film magnetic head having a high specific resistance layer
ALPS ELECTRIC CO LTD49 citations92
US6751054B2Jun 15, 2004
Thin-film magnetic head for perpendicular magnetic recording having main magnetic pole layer on flat surface
ALPS ELECTRIC CO LTD19 citations84
US6466403B1Oct 15, 2002
Thin film magnetic head having very narrow track width and manufacturing method for the same
ALPS ELECTRIC CO LTD16 citations84
US5959813ASep 28, 1999
Combination read/write thin film magnetic head using a shielding magnetic layer
ALPS ELECTRIC CO LTD18 citations84
US6346338B1Feb 12, 2002
Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method
ALPS ELECTRIC CO LTD13 citations82
US6112402ASep 5, 2000
Method for manufacturing magnetoresistive sensor
ALPS ELECTRIC CO LTD14 citations82
US7181829B2Feb 27, 2007
Method of manufacturing a perpendicular magnetic recording head
ALPS ELECTRIC CO LTD7 citations74
US6965495B2Nov 15, 2005
Thin film magnetic head and method of manufacturing the same
ALPS ELECTRIC CO LTD8 citations74
US6958886B2Oct 25, 2005
Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface, and method of manufacturing the head
ALPS ELECTRIC CO LTD4 citations74
US6731458B2May 4, 2004
Thin film magnetic head with upper core and lower core layers reducing side-fringing
ALPS ELECTRIC CO LTD11 citations74
US6307722B1Oct 23, 2001
Thin-film magnetic head and production method thereof
ALPS ELECTRIC CO LTD7 citations74
US6198378B1Mar 6, 2001
Magnetoresisitive sensor and manufacturing method therefor
ALPS ELECTRIC CO LTD8 citations74
US6150046ANov 21, 2000
Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method
ALPS ELECTRIC CO LTD9 citations74
US5694275ADec 2, 1997
Magnetoresistive magnetic head
ALPS ELECTRIC CO LTD9 citations74
US5675460AOct 7, 1997
Magnetic head and method of producing the same
ALPS ELECTRIC CO LTD9 citations74
US6768611B2Jul 27, 2004
Thin film magnetic head causing appropriately suppressed side fringing and method of manufacturing the same
ALPS ELECTRIC CO LTD8 citations73
US7167340B2Jan 23, 2007
Thin-film magnetic head appropriately suppressing side fringing and method for fabricating the same
ALPS ELECTRIC CO LTD7 citations70
HITACHI LTD
8 patentsUS4890227ADec 26, 1989
Autonomous resource management system with recorded evaluations of system performance with scheduler control including knowledge learning function
HITACHI LTD176 citations97
US4651284AMar 17, 1987
Method and system of circuit pattern understanding and layout
HITACHI LTD66 citations96
US4942536AJul 17, 1990
Method of automatic circuit translation
HITACHI LTD60 citations95
US4803636AFeb 7, 1989
Circuit translator
HITACHI LTD59 citations95
US4700317AOct 13, 1987
Automatic layout planner and a method for automatically creating a layout plan
HITACHI LTD137 citations95
US7337525B2Mar 4, 2008
Electric rotating machine and stator for the same
HITACHI LTD36 citations92
US7009316B2Mar 7, 2006
Electric rotary machine
HITACHI LTD21 citations92
US7429810B2Sep 30, 2008
Electric rotary machine
HITACHI LTD12 citations84
DOW CORNING TORAY SILICONE
3 patentsUS5788990AAug 4, 1998
Water-repellent powder and manufacture of the same
DOW CORNING TORAY SILICONE7 citations74
US5708067AJan 13, 1998
Heat resistant organopolysiloxane composition
DOW CORNING TORAY SILICONE8 citations74
US5661202AAug 26, 1997
Heat resistant organopolysiloxane compositions
DOW CORNING TORAY SILICONE15 citations74
TDK CORP
2 patentsUS7643246B2Jan 5, 2010
Perpendicular magnetic recording head having a stepped portion and method of manufacturing the same
TDK CORP21 citations93
US7889457B2Feb 15, 2011
Perpendicular magnetic recording head device capable of increasing magnetic field gradient to exhibit excellent recording performance while maintaining magnetic field intensity
TDK CORP2 citations63
TRINITY IND CORP
1 patentALPS ELECTRONIC CO LTD
1 patentNHK SPRING CO LTD
1 patentDOWA MINING CO
1 patentDOW CORNING
1 patentShowing the top 50 of 70 patents by PatentIndex Score.