Inventor
HAYAKAWA YASUO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ELECTRIC CO LTD
15 patentsUS6707649B2Mar 16, 2004
Magnetic sensing element permitting decrease in effective element size while maintaining large optical element size
ALPS ELECTRIC CO LTD85 citations98
US7220499B2May 22, 2007
CPP giant magnetoresistive head having antiferromagnetic film disposed in rear of element
ALPS ELECTRIC CO LTD51 citations93
US5896078AApr 20, 1999
Soft magnetic alloy thin film and plane-type magnetic device
ALPS ELECTRIC CO LTD36 citations93
US6459551B1Oct 1, 2002
Thin film magnetic head
ALPS ELECTRIC CO LTD31 citations92
US6351204B1Feb 26, 2002
Thin magnetic element and transformer
ALPS ELECTRIC CO LTD29 citations92
US6252749B1Jun 26, 2001
Thin film magnetic head having a gap layer with improved thermal conductivity
ALPS ELECTRIC CO LTD38 citations92
US6140902AOct 31, 2000
Thin magnetic element and transformer
ALPS ELECTRIC CO LTD33 citations92
US5833770ANov 10, 1998
High frequency soft magnetic alloy and plane magnetic element, antenna and wave absorber comprising the same
ALPS ELECTRIC CO LTD25 citations89
US5656101AAug 12, 1997
Soft magnetic alloy thin film with nitrogen-based amorphous phase
ALPS ELECTRIC CO LTD16 citations82
US6654212B2Nov 25, 2003
Magnetic sensor capable of providing stable resistance change rate
ALPS ELECTRIC CO LTD11 citations74
US6307720B1Oct 23, 2001
Thin film magnetic head
ALPS ELECTRIC CO LTD11 citations74
US5725685AMar 10, 1998
Soft magnetic alloy thin film with nitrogen-based amorphous phase
ALPS ELECTRIC CO LTD8 citations74
US6083325AJul 4, 2000
Method for making Fe-based soft magnetic alloy
ALPS ELECTRIC CO LTD13 citations73
US6885526B2Apr 26, 2005
Thin film magnetic head comprising SiON film
ALPS ELECTRIC CO LTD3 citations63
US6704172B2Mar 9, 2004
Thin film magnetic head using Al-Si-O insulating material and method of manufacturing the same
ALPS ELECTRIC CO LTD3 citations63
TDK CORP
5 patentsUS7599155B2Oct 6, 2009
Self-pinned CPP giant magnetoresistive head with antiferromagnetic film absent from current path
TDK CORP23 citations93
US7365949B2Apr 29, 2008
CPP giant magnetoresistive head including pinned magnetic layer that extends in the height direction
TDK CORP37 citations90
US7800867B2Sep 21, 2010
CPP GMR head with antiferromagnetic layer disposed at rear of ferrimagnetic pinned layer
TDK CORP15 citations84
US7623324B2Nov 24, 2009
Magnetic sensing element having reactive-ion-etching stop layer and process for producing same
TDK CORP16 citations84
US7656620B2Feb 2, 2010
Magnetic head device provided with lead electrode electrically connected to magnetic shield layer
TDK CORP6 citations63
HITACHI CONSTRUCTION MACHINERY
5 patentsUS4768155AAug 30, 1988
Supersonic flaw detecting system
HITACHI CONSTRUCTION MACHINERY24 citations80
US6394212B1May 28, 2002
Rotary type construction machine and cab, equipment housing cover and counterweight for such construction machine
HITACHI CONSTRUCTION MACHINERY19 citations78
US5211059AMay 18, 1993
Acoustic microscope system
HITACHI CONSTRUCTION MACHINERY20 citations78
US6534746B1Mar 18, 2003
Narrow gap welding method and welding apparatus
HITACHI CONSTRUCTION MACHINERY7 citations71
US4862383AAug 29, 1989
Ultrasonic inspection apparatus
HITACHI CONSTRUCTION MACHINERY12 citations71