Inventor
HAYAKAWA JUN
JP56 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS6842368B2Jan 11, 2005
High output nonvolatile magnetic memory
HITACHI LTD94 citations99
US6754100B1Jun 22, 2004
High output nonvolatile magnetic memory
HITACHI LTD52 citations96
US7280322B2Oct 9, 2007
Magnetic sensor and magnetic head with the magnetic sensor
HITACHI LTD34 citations93
US7203090B2Apr 10, 2007
High output nonvolatile magnetic memory
HITACHI LTD13 citations93
US7110284B2Sep 19, 2006
Magnetic nonvolatile memory cell and magnetic random access memory using the same
HITACHI LTD45 citations93
US6917088B2Jul 12, 2005
Magneto-resistive devices
HITACHI LTD51 citations93
US6876523B2Apr 5, 2005
Magnetic head, and the magnetic read-write devices, and the magnetic memory with magnetic sensors
HITACHI LTD20 citations93
US7872906B2Jan 18, 2011
Unidirectional-current magnetization-reversal magnetoresistance element and magnetic recording apparatus
HITACHI LTD7 citations84
US7755932B2Jul 13, 2010
Spin torque magnetic memory and offset magnetic field correcting method thereof
HITACHI LTD12 citations84
US6934133B2Aug 23, 2005
Three terminal magnetic head having a magnetic semiconductor and a tunnel magnetoresistive film and magnetic recording apparatus including the head
HITACHI LTD18 citations84
US7102923B2Sep 5, 2006
High output nonvolatile magnetic memory
HITACHI LTD6 citations74
US6917499B2Jul 12, 2005
Magnetoresistive magnetic sensor and magnetic storage apparatus
HITACHI LTD6 citations74
US6906368B2Jun 14, 2005
Magnetic recording medium and magnetic memory apparatus
HITACHI LTD9 citations74
US6826023B2Nov 30, 2004
Ferromagnetic tunnel magnetoresistive devices and magnetic head
HITACHI LTD6 citations74
US6657830B2Dec 2, 2003
Magnetoresistive magnetic sensor with tunnel effect and magnetic storage apparatus
HITACHI LTD11 citations74
US7894244B2Feb 22, 2011
Tunnel magnetic resistance device, and magnetic memory cell and magnetic random access memory using the same
HITACHI LTD2 citations63
US7838953B2Nov 23, 2010
Magnetic memory cell and magnetic random access memory
HITACHI LTD2 citations63
US7759750B2Jul 20, 2010
Magnetic memory cell and random access memory
HITACHI LTD4 citations63
US7468542B2Dec 23, 2008
Magnetoresistive device and nonvolatile magnetic memory equipped with the same
HITACHI LTD5 citations63
US7247510B2Jul 24, 2007
Magnetic recording medium and magnetic memory apparatus
HITACHI LTD3 citations63
US12434964B2Oct 7, 2025
Hydrogen production apparatus
HITACHI LTD0 citations60
US7348589B2Mar 25, 2008
Low power consumption magnetic memory and magnetic information recording device
HITACHI LTD0 citations52
US10043963B2Aug 7, 2018
Thermoelectric conversion element and thermoelectric conversion module
HITACHI LTD0 citations49
US9559280B2Jan 31, 2017
Thermoelectric conversion device
HITACHI LTD0 citations48
HITACHI GLOBAL STORAGE TECH
5 patentsUS7378699B2May 27, 2008
Magnetic head having a magnetoresistive element and highly polarized spin injection layer
HITACHI GLOBAL STORAGE TECH27 citations93
US7212385B2May 1, 2007
Ferromagnetic tunnel magnetoresistive devices and magnetic head
HITACHI GLOBAL STORAGE TECH12 citations93
US7016161B2Mar 21, 2006
Magnetic head, magnetic head gimbal assembly, magnetic recording and reproducing apparatus, and magnetic memory
HITACHI GLOBAL STORAGE TECH10 citations74
US7099126B2Aug 29, 2006
Ferromagnetic tunnel magnetoresistive devices and magnetic head
HITACHI GLOBAL STORAGE TECH0 citations52
US7031111B2Apr 18, 2006
Ferromagnetic tunnel magnetoresistive devices and magnetic head
HITACHI GLOBAL STORAGE TECH0 citations52
TORAY INDUSTRIES
3 patentsUS6323212B1Nov 27, 2001
Morphinan derivative and its pharmaceutical applications
TORAY INDUSTRIES36 citations92
US6277859B1Aug 21, 2001
Morphinan derivative and its pharmaceutical applications
TORAY INDUSTRIES46 citations92
US6177438B1Jan 23, 2001
Morphinan derivatives and pharmaceutical use thereof
TORAY INDUSTRIES38 citations92
HAYAKAWA JUN
3 patentsUS8743593B2Jun 3, 2014
Magnetoresistance effect element and magnetic memory cell and magnetic random access memory using same
HAYAKAWA JUN8 citations83
US8179438B2May 15, 2012
Vehicle camera system
HAYAKAWA JUN7 citations82
US8189370B2May 29, 2012
Magnetic recording element, magnetic memory cell, and magnetic random access memory
HAYAKAWA JUN5 citations62
INOUE JAPAX RES
2 patentsTOYOTA MOTOR CO LTD
2 patentsUS7510620B2Mar 31, 2009
Process for laser welding resinous members, apparatus for the same and laser-welded resinous product
TOYOTA MOTOR CO LTD13 citations79
US8038828B2Oct 18, 2011
Process for laser welding resinous members, apparatus for the same and laser-welded resinous product
TOYOTA MOTOR CO LTD2 citations58
SODICK CO LTD
2 patentsHONDA MOTOR CO LTD
2 patentsSUMITOMO ELECTRIC INDUSTRIES
2 patentsOHSUMI KEN
1 patentOHNO HIDEO
1 patentFINE DEVICE CO LTD
1 patentITO KENCHI
1 patentHITACHI HIGH TECH CORP
1 patentShowing the top 50 of 56 patents by PatentIndex Score.