Inventor · disambiguated record
Jun Hayakawa
Also filed as: HAYAKAWA JUN · HAYAKAWA Jun-ya
69 granted patents·18 pending applications·791 citations·filing 1983–2024
99Inventor score
Files withHITACHI LTD31MITSUBISHI GAS CHEMICAL CO15HAYAKAWA JUN8HITACHI GLOBAL STORAGE TECH5SUMITOMO ELECTRIC INDUSTRIES3
Top patents by PatentIndex Score
87 records- 0197US6842368B2High output nonvolatile magnetic memoryHITACHI LTD·Filed 2004·Granted Jan 11, 2005·94 cites·15 claims
- 0296US7378699B2Magnetic head having a magnetoresistive element and highly polarized spin injection layerHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 27, 2008·27 cites·14 claims
- 0396US6754100B1High output nonvolatile magnetic memoryHITACHI LTD·Filed 2003·Granted Jun 22, 2004·52 cites·16 claims
- 0495US8223203B2Camera for mounting in motor vehicleOHSUMI KEN·Filed 2008·Granted Jul 17, 2012·82 cites·4 claims
- 0595US6917088B2Magneto-resistive devicesHITACHI LTD·Filed 2002·Granted Jul 12, 2005·51 cites·20 claims
- 0694US7212385B2Ferromagnetic tunnel magnetoresistive devices and magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 1, 2007·12 cites·4 claims
- 0792US11302110B2Pedestrian action recognition and localization using RGB imagesHONDA MOTOR CO LTD·Filed 2020·Granted Apr 12, 2022·3 cites·20 claims
- 0892US7280322B2Magnetic sensor and magnetic head with the magnetic sensorHITACHI LTD·Filed 2004·Granted Oct 9, 2007·34 cites·8 claims
- 0991US6277859B1Morphinan derivative and its pharmaceutical applicationsTORAY INDUSTRIES·Filed 2000·Granted Aug 21, 2001·46 cites·13 claims
- 1089US8969505B2Process for manufacturing branched aromatic polycarbonate resin with desired degree of branchingISAHAYA YOSHINORI·Filed 2012·Granted Mar 3, 2015·6 cites·15 claims
- 1188US7110284B2Magnetic nonvolatile memory cell and magnetic random access memory using the sameHITACHI LTD·Filed 2004·Granted Sep 19, 2006·45 cites·20 claims
- 1288US4575603ATW-Electroerosion with controlled flushing flow guidance meansINOUE JAPAX RES·Filed 1984·Granted Mar 11, 1986·26 cites·30 claims
- 1387US7203090B2High output nonvolatile magnetic memoryHITACHI LTD·Filed 2006·Granted Apr 10, 2007·13 cites·6 claims
- 1486US6876523B2Magnetic head, and the magnetic read-write devices, and the magnetic memory with magnetic sensorsHITACHI LTD·Filed 2002·Granted Apr 5, 2005·20 cites·18 claims
- 1585US9353216B2High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compoundISAHAYA YOSHINORI·Filed 2012·Granted May 31, 2016·3 cites·16 claims
- 1685US6177438B1Morphinan derivatives and pharmaceutical use thereofTORAY INDUSTRIES·Filed 1996·Granted Jan 23, 2001·38 cites·6 claims
- 1784US9499661B2Process for producing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Nov 22, 2016·3 cites·11 claims
- 1884US6934133B2Three terminal magnetic head having a magnetic semiconductor and a tunnel magnetoresistive film and magnetic recording apparatus including the headHITACHI LTD·Filed 2003·Granted Aug 23, 2005·18 cites·28 claims
- 1981US8179438B2Vehicle camera systemHAYAKAWA JUN·Filed 2008·Granted May 15, 2012·7 cites·5 claims
- 2079US6323212B1Morphinan derivative and its pharmaceutical applicationsTORAY INDUSTRIES·Filed 1993·Granted Nov 27, 2001·36 cites·11 claims
- 2178US10053537B2High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compoundMITSUBISHI GAS CHEMICAL CO·Filed 2016·Granted Aug 21, 2018·1 cites·2 claims
- 2278US9428608B2Aromatic polycarbonate resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Aug 30, 2016·2 cites·11 claims
- 2378US8743593B2Magnetoresistance effect element and magnetic memory cell and magnetic random access memory using sameHAYAKAWA JUN·Filed 2009·Granted Jun 3, 2014·8 cites·17 claims
- 2478US7016161B2Magnetic head, magnetic head gimbal assembly, magnetic recording and reproducing apparatus, and magnetic memoryHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 21, 2006·10 cites·17 claims
- 2578US2022177646A1Aromatic polycarbonate resin composition and aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2022·Application pending·0 cites
- 2676US7872906B2Unidirectional-current magnetization-reversal magnetoresistance element and magnetic recording apparatusHITACHI LTD·Filed 2008·Granted Jan 18, 2011·7 cites·20 claims
- 2775US9546249B2Process for preparing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jan 17, 2017·2 cites·15 claims
- 2875US2024322752A1Power receiving systemHITACHI LTD·Filed 2024·Application pending·0 cites
- 2974US7755932B2Spin torque magnetic memory and offset magnetic field correcting method thereofHITACHI LTD·Filed 2008·Granted Jul 13, 2010·12 cites·15 claims
- 3074US7510620B2Process for laser welding resinous members, apparatus for the same and laser-welded resinous productTOYOTA MOTOR CO LTD·Filed 2004·Granted Mar 31, 2009·13 cites·1 claims
- 3174US7468542B2Magnetoresistive device and nonvolatile magnetic memory equipped with the sameHITACHI LTD·Filed 2006·Granted Dec 23, 2008·5 cites·17 claims
- 3273US7759750B2Magnetic memory cell and random access memoryHITACHI LTD·Filed 2007·Granted Jul 20, 2010·4 cites·5 claims
- 3372US9822218B2Process for producing a high molecular-weight aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2014·Granted Nov 21, 2017·1 cites·15 claims
- 3470US9097754B2Method of manufacturing magnetoresistive elementHITACHI HIGH TECH CORP·Filed 2013·Granted Aug 4, 2015·2 cites·11 claims
- 3570US8274818B2Magnetoresistive element, magnetic memory cell and magnetic random access memory using the sameOHNO HIDEO·Filed 2008·Granted Sep 25, 2012·7 cites·24 claims
- 3670US2024218534A1Photocatalytic apparatusHITACHI LTD·Filed 2023·Application pending·0 cites
- 3769US2023412124A1Power receiving systemHITACHI LTD·Filed 2023·Application pending·0 cites
- 3868US10446026B2On-vehicle device and road abnormality alert systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Oct 15, 2019·2 cites·6 claims
- 3968US8038828B2Process for laser welding resinous members, apparatus for the same and laser-welded resinous productTOYOTA MOTOR CO LTD·Filed 2009·Granted Oct 18, 2011·2 cites·3 claims
- 4068US6657830B2Magnetoresistive magnetic sensor with tunnel effect and magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Dec 2, 2003·11 cites·22 claims
- 4167US7102923B2High output nonvolatile magnetic memoryHITACHI LTD·Filed 2004·Granted Sep 5, 2006·6 cites·6 claims
- 4265US12434964B2Hydrogen production apparatusHITACHI LTD·Filed 2022·Granted Oct 7, 2025·0 cites·14 claims
- 4363US8189370B2Magnetic recording element, magnetic memory cell, and magnetic random access memoryHAYAKAWA JUN·Filed 2009·Granted May 29, 2012·5 cites·11 claims
- 4463US2017174833A1High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compoundMITSUBISHI GAS CHEMICAL CO·Filed 2017·Application pending·0 cites
- 4562US9458290B2Process for preparing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Oct 4, 2016·0 cites·5 claims
- 4662US2019085123A1Aromatic polycarbonate resin composition and aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2017·Application pending·0 cites
- 4761US7894244B2Tunnel magnetic resistance device, and magnetic memory cell and magnetic random access memory using the sameHITACHI LTD·Filed 2007·Granted Feb 22, 2011·2 cites·12 claims
- 4861US6826023B2Ferromagnetic tunnel magnetoresistive devices and magnetic headHITACHI LTD·Filed 2001·Granted Nov 30, 2004·6 cites·17 claims
- 4960US6906368B2Magnetic recording medium and magnetic memory apparatusHITACHI LTD·Filed 2003·Granted Jun 14, 2005·9 cites·14 claims
- 5059US7099126B2Ferromagnetic tunnel magnetoresistive devices and magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Aug 29, 2006·0 cites·11 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →