Inventor · disambiguated record
Matahiro Komuro
Also filed as: KOMURO MATAHIRO
56 granted patents·36 pending applications·508 citations·filing 1986–2023
98Inventor score
Files withHITACHI LTD60KOMURO MATAHIRO13HITACHI CHEMICAL CO LTD3HITACHI GLOBAL STORAGE TECH2IMAGAWA TAKAO2
Top patents by PatentIndex Score
92 records- 0191US7696662B2High resistance magnet and motor using the sameHITACHI LTD·Filed 2007·Granted Apr 13, 2010·18 cites·22 claims
- 0290US6325900B1Spin tunnel magneto-resistance effect type magnetic sensor and production method thereofHITACHI LTD·Filed 2000·Granted Dec 4, 2001·35 cites·1 claims
- 0390US6034847AApparatus and thin film magnetic head with magnetic membrane layers of different resistivityHITACHI LTD·Filed 1997·Granted Mar 7, 2000·64 cites·10 claims
- 0489US7179340B2Rare-earth magnet and manufacturing method thereof and magnet motorHITACHI LTD·Filed 2005·Granted Feb 20, 2007·12 cites·9 claims
- 0589US6530141B2Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequencyHITACHI LTD·Filed 2001·Granted Mar 11, 2003·24 cites·12 claims
- 0688US8358040B2Permanent magnet type electric rotating machineHITACHI LTD·Filed 2006·Granted Jan 22, 2013·16 cites·17 claims
- 0787US10240225B2Steel material, material processing method, and material processing apparatusHITACHI LTD·Filed 2015·Granted Mar 26, 2019·2 cites·1 claims
- 0887US6327107B1Spin tunnel magneto-resistance effect type magnetic sensor and production method thereofHITACHI LTD·Filed 1999·Granted Dec 4, 2001·48 cites·5 claims
- 0986US8303732B2Rare earth magnetSUZUKI HIROYUKI·Filed 2010·Granted Nov 6, 2012·3 cites·12 claims
- 1086US7972450B2High resistance magnet and motor using the sameHITACHI LTD·Filed 2010·Granted Jul 5, 2011·7 cites·25 claims
- 1186US6510025B2Thin film magnetic head including a protrusion structure and an insulation film in a magnetic coreHITACHI LTD·Filed 2001·Granted Jan 21, 2003·17 cites·6 claims
- 1284US7352184B2MRI apparatus with high-resistance magnetHITACHI LTD·Filed 2006·Granted Apr 1, 2008·10 cites·9 claims
- 1383US8222785B2High resistance magnet and motor using the sameKOMURO MATAHIRO·Filed 2011·Granted Jul 17, 2012·4 cites·8 claims
- 1483US7800271B2Sintered magnet and rotating machine equipped with the sameHITACHI LTD·Filed 2009·Granted Sep 21, 2010·11 cites·14 claims
- 1581US6091582AThin film magnetic recording head with very narrow track width performing high density recording at high driving frequencyHITACHI LTD·Filed 1998·Granted Jul 18, 2000·31 cites·14 claims
- 1680US7906881B2MotorHITACHI LTD·Filed 2006·Granted Mar 15, 2011·10 cites·17 claims
- 1780US7569114B2Rare-earth magnet and manufacturing method thereof and magnet motorHITACHI LTD·Filed 2007·Granted Aug 4, 2009·6 cites·12 claims
- 1880US6219206B1Magneto-resistive effect type headHITACHI LTD·Filed 1999·Granted Apr 17, 2001·33 cites·20 claims
- 1979US7880357B2Sintered magnet and rotating machine equipped with the sameHITACHI LTD·Filed 2009·Granted Feb 1, 2011·8 cites·13 claims
- 2078US7927501B2Rare earth element magnet and method of manufacturing sameHITACHI LTD·Filed 2007·Granted Apr 19, 2011·4 cites·17 claims
- 2178US5563752AMagnetic recording and reproducing device using a giant magnetoresistive filmHITACHI LTD·Filed 1994·Granted Oct 8, 1996·41 cites·6 claims
- 2277US8821649B2Magnetic material and motor using the sameKANDA TAKAYUKI·Filed 2011·Granted Sep 2, 2014·5 cites·9 claims
- 2376US8350430B2Rotating machine with sintered magnet and method for producing sintered magnetHITACHI LTD·Filed 2012·Granted Jan 8, 2013·3 cites·6 claims
- 2475US7914695B2Magnet using binding agent and method of manufacturing the sameHITACHI LTD·Filed 2007·Granted Mar 29, 2011·3 cites·16 claims
- 2574US7399368B2Motor using magnetHITACHI LTD·Filed 2006·Granted Jul 15, 2008·5 cites·2 claims
- 2674US6504690B2Spin-tunnel magneto-resistance type magnetic sensorHITACHI LTD·Filed 2001·Granted Jan 7, 2003·13 cites·3 claims
- 2774US6404604B2Magneto-resistive effect type headHITACHI LTD·Filed 2001·Granted Jun 11, 2002·10 cites·8 claims
- 2871US7816820B2Compacted magnetic core with high resistance, manufacturing method thereof, and motor for electric carHITACHI LTD·Filed 2007·Granted Oct 19, 2010·2 cites·21 claims
- 2968US6587318B2Spin tunnel magneto-resistance effect type magnetic sensor and production method thereofHITACHI LTD·Filed 2001·Granted Jul 1, 2003·9 cites·4 claims
- 3066US9129731B2Sintered magnetKOMURO MATAHIRO·Filed 2012·Granted Sep 8, 2015·1 cites·8 claims
- 3164US12431269B2Soft magnetic steel sheet, method for manufacturing the soft magnetic steel sheet, and core and dynamo-electric machine in which the soft magnetic steel sheet is usedHITACHI LTD·Filed 2020·Granted Sep 30, 2025·0 cites·7 claims
- 3264US8388769B2Powdered-iron magnet and rotating machine using the sameKOMURO MATAHIRO·Filed 2006·Granted Mar 5, 2013·3 cites·21 claims
- 3364US7806991B2Low loss magnet and magnetic circuit using the sameHITACHI LTD·Filed 2006·Granted Oct 5, 2010·3 cites·19 claims
- 3463US6882507B2Integrated thin film head with magneto-resistive sensor preventing short circuit between thin filmsHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Apr 19, 2005·4 cites·12 claims
- 3562US12234534B2Sintered magnet and production method for sintered magnetHITACHI LTD·Filed 2019·Granted Feb 25, 2025·0 cites·7 claims
- 3662US2024194383A1Soft Magnetic Iron Alloy Plate, Method for Manufacturing Soft Magnetic Iron Alloy Plate, and Iron Core and Rotating Electric Machine Employing Soft Magnetic Iron Alloy PlateHITACHI LTD·Filed 2022·Application pending·0 cites
- 3761US12129558B2Soft magnetic material and method for producing the same, and electric motor containing soft magnetic materialHITACHI LTD·Filed 2019·Granted Oct 29, 2024·0 cites·17 claims
- 3861US7876012B2Dynamo electric machine with an alloy memberHITACHI LTD·Filed 2006·Granted Jan 25, 2011·2 cites·10 claims
- 3961US2008241368A1Treating solution for forming fluoride coating film and method for forming fluoride coating filmKOMURO MATAHIRO·Filed 2008·Application pending·0 cites
- 4060US8226779B2Compacted magnetic core, production method of the same, and motor for electric vehicleIMAGAWA TAKAO·Filed 2008·Granted Jul 24, 2012·1 cites·8 claims
- 4159US12512239B2Soft magnetic iron sheet, method for producing soft magnetic iron sheet, and, iron core and dynamo-electric machine, each using soft magnetic iron sheetHITACHI LTD·Filed 2021·Granted Dec 30, 2025·0 cites·12 claims
- 4259US7064642B2Motor using magnetHITACHI LTD·Filed 2003·Granted Jun 20, 2006·5 cites·18 claims
- 4359US2025037911A1Soft magnetic iron alloy plate, iron core using the soft magnetic iron alloy plate, and rotating electric machineHITACHI LTD·Filed 2022·Application pending·0 cites
- 4458US9373432B2Alcoholic solution and sintered magnetHITACHI CHEMICAL CO LTD·Filed 2012·Granted Jun 21, 2016·0 cites·6 claims
- 4558US2023287546A1Soft Magnetic Material, Method for Producing Soft Magnetic Material, and Electric MotorHITACHI LTD·Filed 2021·Application pending·0 cites
- 4656US8119260B2Rare-earth magnetKOMURO MATAHIRO·Filed 2005·Granted Feb 21, 2012·1 cites·4 claims
- 4756US7862654B2Treating agent for forming a fluoride coating film and method for forming a fluoride coating filmHITACHI CHEMICAL CO LTD·Filed 2010·Granted Jan 4, 2011·0 cites·8 claims
- 4856US7815726B2Treating agent for forming a fluoride coating film and method for forming a fluoride coating filmHITACHI CHEMICAL CO LTD·Filed 2007·Granted Oct 19, 2010·0 cites·8 claims
- 4956US2013278104A1Rare Earth Magnet and Motor Using the SameHITACHI LTD·Filed 2013·Application pending·0 cites
- 5055US7871475B2Rare-earth magnet and manufacturing method thereof and magnet motorHITACHI LTD·Filed 2009·Granted Jan 18, 2011·0 cites·7 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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