Inventor · disambiguated record
Hiromasa Takahashi
Also filed as: TAKAHASHI HIROMASA
109 granted patents·22 pending applications·1,066 citations·filing 1988–2025
99Inventor score
Top patents by PatentIndex Score
131 records- 0196US10338046B2Artificial olfactory sensing systemHITACHI LTD·Filed 2016·Granted Jul 2, 2019·13 cites·8 claims
- 0295US6917088B2Magneto-resistive devicesHITACHI LTD·Filed 2002·Granted Jul 12, 2005·51 cites·20 claims
- 0394US11426882B2Gripping tool, gripping system, and method for manufacturing resin memberTOSHIBA KK·Filed 2020·Granted Aug 30, 2022·17 cites·19 claims
- 0494US6791792B2Magnetic field sensor utilizing anomalous hall effect magnetic filmHITACHI LTD·Filed 2002·Granted Sep 14, 2004·63 cites·6 claims
- 0593US11980975B2Processing system, processing method, and storage mediumTOSHIBA KK·Filed 2020·Granted May 14, 2024·2 cites·16 claims
- 0693US11499296B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Nov 15, 2022·4 cites·3 claims
- 0793US11118328B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Sep 14, 2021·8 cites·7 claims
- 0893US9879405B2Hydraulic driving systemHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Jan 30, 2018·7 cites·4 claims
- 0993US7969692B2Magnetic reading head with first and second element units each including a ferromagnetic layer and each with a different spin-polarizationHITACHI LTD·Filed 2007·Granted Jun 28, 2011·15 cites·4 claims
- 1092US8874879B2Vector processing circuit, command issuance control method, and processor systemGE YI·Filed 2011·Granted Oct 28, 2014·21 cites·19 claims
- 1192US7596014B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted Sep 29, 2009·20 cites·11 claims
- 1292US7280322B2Magnetic sensor and magnetic head with the magnetic sensorHITACHI LTD·Filed 2004·Granted Oct 9, 2007·34 cites·8 claims
- 1392US7068452B2Method for recording magnetic information and magnetic recording systemHITACHI LTD·Filed 2005·Granted Jun 27, 2006·15 cites·12 claims
- 1491US11319693B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted May 3, 2022·4 cites·5 claims
- 1591US10906186B2Robot hand device and carrier apparatus using the robot hand deviceTOSHIBA KK·Filed 2017·Granted Feb 2, 2021·15 cites·13 claims
- 1691US8238064B2Magnetic head and magnetic recording apparatusYAMADA MASAKI·Filed 2008·Granted Aug 7, 2012·12 cites·20 claims
- 1791US6456466B1Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic headHITACHI LTD·Filed 2000·Granted Sep 24, 2002·29 cites·14 claims
- 1890US11111651B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Sep 7, 2021·5 cites·5 claims
- 1990US8295006B2Magnetic sensor, magnetic head, and magnetic memory by using spin Hall devicesSUGANO RYOKO·Filed 2008·Granted Oct 23, 2012·35 cites·15 claims
- 2090US7253995B2Magnetic head and magnetic recording/reproducing deviceHITACHI LTD·Filed 2004·Granted Aug 7, 2007·29 cites·14 claims
- 2190US7209328B2Magnetic read head and hard disk driveHITACHI LTD·Filed 2004·Granted Apr 24, 2007·28 cites·14 claims
- 2289US8072713B2Magnetic reading head and magnetic recording apparatusYAMADA MASAKI·Filed 2008·Granted Dec 6, 2011·17 cites·12 claims
- 2388US10829908B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Nov 10, 2020·4 cites·7 claims
- 2487US10415215B2Drive system for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Sep 17, 2019·6 cites·5 claims
- 2587US7443718B2Magnetic memory deviceHITACHI LTD·Filed 2006·Granted Oct 28, 2008·18 cites·19 claims
- 2686US6876523B2Magnetic 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
- 2785US6937434B2Magnetic field sensor utilizing anomalous hall effect magnetic filmHITACHI LTD·Filed 2004·Granted Aug 30, 2005·26 cites·14 claims
- 2884US9903094B2Work machine driving deviceHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Feb 27, 2018·8 cites·2 claims
- 2983US10222425B2Battery control IC and control method thereforeRENESAS ELECTRONICS CORP·Filed 2017·Granted Mar 5, 2019·2 cites·9 claims
- 3083US7436613B2Magnetic recording deviceHITACHI LTD·Filed 2007·Granted Oct 14, 2008·4 cites·7 claims
- 3182US9783960B2Driving device for work machineHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Oct 10, 2017·5 cites·5 claims
- 3282US6947316B2Magnetoresistive sensor including magnetic domain control layers having high electric resistivity, magnetic head and magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Sep 20, 2005·19 cites·6 claims
- 3381US7864473B2Electric field applying magnetic recording method and magnetic recording systemHITACHI LTD·Filed 2007·Granted Jan 4, 2011·4 cites·16 claims
- 3480US7732005B2Method for producing recording medium, recording medium employing said method, and information recording and reproducing apparatusHITACHI LTD·Filed 2005·Granted Jun 8, 2010·4 cites·14 claims
- 3579US4989062ASemiconductor integrated circuit device having multilayer power supply linesFUJITSU LTD·Filed 1988·Granted Jan 29, 1991·59 cites·7 claims
- 3678US8743593B2Magnetoresistance effect element and magnetic memory cell and magnetic random access memory using sameHAYAKAWA JUN·Filed 2009·Granted Jun 3, 2014·8 cites·17 claims
- 3778US6393561B1Disk drive computer with programmable nonvolatile memory capable of rewriting a control program of the disk driveHITACHI LTD·Filed 1997·Granted May 21, 2002·74 cites·23 claims
- 3877US10947699B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Mar 16, 2021·3 cites·8 claims
- 3977US6870718B2Magnetoresistive sensor including magnetic domain control layers having high electric resistivityHITACHI LTD·Filed 2001·Granted Mar 22, 2005·15 cites·6 claims
- 4077US6693774B2Magnetoresistive sensor and magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Feb 17, 2004·11 cites·14 claims
- 4176US7872906B2Unidirectional-current magnetization-reversal magnetoresistance element and magnetic recording apparatusHITACHI LTD·Filed 2008·Granted Jan 18, 2011·7 cites·20 claims
- 4276US7508625B2Magnetic recording deviceHITACHI LTD·Filed 2007·Granted Mar 24, 2009·2 cites·6 claims
- 4376US6643105B2Magnetic head having magnetic shield layersHITACHI LTD·Filed 2002·Granted Nov 4, 2003·9 cites·2 claims
- 4476US2025269671A1Print systemBROTHER IND LTD·Filed 2025·Application pending·0 cites
- 4574US10946532B2Gripping tool and gripping systemTOSHIBA KK·Filed 2019·Granted Mar 16, 2021·3 cites·18 claims
- 4674US8644058B2Spin-injection element, and magnetic field sensor and magnetic recording memory employing the sameYAMADA MASAKI·Filed 2010·Granted Feb 4, 2014·3 cites·14 claims
- 4774US5481489AMethod of and apparatus for discriminating NaNFUJITSU LTD·Filed 1993·Granted Jan 2, 1996·78 cites·13 claims
- 4873US10907323B1Hydraulic drive device for working machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Feb 2, 2021·2 cites·10 claims
- 4973US10044198B2Battery control IC, battery pack, and authentication method thereofRENESAS ELECTRONICS CORP·Filed 2016·Granted Aug 7, 2018·2 cites·15 claims
- 5073US7593253B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted Sep 22, 2009·7 cites·20 claims
Showing the top 50 of 131 patent records by PatentIndex Score.
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