Inventor · disambiguated record
Hiraku Hirabayashi
Also filed as: HIRABAYASHI HIRAKU
140 granted patents·29 pending applications·335 citations·filing 2004–2025
99Inventor score
Top patents by PatentIndex Score
169 records- 0198US11360286B2Magnetic sensor, magnetic encoder, and lens position detection deviceTDK CORP·Filed 2021·Granted Jun 14, 2022·8 cites·15 claims
- 0297US11892527B2Magnetic sensorTDK CORP·Filed 2022·Granted Feb 6, 2024·2 cites·14 claims
- 0397US11656301B2Magnetic sensor including magnetoresistive effect element and sealed chipTDK CORP·Filed 2022·Granted May 23, 2023·2 cites·12 claims
- 0497US11531071B2Magnetic field detection deviceTDK CORP·Filed 2021·Granted Dec 20, 2022·3 cites·8 claims
- 0597US11372029B2Magnetic field detection apparatus and current detection apparatusTDK CORP·Filed 2020·Granted Jun 28, 2022·3 cites·12 claims
- 0696US11598653B2Rotational angle detection apparatus and rotating machine apparatusTDK CORP·Filed 2022·Granted Mar 7, 2023·2 cites·13 claims
- 0796US8023225B2Thermally assisted magnetic head with optical waveguideTDK CORP·Filed 2008·Granted Sep 20, 2011·29 cites·6 claims
- 0895US11686788B2Magnetic sensor device and magnetic sensor systemTDK CORP·Filed 2022·Granted Jun 27, 2023·2 cites·22 claims
- 0995US10557896B2Magnetic sensorTDK CORP·Filed 2017·Granted Feb 11, 2020·4 cites·30 claims
- 1094US10712178B2Position detection device for detecting position of an object moving in a predetermined direction, and a magnetic sensor for use with the position detection deviceTDK CORP·Filed 2018·Granted Jul 14, 2020·6 cites·15 claims
- 1194US8295010B2Thermally assisted magnetic head, head gimbal assembly, and hard disk driveSHIMAZAWA KOJI·Filed 2008·Granted Oct 23, 2012·17 cites·15 claims
- 1294US7649713B2Thin-film magnetic head with heating element and heatsinkTDK CORP·Filed 2006·Granted Jan 19, 2010·22 cites·33 claims
- 1394US7612965B2Thin-film magnetic head having heatsink wider on air bearing surface sideTDK CORP·Filed 2005·Granted Nov 3, 2009·18 cites·27 claims
- 1493US11002803B2Magnetic field detection deviceTDK CORP·Filed 2019·Granted May 11, 2021·4 cites·7 claims
- 1593US10712177B2Position detection deviceTDK CORP·Filed 2018·Granted Jul 14, 2020·4 cites·10 claims
- 1693US10006789B2Correction apparatus for angle sensor, and angle sensorTDK CORP·Filed 2017·Granted Jun 26, 2018·7 cites·21 claims
- 1793US8604780B2Rotating field sensorSARUKI SHUNJI·Filed 2011·Granted Dec 10, 2013·15 cites·17 claims
- 1893US8232795B2Magnetic sensorSARUKI SHUNJI·Filed 2010·Granted Jul 31, 2012·15 cites·17 claims
- 1993US7974046B2Thin-film magnetic head with heating portion and protrusion adjustment portion, head gimbal assembly equipped head, magnetic recording/reproducing apparatus equipped HGA, and manufacturing method of headTDK CORP·Filed 2007·Granted Jul 5, 2011·17 cites·19 claims
- 2092US12332282B2Magnetic field detection apparatus and current detection apparatusTDK CORP·Filed 2024·Granted Jun 17, 2025·0 cites·13 claims
- 2192US12188996B2Magnetic sensor deviceTDK CORP·Filed 2022·Granted Jan 7, 2025·1 cites·15 claims
- 2292US11333717B2Magnetic field detection deviceTDK CORP·Filed 2020·Granted May 17, 2022·2 cites·10 claims
- 2392US11209503B2Magnetic sensorTDK CORP·Filed 2019·Granted Dec 28, 2021·4 cites·15 claims
- 2491US8659289B2Rotating field sensorSARUKI SHUNJI·Filed 2011·Granted Feb 25, 2014·13 cites·17 claims
- 2591US7239480B2Thin film magnetic head having an upper pole portion with a width that increases towards an absTDK CORP·Filed 2005·Granted Jul 3, 2007·15 cites·12 claims
- 2690US10697801B2Rotational angle detection apparatus and rotating machine apparatusTDK CORP·Filed 2017·Granted Jun 30, 2020·3 cites·12 claims
- 2790US8466676B2Magnetic sensor with bridge circuit including magnetoresistance effect elementsSARUKI SHUNJI·Filed 2010·Granted Jun 18, 2013·10 cites·2 claims
- 2889US2025298095A1Sensor unitTDK CORP·Filed 2025·Application pending·0 cites
- 2988US12298363B2Magnetic sensor having magnetoresistive effect element with inclined magnetization direction of pinned layerTDK CORP·Filed 2024·Granted May 13, 2025·0 cites·18 claims
- 3088US11156478B2Magnetic sensorTDK CORP·Filed 2020·Granted Oct 26, 2021·2 cites·16 claims
- 3188US2025271471A1Magnetic field detection apparatus and current detection apparatusTDK CORP·Filed 2025·Application pending·0 cites
- 3287US12455177B2Position detection deviceTDK CORP·Filed 2024·Granted Oct 28, 2025·0 cites·14 claims
- 3387US12352830B2Sensor unitTDK CORP·Filed 2024·Granted Jul 8, 2025·0 cites·5 claims
- 3487US2025258250A1Magnetic field detection deviceTDK CORP·Filed 2025·Application pending·0 cites
- 3586US11274942B2Position detection deviceTDK CORP·Filed 2020·Granted Mar 15, 2022·2 cites·6 claims
- 3686US11009567B2Magnetic sensor and camera moduleTDK CORP·Filed 2018·Granted May 18, 2021·2 cites·17 claims
- 3786US10836429B2Angle sensor and angle sensor systemTDK CORP·Filed 2017·Granted Nov 17, 2020·3 cites·19 claims
- 3886US9175942B2Magnetic sensor systemTDK CORP·Filed 2013·Granted Nov 3, 2015·6 cites·6 claims
- 3986US8909489B2Rotating field sensorSARUKI SHUNJI·Filed 2011·Granted Dec 9, 2014·7 cites·13 claims
- 4086US8589105B2Rotating field sensorKOMASAKI YOSUKE·Filed 2011·Granted Nov 19, 2013·8 cites·17 claims
- 4186US7675716B2Composite thin-film magnetic head, magnetic head assembly and magnetic disk drive apparatusTDK CORP·Filed 2006·Granted Mar 9, 2010·8 cites·51 claims
- 4286US2025334653A1Magnetic sensorTDK CORP·Filed 2025·Application pending·0 cites
- 4386US2025258253A1Magnetic sensor and magnetic sensor systemTDK CORP·Filed 2025·Application pending·0 cites
- 4485US12313704B2Magnetic field detection deviceTDK CORP·Filed 2023·Granted May 27, 2025·0 cites·9 claims
- 4585US10775195B2Rotation angle sensing deviceTDK CORP·Filed 2017·Granted Sep 15, 2020·3 cites·6 claims
- 4685US7813085B2Thin-film magnetic head having laminate shields for tolerating external magnetic fieldTDK CORP·Filed 2007·Granted Oct 12, 2010·6 cites·27 claims
- 4784US12320872B2Magnetic sensor and magnetic sensor systemTDK CORP·Filed 2023·Granted Jun 3, 2025·0 cites·12 claims
- 4884US12248040B2Magnetic sensor including magnetic detection element disposed on inclined surfaceTDK CORP·Filed 2023·Granted Mar 11, 2025·0 cites·15 claims
- 4984US10712404B2Angle sensor and angle sensor systemTDK CORP·Filed 2017·Granted Jul 14, 2020·2 cites·17 claims
- 5084US10627255B2Position detection deviceTDK CORP·Filed 2018·Granted Apr 21, 2020·3 cites·7 claims
Showing the top 50 of 169 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →