Inventor · disambiguated record
Naoki Ohta
Also filed as: OHTA NAOKI
92 granted patents·26 pending applications·370 citations·filing 1994–2025
99Inventor score
Top patents by PatentIndex Score
118 records- 0194US10416000B2Position detection device having magnetoresistive elementTDK CORP·Filed 2017·Granted Sep 17, 2019·6 cites·7 claims
- 0294US7177582B2Image forming apparatus using electrophotography and process cartridgeFUJI XEROX CO LTD·Filed 2005·Granted Feb 13, 2007·20 cites·14 claims
- 0393US7952839B2Magnetoresistive element including an antiferromagnetic layer disposed away from a detection surfaceTDK CORP·Filed 2008·Granted May 31, 2011·26 cites·13 claims
- 0493US6669983B2Manufacturing method of thin-film magnetic head with magnetoresistive effect elementTDK CORP·Filed 2002·Granted Dec 30, 2003·44 cites·39 claims
- 0589US8786278B2Three-dimensional magnetic field sensor and method of producing sameOHTA NAOKI·Filed 2012·Granted Jul 22, 2014·8 cites·7 claims
- 0689US7652854B2Magneto-resistive or tunneling magneto-resistive element having a shielding film of an amorphous layer above a crystalline layer, and method for manufacturing the sameTDK CORP·Filed 2006·Granted Jan 26, 2010·9 cites·12 claims
- 0788US7894166B2CPP GMR device with ferromagnetic layer split in depth directionTDK CORP·Filed 2007·Granted Feb 22, 2011·8 cites·9 claims
- 0887US11721618B2Electronic component packageTDK CORP·Filed 2020·Granted Aug 8, 2023·2 cites·15 claims
- 0987US7436633B2Thin-film magnetic head, head gimbal assembly and hard disk systemTDK CORP·Filed 2005·Granted Oct 14, 2008·8 cites·9 claims
- 1086US7952827B2Heat-assisted magnetic recording method using eddy current and head for heat-assisted magnetic recordingTDK CORP·Filed 2007·Granted May 31, 2011·7 cites·5 claims
- 1185US8090298B2Electrostatic charging member, electrostatic charging device, process cartridge and image forming apparatusHOSHIO TAKURO·Filed 2009·Granted Jan 3, 2012·8 cites·15 claims
- 1285US7948713B2Magnetic head slider using giant magnetostrictive materialTDK CORP·Filed 2007·Granted May 24, 2011·6 cites·5 claims
- 1384US8125743B2Thin-film magnetic head, magnetic head assembly, magnetic disk drive apparatus and method for manufacturing thin-film magnetic headOHTA NAOKI·Filed 2007·Granted Feb 28, 2012·6 cites·7 claims
- 1483US7770284B2Manufacturing method of magnetoresistive effect elementTDK CORP·Filed 2007·Granted Aug 10, 2010·5 cites·10 claims
- 1583US2025123340A1Magnetic sensor and magnetic sensor systemTDK CORP·Filed 2024·Application pending·0 cites
- 1682US8786280B2Magneto-resistance effect element and sensorYAMAZAKI HIROSHI·Filed 2010·Granted Jul 22, 2014·5 cites·15 claims
- 1781US7978438B2Thin-film magnetic head with shield layer profile having obtuse or rounded corners, magnetic head assembly, magnetic disk drive apparatus and manufacturing method of thin-film magnetic headTDK CORP·Filed 2007·Granted Jul 12, 2011·4 cites·16 claims
- 1881US7715155B2Thin-film magnetic head and manufacturing method thereofTDK CORP·Filed 2007·Granted May 11, 2010·4 cites·11 claims
- 1981US7583462B2Head amplifier with a heat controllerTDK CORP·Filed 2007·Granted Sep 1, 2009·4 cites·11 claims
- 2081US6856431B2Method and apparatus for facsimile transmission capable of effectively decreasing communication costsRICOH KK·Filed 2001·Granted Feb 15, 2005·21 cites·25 claims
- 2180US8085496B2Thin-film magnetic head with through holes reaching medium-opposed surfaceHACHISUKA NOZOMU·Filed 2007·Granted Dec 27, 2011·4 cites·16 claims
- 2280US7817381B2Thin film magnetic head which suppresses inflow of magnetic generated by bias-applying layers into a free layer from a layering directionTDK CORP·Filed 2007·Granted Oct 19, 2010·4 cites·8 claims
- 2378US8451003B2Magnetic sensor having magneto-resistive elements on a substrateYAMAZAKI HIROSHI·Filed 2010·Granted May 28, 2013·4 cites·17 claims
- 2478US7564653B2Magnetic disk drive apparatus with magnetic head sliders in a magnetic loop while in an unloaded stateTDK CORP·Filed 2006·Granted Jul 21, 2009·3 cites·7 claims
- 2577US8064160B2Magnetic head for perpendicular magnetic recording with coil wound around pole layerOHTA NAOKI·Filed 2007·Granted Nov 22, 2011·3 cites·6 claims
- 2676US10527687B2Magnetic sensor and method of manufacturing the sameTDK CORP·Filed 2017·Granted Jan 7, 2020·1 cites·7 claims
- 2774US12216183B2Magnetic sensor and magnetic sensor systemTDK CORP·Filed 2022·Granted Feb 4, 2025·0 cites·21 claims
- 2874US11769613B2Thermistor element and electromagnetic wave sensorTDK CORP·Filed 2021·Granted Sep 26, 2023·0 cites·8 claims
- 2974US7933099B2Thin-film magnetic head having electric lapping guide and method of making the sameTDK CORP·Filed 2007·Granted Apr 26, 2011·2 cites·10 claims
- 3073US11543473B2Magnetic sensorTDK CORP·Filed 2021·Granted Jan 3, 2023·0 cites·13 claims
- 3173US11474168B2Magnetic sensor deviceTDK CORP·Filed 2021·Granted Oct 18, 2022·0 cites·17 claims
- 3273US9900465B2Adjusting image data using divided areasOHTA NAOKI·Filed 2016·Granted Feb 20, 2018·2 cites·13 claims
- 3371US5851719ADeveloping sleeve for electrophotography and process for image formationFUJI XEROX CO LTD·Filed 1996·Granted Dec 22, 1998·21 cites·12 claims
- 3470US12205873B2Electronic component packageTDK CORP·Filed 2023·Granted Jan 21, 2025·0 cites·15 claims
- 3570US8310792B2Magneto-resistive element for a magneto-resistive device and method of manufacturing thereofOHTA NAOKI·Filed 2007·Granted Nov 13, 2012·3 cites·13 claims
- 3669US11073578B2Magnetic sensorTDK CORP·Filed 2020·Granted Jul 27, 2021·0 cites·10 claims
- 3769US8149547B2Magnetoresistive effect element and thin-film magnetic head with the magnetoresistive effect elementOHTA NAOKI·Filed 2008·Granted Apr 3, 2012·4 cites·17 claims
- 3869US7573675B2Thin film magnetic headTDK CORP·Filed 2006·Granted Aug 11, 2009·1 cites·13 claims
- 3968US12492942B2Structure body and electromagnetic wave sensorTDK CORP·Filed 2022·Granted Dec 9, 2025·0 cites·6 claims
- 4068US11067648B2Magnetic sensor and method of manufacturing the sameTDK CORP·Filed 2019·Granted Jul 20, 2021·0 cites·8 claims
- 4168US10135441B2Key input apparatusTDK CORP·Filed 2017·Granted Nov 20, 2018·1 cites·14 claims
- 4267US11536784B2Magnetic sensor and method of manufacturing suchTDK CORP·Filed 2021·Granted Dec 27, 2022·0 cites·20 claims
- 4367US11131727B2Magnetic sensor deviceTDK CORP·Filed 2019·Granted Sep 28, 2021·0 cites·13 claims
- 4467US9097561B2Position transducerCITIZEN CHIBA PREC CO LTD·Filed 2013·Granted Aug 4, 2015·3 cites·8 claims
- 4567US7858271B2Method of measuring dimension of pattern and method of forming patternTDK CORP·Filed 2008·Granted Dec 28, 2010·2 cites·18 claims
- 4667US6396848B1Apparatus and method of allowing user to browse history of relay transmission on data terminalRICOH KK·Filed 1998·Granted May 28, 2002·63 cites·48 claims
- 4766US10895474B2Magnetoresistive element and method of manufacturing such, and position detection deviceTDK CORP·Filed 2019·Granted Jan 19, 2021·0 cites·18 claims
- 4865US7916432B2Thin-film patterning method for magnetoresistive deviceTDK CORP·Filed 2007·Granted Mar 29, 2011·2 cites·4 claims
- 4965US7780344B2Method for evaluating the deterioration of magneto-resistive effect deviceTDK CORP·Filed 2007·Granted Aug 24, 2010·4 cites·8 claims
- 5065US2025051488A1Method for producing modified conjugated diene-based polymer, modified conjugated diene-based polymer, polymer composition, cross-linked product, and tireENEOS MAT CORPORATION·Filed 2022·Application pending·0 cites
Showing the top 50 of 118 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →