Inventor · disambiguated record
Naoyuki Narita
Also filed as: NARITA NAOYUKI
78 granted patents·9 pending applications·397 citations·filing 2012–2025
98Inventor score
Top patents by PatentIndex Score
87 records- 0199US11393493B1Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2021·Granted Jul 19, 2022·17 cites·20 claims
- 0299US10236021B2Magnetic recording apparatus having magnetic flux control part and magnetic recording head having magnetic flux control partTOSHIBA KK·Filed 2017·Granted Mar 19, 2019·82 cites·20 claims
- 0399US10186284B2Magnetic head and magnetic recording and reproducing deviceTOSHIBA KK·Filed 2017·Granted Jan 22, 2019·82 cites·19 claims
- 0498US11398244B2Magnetic head with stacked body having non-magnetic layers and differing length magnetic layersTOSHIBA KK·Filed 2021·Granted Jul 26, 2022·11 cites·12 claims
- 0598US10276193B2Magnetic head having magnetic pole and shield, and magnetic recording and reproducing deviceTOSHIBA KK·Filed 2018·Granted Apr 30, 2019·83 cites·18 claims
- 0697US11721359B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2022·Granted Aug 8, 2023·3 cites·12 claims
- 0796US11631423B2Magnetic recording deviceTOSHIBA KK·Filed 2022·Granted Apr 18, 2023·7 cites·21 claims
- 0895US10978098B1Magnetic recording deviceTOSHIBA KK·Filed 2020·Granted Apr 13, 2021·6 cites·17 claims
- 0994US12080325B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2023·Granted Sep 3, 2024·1 cites·17 claims
- 1094US9805745B1Magnetic recording and reproducing device comprising a magnetic head including a trailing shield and first and second shields having alternating magnetic and nonmagnetic layersTOSHIBA KK·Filed 2017·Granted Oct 31, 2017·19 cites·17 claims
- 1194US9330691B1Microwave assisted magnetic headTOSHIBA KK·Filed 2015·Granted May 3, 2016·18 cites·8 claims
- 1290US11710501B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2022·Granted Jul 25, 2023·2 cites·25 claims
- 1390US11705152B2Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic memberTOSHIBA KK·Filed 2022·Granted Jul 18, 2023·2 cites·6 claims
- 1489US12068004B2Magnetic recording deviceTOSHIBA KK·Filed 2023·Granted Aug 20, 2024·2 cites·20 claims
- 1589US8614861B1Magnetic recording head including a high-frequency oscillator and disk drive with the sameTOSHIBA KK·Filed 2012·Granted Dec 24, 2013·11 cites·12 claims
- 1687US11295766B2Magnetic recording device supplied with varying recording currentTOSHIBA KK·Filed 2021·Granted Apr 5, 2022·2 cites·5 claims
- 1786US12190917B2Magnetic head with multilayer configuration between magnetic poles and magnetic recording deviceTOSHIBA KK·Filed 2023·Granted Jan 7, 2025·2 cites·14 claims
- 1886US11443762B2Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic memberTOSHIBA KK·Filed 2021·Granted Sep 13, 2022·2 cites·13 claims
- 1985US9978404B2Magnetic recording head and disk device with the sameTOSHIBA KK·Filed 2015·Granted May 22, 2018·7 cites·20 claims
- 2083US12308051B2Magnetic head with multilayer configuration between magnetic poles and magnetic recording deviceTOSHIBA KK·Filed 2023·Granted May 20, 2025·1 cites·10 claims
- 2183US12154602B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2023·Granted Nov 26, 2024·1 cites·7 claims
- 2283US11004464B1Magnetic headTOSHIBA KK·Filed 2020·Granted May 11, 2021·2 cites·20 claims
- 2381US12165677B2Magnetic head with stacked body configurations and magnetic recording device including the sameTOSHIBA KK·Filed 2023·Granted Dec 10, 2024·1 cites·15 claims
- 2481US11881234B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2022·Granted Jan 23, 2024·1 cites·19 claims
- 2581US8675308B2Magnetic recording head with high frequency oscillator and disk drive with the sameTOSHIBA KK·Filed 2012·Granted Mar 18, 2014·5 cites·15 claims
- 2680US9583134B2Magnetic recording and reproducing deviceTOSHIBA KK·Filed 2015·Granted Feb 28, 2017·5 cites·20 claims
- 2779US8687322B1Magnetic recording head and disk drive including the sameTOSHIBA KK·Filed 2013·Granted Apr 1, 2014·4 cites·20 claims
- 2877US12437779B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2024·Granted Oct 7, 2025·0 cites·17 claims
- 2977US10403308B2Magnetic disk device which controls a recording operation and a non-recording operation of a recording head and a recording head control method of the magnetic disk deviceTOSHIBA KK·Filed 2018·Granted Sep 3, 2019·4 cites·8 claims
- 3076US10789976B2Magnetic head including first and second stacked bodies and current flow arrangements and magnetic recording and reproducing deviceTOSHIBA KK·Filed 2019·Granted Sep 29, 2020·3 cites·19 claims
- 3174US11138994B2Magnetic head and magnetic recording device having magnetic layers and non-magnetic layers between shield and magnetic poleTOSHIBA KK·Filed 2019·Granted Oct 5, 2021·2 cites·7 claims
- 3274US2025239272A1Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2025·Application pending·0 cites
- 3372US11062728B2Magnetic head having specific distance between magnetic pole, stacked body, and first shield, and magnetic recording device including sameTOSHIBA KK·Filed 2020·Granted Jul 13, 2021·1 cites·18 claims
- 3471US12033676B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2022·Granted Jul 9, 2024·0 cites·20 claims
- 3571US10657990B2Magnetic head and disk device having gap layers with different magnetic relative permeabilitiesTOSHIBA KK·Filed 2018·Granted May 19, 2020·2 cites·10 claims
- 3670US12367898B2Magnetic device, magnetic head, and magnetic recording deviceTOSHIBA KK·Filed 2024·Granted Jul 22, 2025·0 cites·18 claims
- 3768US12165676B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2023·Granted Dec 10, 2024·0 cites·20 claims
- 3867US10943607B2Magnetic recording device supplied with varying recording currentTOSHIBA KK·Filed 2019·Granted Mar 9, 2021·1 cites·12 claims
- 3967US10438616B2Magnetic recording head with specified thickness and saturation magnetic flux density products for STO magnetic layersTOSHIBA KK·Filed 2018·Granted Oct 8, 2019·1 cites·16 claims
- 4066US12300279B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2023·Granted May 13, 2025·0 cites·9 claims
- 4166US11062730B2Method for evaluating magnetic head and evaluation apparatus of magnetic headTOSHIBA KK·Filed 2020·Granted Jul 13, 2021·0 cites·20 claims
- 4266US10734017B2Magnetic head and magnetic recording and reproducing deviceTOSHIBA KK·Filed 2019·Granted Aug 4, 2020·1 cites·6 claims
- 4365US10902869B2Magnetic head having a magnetic layer and first and second conductive layers provided between a shield and a magnetic pole and magnetic recording and reproducing deviceTOSHIBA KK·Filed 2019·Granted Jan 26, 2021·1 cites·20 claims
- 4464US9886971B2Magnetic recording and reproducing device with stacked body configurationTOSHIBA KK·Filed 2016·Granted Feb 6, 2018·1 cites·14 claims
- 4563US11626130B2Magnetic head with stacked body having specified compositions of magnetic and nonmagnetic layers thereofTOSHIBA KK·Filed 2022·Granted Apr 11, 2023·0 cites·15 claims
- 4663US10943610B2Magnetic head with stacked body and insulating portion arrangement between magnetic pole and shieldTOSHIBA KK·Filed 2019·Granted Mar 9, 2021·1 cites·13 claims
- 4761US11521644B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2021·Granted Dec 6, 2022·0 cites·20 claims
- 4861US11462239B2Magnetic head and magnetic recording device having magnetic layers and nonmagnetic layers between shield and magnetic poleTOSHIBA KK·Filed 2021·Granted Oct 4, 2022·0 cites·5 claims
- 4959US2023334377A1Data processing device, data processing system, and data processing methodTOSHIBA KK·Filed 2023·Application pending·0 cites
- 5058US11417355B2Magnetic recording device including magnetic head which includes a stacked body with controlled electrical resistanceTOSHIBA KK·Filed 2021·Granted Aug 16, 2022·0 cites·14 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →