Inventor · disambiguated record
Eiji Nakashio
Also filed as: NAKASHIO EIJI
45 granted patents·6 pending applications·244 citations·filing 1999–2023
97Inventor score
Top patents by PatentIndex Score
51 records- 0197US10796724B1Magnetic recording mediumSONY CORP·Filed 2019·Granted Oct 6, 2020·27 cites·32 claims
- 0295US11107505B2CartridgeSONY CORP·Filed 2020·Granted Aug 31, 2021·5 cites·26 claims
- 0393US11423946B2Cartridge including tape-shaped magnetic recording mediumSONY GROUP CORP·Filed 2021·Granted Aug 23, 2022·3 cites·26 claims
- 0493US7400078B2Vibrating gyrosensorSONY CORP·Filed 2006·Granted Jul 15, 2008·16 cites·17 claims
- 0591US11664054B2Cartridge including tape-shaped magnetic recording mediumSONY CORP·Filed 2022·Granted May 30, 2023·2 cites·27 claims
- 0687US6563682B1Magneto resistive elementSONY CORP·Filed 2000·Granted May 13, 2003·23 cites·14 claims
- 0784US10204651B2Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particlesSONY CORP·Filed 2015·Granted Feb 12, 2019·6 cites·9 claims
- 0884US6760201B2Magnetic tunnel element and its manufacturing method, thin-film magnetic head, magnetic memory and magnetic sensorSONY CORP·Filed 2002·Granted Jul 6, 2004·19 cites·5 claims
- 0982US11551715B2Cartridge memory and control method for the same, cartridge, and recording and reproducing systemSONY CORP·Filed 2019·Granted Jan 10, 2023·3 cites·8 claims
- 1081US7578187B2Vibrating gyroscopic sensor and method of adjusting vibrating gyroscopic sensorSONY CORP·Filed 2007·Granted Aug 25, 2009·11 cites·48 claims
- 1181US6704178B2Multichannel magnetic head using magnetoresistive effectSONY CORP·Filed 2002·Granted Mar 9, 2004·15 cites·3 claims
- 1279US7583012B2Piezoelectric element and method for manufacturing piezoelectric elementSONY CORP·Filed 2006·Granted Sep 1, 2009·8 cites·10 claims
- 1378US7268971B2Magnetic head apparatus and drive apparatus including magnetic head apparatusSONY CORP·Filed 2005·Granted Sep 11, 2007·4 cites·6 claims
- 1477US7325452B2Vibrating gyroscopic sensor and method of adjusting vibrating gyroscopic sensorSONY CORP·Filed 2006·Granted Feb 5, 2008·9 cites·25 claims
- 1576US7092224B2Magnetic tunnel effect type magnetic head, and method of producing sameSONY CORP·Filed 2005·Granted Aug 15, 2006·2 cites·1 claims
- 1675US9001455B2Magnetic recording medium, servo signal recording apparatus and method of producing magnetic recording mediumSONY CORP·Filed 2014·Granted Apr 7, 2015·3 cites·12 claims
- 1774US7723901B2Vibrating gyrosensor and vibrating elementSONY CORP·Filed 2006·Granted May 25, 2010·10 cites·18 claims
- 1873US12020730B2Cartridge including tape-shaped magnetic recording mediumSONY CORP·Filed 2023·Granted Jun 25, 2024·0 cites·28 claims
- 1971US6678126B2Magnetoresistance-effect magnetic headSONY CORP·Filed 2001·Granted Jan 13, 2004·10 cites·10 claims
- 2070US11373681B2Cartridge memory used for tape cartridge, tape cartridge, data management system, and cartridge memory used for recording medium cartridgeSONY CORP·Filed 2019·Granted Jun 28, 2022·2 cites·17 claims
- 2169US7723905B2Vibrating gyrosensor driven with offset potentialSONY CORP·Filed 2008·Granted May 25, 2010·5 cites·7 claims
- 2269US6519123B1Method to manufacture magnetic tunneling elements using inductively coupled plasmaSONY CORP·Filed 1999·Granted Feb 11, 2003·30 cites·12 claims
- 2366US10971186B2Cartridge memory, recording medium cartridge, and method of producing the sameSONY CORP·Filed 2019·Granted Apr 6, 2021·1 cites·9 claims
- 2465US10984819B2Magnetic tape recording device including cartridge memory having a plurality of memory banksSONY CORP·Filed 2019·Granted Apr 20, 2021·1 cites·13 claims
- 2565US6909584B2Magnetic tunnel effect type magnetic head having a magnetic tunnel junction element sandwiched with conductive gap layers between a pair of magnetic shielding layersSONY CORP·Filed 2001·Granted Jun 21, 2005·4 cites·12 claims
- 2664US11145329B2Recording medium cartridge and drive deviceSONY CORP·Filed 2019·Granted Oct 12, 2021·1 cites·8 claims
- 2764US6873502B2Magnetic tunnel effect type magnetic head, and method of producing sameSONY CORP·Filed 2001·Granted Mar 29, 2005·4 cites·9 claims
- 2862US11393506B2Cartridge memorySONY CORP·Filed 2021·Granted Jul 19, 2022·0 cites·12 claims
- 2962US11328742B2Cartridge memory having a plurality of memory banks , tape cartridge, and recording and reproducing systemSONY GROUP CORP·Filed 2021·Granted May 10, 2022·0 cites·13 claims
- 3059US10872633B2Magnetic recording medium, laminate, and flexible deviceSONY CORP·Filed 2017·Granted Dec 22, 2020·1 cites·20 claims
- 3159US6452760B1Magnetoresistive effect magnetic head and rotary magnetic head apparatusSONY CORP·Filed 2000·Granted Sep 17, 2002·4 cites·2 claims
- 3256US11955148B2Cleaning tape and cartridgeSONY GROUP CORP·Filed 2020·Granted Apr 9, 2024·0 cites·15 claims
- 3355US11562197B2Non-contact communication medium and recording medium cartridgeSONY CORP·Filed 2019·Granted Jan 24, 2023·0 cites·8 claims
- 3455US7511928B2Magnetic tunnel effect type magnetic head, and recorder/playerSONY CORP·Filed 2005·Granted Mar 31, 2009·0 cites·2 claims
- 3554US7092225B2Magnetic tunnel effect type magnetic head, and method of producing sameSONY CORP·Filed 2005·Granted Aug 15, 2006·0 cites·1 claims
- 3653US10839848B2Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particlesSONY CORP·Filed 2018·Granted Nov 17, 2020·0 cites·17 claims
- 3752US11790945B2Cartridge, memory, data recording apparatus, and data reproduction apparatus including information for adjusting magnetic tape widthSONY CORP·Filed 2020·Granted Oct 17, 2023·0 cites·20 claims
- 3851US6312840B1Magnetic tunneling element and manufacturing method thereforSONY CORP·Filed 1999·Granted Nov 6, 2001·15 cites·19 claims
- 3950US11715492B2Cartridge including cartridge case housing magnetic tape and memory storing information for adjusting tape width, data recording apparatus, and data reproduction apparatusSONY CORP·Filed 2019·Granted Aug 1, 2023·0 cites·28 claims
- 4049US2008222865A1Piezoelectric element and method for manuacturing piezoelectric elementSONY CORP·Filed 2008·Application pending·0 cites
- 4148US11348615B2Cartridge memory for magnetic tape cartridge, control method therefor, cartridge, and recording/reproduction systemSONY CORP·Filed 2019·Granted May 31, 2022·0 cites·14 claims
- 4247US2021375317A1Non-contact communication medium, recording medium cartridge, method of driving non-contact communication medium, and programSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2019·Application pending·0 cites
- 4346US7057860B2Magnetic tunnel effect type magnetic head having a magnetic tunnel junction element, and recorder/playerSONY CORP·Filed 2004·Granted Jun 6, 2006·0 cites·4 claims
- 4445US2009320593A1Vibration type gyro sensorSONY CORP·Filed 2007·Application pending·0 cites
- 4543US11355145B2Magnetic recording mediumSONY CORP·Filed 2016·Granted Jun 7, 2022·0 cites·8 claims
- 4642US10210892B2Magnetic recording medium having a protective layerSONY CORP·Filed 2016·Granted Feb 19, 2019·0 cites·10 claims
- 4739US12394436B2Magnetic recording mediumSONY CORP·Filed 2016·Granted Aug 19, 2025·0 cites·22 claims
- 4839US2024404555A1Magnetic recording medium and magnetic recording medium cartridgeSONY GROUP CORP·Filed 2022·Application pending·0 cites
- 4935US2020321025A1Magnetic recording medium, laminate, and flexible deviceSONY CORP·Filed 2017·Application pending·0 cites
- 5034US2010323222A1Magnetic recording medium and method for manufacturing the sameSONY CORP·Filed 2010·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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