Inventor
NAKASHIO EIJI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “NAKASHIO EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
42 patentsUS10796724B1Oct 6, 2020
Magnetic recording medium
SONY CORP27 citations93
US7400078B2Jul 15, 2008
Vibrating gyrosensor
SONY CORP16 citations92
US6760201B2Jul 6, 2004
Magnetic tunnel element and its manufacturing method, thin-film magnetic head, magnetic memory and magnetic sensor
SONY CORP19 citations92
US6563682B1May 13, 2003
Magneto resistive element
SONY CORP23 citations92
US6519123B1Feb 11, 2003
Method to manufacture magnetic tunneling elements using inductively coupled plasma
SONY CORP30 citations92
US7723901B2May 25, 2010
Vibrating gyrosensor and vibrating element
SONY CORP10 citations84
US7583012B2Sep 1, 2009
Piezoelectric element and method for manufacturing piezoelectric element
SONY CORP8 citations84
US7578187B2Aug 25, 2009
Vibrating gyroscopic sensor and method of adjusting vibrating gyroscopic sensor
SONY CORP11 citations84
US7325452B2Feb 5, 2008
Vibrating gyroscopic sensor and method of adjusting vibrating gyroscopic sensor
SONY CORP9 citations84
US6312840B1Nov 6, 2001
Magnetic tunneling element and manufacturing method therefor
SONY CORP15 citations84
US11107505B2Aug 31, 2021
Cartridge
SONY CORP5 citations83
US10204651B2Feb 12, 2019
Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles
SONY CORP6 citations83
US6704178B2Mar 9, 2004
Multichannel magnetic head using magnetoresistive effect
SONY CORP15 citations83
US11373681B2Jun 28, 2022
Cartridge memory used for tape cartridge, tape cartridge, data management system, and cartridge memory used for recording medium cartridge
SONY CORP2 citations73
US11664054B2May 30, 2023
Cartridge including tape-shaped magnetic recording medium
SONY CORP2 citations72
US11551715B2Jan 10, 2023
Cartridge memory and control method for the same, cartridge, and recording and reproducing system
SONY CORP3 citations72
US6678126B2Jan 13, 2004
Magnetoresistance-effect magnetic head
SONY CORP10 citations71
US12020730B2Jun 25, 2024
Cartridge including tape-shaped magnetic recording medium
SONY CORP0 citations62
US11790945B2Oct 17, 2023
Cartridge, memory, data recording apparatus, and data reproduction apparatus including information for adjusting magnetic tape width
SONY CORP0 citations62
US11715492B2Aug 1, 2023
Cartridge including cartridge case housing magnetic tape and memory storing information for adjusting tape width, data recording apparatus, and data reproduction apparatus
SONY CORP0 citations62
US11562197B2Jan 24, 2023
Non-contact communication medium and recording medium cartridge
SONY CORP0 citations62
US11393506B2Jul 19, 2022
Cartridge memory
SONY CORP0 citations62
US11348615B2May 31, 2022
Cartridge memory for magnetic tape cartridge, control method therefor, cartridge, and recording/reproduction system
SONY CORP0 citations62
US11145329B2Oct 12, 2021
Recording medium cartridge and drive device
SONY CORP1 citations62
US10984819B2Apr 20, 2021
Magnetic tape recording device including cartridge memory having a plurality of memory banks
SONY CORP1 citations62
US10971186B2Apr 6, 2021
Cartridge memory, recording medium cartridge, and method of producing the same
SONY CORP1 citations62
US9001455B2Apr 7, 2015
Magnetic recording medium, servo signal recording apparatus and method of producing magnetic recording medium
SONY CORP3 citations62
US7723905B2May 25, 2010
Vibrating gyrosensor driven with offset potential
SONY CORP5 citations62
US7092224B2Aug 15, 2006
Magnetic tunnel effect type magnetic head, and method of producing same
SONY CORP2 citations62
US6909584B2Jun 21, 2005
Magnetic tunnel effect type magnetic head having a magnetic tunnel junction element sandwiched with conductive gap layers between a pair of magnetic shielding layers
SONY CORP4 citations62
US6873502B2Mar 29, 2005
Magnetic tunnel effect type magnetic head, and method of producing same
SONY CORP4 citations62
US11355145B2Jun 7, 2022
Magnetic recording medium
SONY CORP0 citations61
US6452760B1Sep 17, 2002
Magnetoresistive effect magnetic head and rotary magnetic head apparatus
SONY CORP4 citations61
US10872633B2Dec 22, 2020
Magnetic recording medium, laminate, and flexible device
SONY CORP1 citations60
US7268971B2Sep 11, 2007
Magnetic head apparatus and drive apparatus including magnetic head apparatus
SONY CORP4 citations60
US12394436B2Aug 19, 2025
Magnetic recording medium
SONY CORP0 citations59
US10210892B2Feb 19, 2019
Magnetic recording medium having a protective layer
SONY CORP0 citations52
US10839848B2Nov 17, 2020
Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles
SONY CORP0 citations51
US7511928B2Mar 31, 2009
Magnetic tunnel effect type magnetic head, and recorder/player
SONY CORP0 citations51
US7092225B2Aug 15, 2006
Magnetic tunnel effect type magnetic head, and method of producing same
SONY CORP0 citations51
US7057860B2Jun 6, 2006
Magnetic tunnel effect type magnetic head having a magnetic tunnel junction element, and recorder/player
SONY CORP0 citations51
US11322177B2May 3, 2022
Orientation device, production method for magnetic recording medium, and magnetic recording medium
SONY CORP0 citations43
SONY GROUP CORP
3 patentsUS11423946B2Aug 23, 2022
Cartridge including tape-shaped magnetic recording medium
SONY GROUP CORP3 citations72
US11955148B2Apr 9, 2024
Cleaning tape and cartridge
SONY GROUP CORP0 citations62
US11328742B2May 10, 2022
Cartridge memory having a plurality of memory banks , tape cartridge, and recording and reproducing system
SONY GROUP CORP0 citations62