P

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 patents
US10796724B1Oct 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 patents