P

Inventor

NARITA NAOYUKI

JP78 patents
⚠️ This page may combine multiple inventors who share the name “NARITA NAOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

48 patents
US10236021B2Mar 19, 2019

Magnetic recording apparatus having magnetic flux control part and magnetic recording head having magnetic flux control part

TOSHIBA KK82 citations98
US10186284B2Jan 22, 2019

Magnetic head and magnetic recording and reproducing device

TOSHIBA KK82 citations98
US10276193B2Apr 30, 2019

Magnetic head having magnetic pole and shield, and magnetic recording and reproducing device

TOSHIBA KK83 citations97
US11631423B2Apr 18, 2023

Magnetic recording device

TOSHIBA KK7 citations86
US11398244B2Jul 26, 2022

Magnetic head with stacked body having non-magnetic layers and differing length magnetic layers

TOSHIBA KK11 citations86
US11393493B1Jul 19, 2022

Magnetic head and magnetic recording device

TOSHIBA KK17 citations86
US9978404B2May 22, 2018

Magnetic recording head and disk device with the same

TOSHIBA KK7 citations84
US9805745B1Oct 31, 2017

Magnetic recording and reproducing device comprising a magnetic head including a trailing shield and first and second shields having alternating magnetic and nonmagnetic layers

TOSHIBA KK19 citations84
US9330691B1May 3, 2016

Microwave assisted magnetic head

TOSHIBA KK18 citations84
US8614861B1Dec 24, 2013

Magnetic recording head including a high-frequency oscillator and disk drive with the same

TOSHIBA KK11 citations84
US12190917B2Jan 7, 2025

Magnetic head with multilayer configuration between magnetic poles and magnetic recording device

TOSHIBA KK2 citations73
US12068004B2Aug 20, 2024

Magnetic recording device

TOSHIBA KK2 citations73
US11721359B2Aug 8, 2023

Magnetic head and magnetic recording device

TOSHIBA KK3 citations73
US11710501B2Jul 25, 2023

Magnetic head and magnetic recording device

TOSHIBA KK2 citations73
US11705152B2Jul 18, 2023

Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member

TOSHIBA KK2 citations73
US11443762B2Sep 13, 2022

Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member

TOSHIBA KK2 citations73
US11295766B2Apr 5, 2022

Magnetic recording device supplied with varying recording current

TOSHIBA KK2 citations73
US11138994B2Oct 5, 2021

Magnetic head and magnetic recording device having magnetic layers and non-magnetic layers between shield and magnetic pole

TOSHIBA KK2 citations73
US11004464B1May 11, 2021

Magnetic head

TOSHIBA KK2 citations73
US10978098B1Apr 13, 2021

Magnetic recording device

TOSHIBA KK6 citations73
US10789976B2Sep 29, 2020

Magnetic head including first and second stacked bodies and current flow arrangements and magnetic recording and reproducing device

TOSHIBA KK3 citations73
US10657990B2May 19, 2020

Magnetic head and disk device having gap layers with different magnetic relative permeabilities

TOSHIBA KK2 citations73
US10403308B2Sep 3, 2019

Magnetic 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 device

TOSHIBA KK4 citations73
US9583134B2Feb 28, 2017

Magnetic recording and reproducing device

TOSHIBA KK5 citations73
US8687322B1Apr 1, 2014

Magnetic recording head and disk drive including the same

TOSHIBA KK4 citations73
US8675308B2Mar 18, 2014

Magnetic recording head with high frequency oscillator and disk drive with the same

TOSHIBA KK5 citations73
US12308051B2May 20, 2025

Magnetic head with multilayer configuration between magnetic poles and magnetic recording device

TOSHIBA KK1 citations64
US12437779B2Oct 7, 2025

Magnetic head and magnetic recording device

TOSHIBA KK0 citations63
US12165676B2Dec 10, 2024

Magnetic head and magnetic recording device

TOSHIBA KK0 citations63
US12154602B2Nov 26, 2024

Magnetic head and magnetic recording device

TOSHIBA KK1 citations63
US12080325B2Sep 3, 2024

Magnetic head and magnetic recording device

TOSHIBA KK1 citations63
US12033676B2Jul 9, 2024

Magnetic head and magnetic recording device

TOSHIBA KK0 citations63
US11881234B2Jan 23, 2024

Magnetic head and magnetic recording device

TOSHIBA KK1 citations63
US11626130B2Apr 11, 2023

Magnetic head with stacked body having specified compositions of magnetic and nonmagnetic layers thereof

TOSHIBA KK0 citations63
US11521644B2Dec 6, 2022

Magnetic head and magnetic recording device

TOSHIBA KK0 citations63
US11488623B2Nov 1, 2022

Evaluation method of magnetic head and evaluation device of magnetic head

TOSHIBA KK0 citations63
US11462239B2Oct 4, 2022

Magnetic head and magnetic recording device having magnetic layers and nonmagnetic layers between shield and magnetic pole

TOSHIBA KK0 citations63
US11417355B2Aug 16, 2022

Magnetic recording device including magnetic head which includes a stacked body with controlled electrical resistance

TOSHIBA KK0 citations63
US11062730B2Jul 13, 2021

Method for evaluating magnetic head and evaluation apparatus of magnetic head

TOSHIBA KK0 citations63
US10943610B2Mar 9, 2021

Magnetic head with stacked body and insulating portion arrangement between magnetic pole and shield

TOSHIBA KK1 citations63
US10943607B2Mar 9, 2021

Magnetic recording device supplied with varying recording current

TOSHIBA KK1 citations63
US10902869B2Jan 26, 2021

Magnetic head having a magnetic layer and first and second conductive layers provided between a shield and a magnetic pole and magnetic recording and reproducing device

TOSHIBA KK1 citations63
US10438616B2Oct 8, 2019

Magnetic recording head with specified thickness and saturation magnetic flux density products for STO magnetic layers

TOSHIBA KK1 citations63
US11062728B2Jul 13, 2021

Magnetic head having specific distance between magnetic pole, stacked body, and first shield, and magnetic recording device including same

TOSHIBA KK1 citations62
US10950259B2Mar 16, 2021

Magnetic head and magnetic recording and reproducing device

TOSHIBA KK0 citations62
US10734017B2Aug 4, 2020

Magnetic head and magnetic recording and reproducing device

TOSHIBA KK1 citations62
US12165677B2Dec 10, 2024

Magnetic head with stacked body configurations and magnetic recording device including the same

TOSHIBA KK1 citations61
US12367898B2Jul 22, 2025

Magnetic device, magnetic head, and magnetic recording device

TOSHIBA KK0 citations52

SYNAPTICS INC

2 patents

Showing the top 50 of 78 patents by PatentIndex Score.