P

Inventor

HIRATA KEI

JP114 patents
⚠️ This page may combine multiple inventors who share the name “HIRATA KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TDK CORP

18 patents
US7715156B2May 11, 2010

Tunnel magnetoresistive effect element and thin-film magnetic head with tunnel magnetoresistive effect read head element

TDK CORP24 citations93
US8675457B1Mar 18, 2014

Near-field light generator including a plasmon generator and a waveguide

TDK CORP29 citations92
US9640205B1May 2, 2017

Magnetic recording-reproducing head having different sections with different functions including an erase function

TDK CORP11 citations84
US8817418B1Aug 26, 2014

Magnetic head for perpendicular magnetic recording having a write shield

TDK CORP11 citations84
US8811127B1Aug 19, 2014

Magnetic head comprising recording part, reading part, heater for expansion of the recording part, and heater for expansion of the reading part

TDK CORP17 citations84
US8000066B2Aug 16, 2011

Hard disk system incorporating a current perpendicular to plane magneto-resistive effect device with a spacer layer in the thickness range showing conduction performance halfway between OHMIC conduction and semi-conductive conduction

TDK CORP8 citations84
US8000063B2Aug 16, 2011

Magneto-resistive element, thin film magnetic head, magnetic head device, and magnetic recording/reproducing apparatus

TDK CORP10 citations84
US7843668B2Nov 30, 2010

Magnetoresistive element including two ferromagnetic layers

TDK CORP9 citations84
US7782575B2Aug 24, 2010

Magnetoresistive element having free layer, pinned layer, and spacer layer disposed therebetween, the spacer layer including semiconductor layer

TDK CORP15 citations84
US7672092B2Mar 2, 2010

Method for manufacturing magnetic field detecting element, utilizing diffusion of metal

TDK CORP10 citations84
US7672085B2Mar 2, 2010

CPP type magneto-resistive effect device having a semiconductor oxide spacer layer and magnetic disk system

TDK CORP11 citations84
US7663845B2Feb 16, 2010

Current-perpendicular-to-plane magneto-resistive element including multilayer lower magnetic shielding film

TDK CORP7 citations74
US7558027B2Jul 7, 2009

Magnetic field sensor provided with an upper shield layer having portions with different magnetostriction

TDK CORP7 citations74
US7948713B2May 24, 2011

Magnetic head slider using giant magnetostrictive material

TDK CORP6 citations63
US7920362B2Apr 5, 2011

Magnetio-resistive device including a multi-layer spacer which includes a semiconductor oxide layer

TDK CORP4 citations63
US7895731B2Mar 1, 2011

Method for manufacturing magnetic field detecting element utilizing diffusion and migration of silver

TDK CORP2 citations63
US7898775B2Mar 1, 2011

Magnetoresistive device having bias magnetic field applying layer that includes two magnetic layers antiferromagnetically coupled to each other through intermediate layer

TDK CORP2 citations63
US7885042B2Feb 8, 2011

CPP magneto-resistive effect device utilizing an anti-oxidizing layer as part of the spacer layer in a thin-film magnetic head usable in a head gimbal assembly in a hard disk system

TDK CORP4 citations63

HIRATA KEI

7 patents

FUJI XEROX CO LTD

5 patents

HEADWAY TECH INC

5 patents

KURARAY CO

4 patents

SASAKI YOSHITAKA

3 patents

SAE MAGNETICS HK LTD

2 patents

KITAGAWA HIROAKI

2 patents

KUBO KEISUKE

1 patent

AOKI SUSUMU

1 patent

TANAKA KOSUKE

1 patent

ANAGAWA KENKICHI

1 patent

Showing the top 50 of 114 patents by PatentIndex Score.