Inventor

TERUNUMA KOICHI

JP58 patents

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

TERUNUMA KOICHI

TDK CORP

Magnetoresistance effect film and magnetoresistance effect type head

Magnetic head apparatus and magnetic recording and reproducing apparatus

Magnetoresistive effective element, thin film magnetic head, magnetic head device and magnetic recording/reproducing device

Magnetoresistive device and method of manufacturing same and thin-film magnetic head and method of manufacturing same

Magnetoresistive device and method of manufacturing same, thin-film magnetic head and method of manufacturing same, head gimbal assembly and hard disk drive

Magnetic transducer and thin film magnetic head using the same

Method of manufacturing magnetoresistive device and method of manufacturing thin-film magnetic head

Magnetic transducer, thin film magnetic head and method of manufacturing the same

Thin-film magnetic head and method of manufacturing the same

Thin film magnetic head with separated yoke and pole tips

Thin film magnetic head having grooves which become gradually shallower

Thin film magnetic head with magnetic films with increasing widths from a surface facing a recording medium

Method of manufacturing thin film magnetic head

Thin film magnetic head

Thin-film magnetic head having a three-layer pole tip structure

Thin film magnetic head

Magnetic head with spin valve effect magnetoresistive element and its manufacturing method

Thin film magnetic head and method of manufacturing the same

Magnetoresistive effect sensor, thin-film magnetic head with the sensor, manufacturing method of magnetoresistive sensor and manufacturing method of thin-film magnetic head

Thin film magnetic head including a first pole portion having a depressed portion for receiving a coil

Method for forming photoresist pattern and manufacturing method of magnetoresistive effect thin-film magnetic head

Thin film device, thin film magnetic head and magnetoresistive element

Thin film magnetic head and manufacturing method of the head

Thin-film magnetic head with magnetoresistive effect element

Thin film magnetic head including heat dissipation, method of manufacturing the same, and magnetic disk drive

Thin film magnetic head including a heat dissipation layer, method of manufacturing the same and magnetic disk drive

Exchange-coupled film, spin valve film, thin film magnetic head, magnetic head apparatus, and magnetic recording/reproducing apparatus

Thin film device, thin film head, and magnetoresistive element

Magnetoresistive effect element and thin film magnetic head with the element

Magnetic head and a process for production thereof

Method of manufacturing thin-film magnetic head

Thin film magnetic head with inductive magnetic conversion element and magnetoresistive conversion element

Method of forming patterned thin film and method of fabricating micro device

Thin film magnetic head, head gimbal assembly, and hard disk drive

Method for fabricating thin film magnetic head

Magnetoresistive head having layer structure between free and lead layers with layer structure including fixed magnetization layer

Thin film magnetic head and method of manufacturing the same

Thin-film magnetic head and method of manufacturing same, head gimbal assembly, and hard disk drive

Magnetoresistive effect element with a magnetic sensing region and outside regions thereof, and manufacturing method of the element

Thin-film magnetic head, head suspension assembly, magnetic disk device and manufacturing method of them

Magnetoresistive sensor, a thin film magnetic head, a magnetic head device, and a magnetic disk drive device

Manufacturing method of spin valve magnetoresistive effect element and manufacturing method of thin-film magnetic head with the element

Magnetoresistive device in a thin-film magnetic head and method of manufacturing same having particular electrode overlay configuration

Thin-film magnetic head, head gimbal assembly, and hard disk drive

HEADWAY TECHNOLOGIES INC

Method of adjusting CoFe free layer magnetostriction

GMR device having an improved free layer

Narrow track CPP head with bias cancellation

Process of manufacturing a narrow track CCP head with bias cancellation

Process to manufacture narrow track CPP head with bias cancellation

TOSHIBA KK

Magnetoresistance effect head having a giant magnetoresistance effect film