Inventor

ETOH KIMITOSHI

JP38 patents

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

ETOH KIMITOSHI

HITACHI GLOBAL STORAGE TECH

Magnetic recording head for perpendicular recording and including a portion protruding toward a mail pole and magnetic disc storage apparatus mounting the magnetic head

Method for manufacturing a magnetic head slider

Perpendicular recording head with reduced thermal protrusion

Magnetic recording head with shaped pole

Magnetic head and magnetic disk storage apparatus mounting the same

Perpendicular recording magnetic head with a main magnetic pole piece and an auxiliary magnetic pole piece

Silicon-made magnetic head slider and method of producing the same

Magnetic head and magnetic storage apparatus

Thin film magnetic head having magnetic pole edge layer for achieving both improvement of recording magnetic field and reduction of unnecessary leakage magnetic field, and method of manufacturing same

Magnetic recording head and magnetic disk storage apparatus mounting the magnetic head

Silicon-made magnetic head slider

Manufacturing method of a perpendicular recording magnetic head

Magnetic recording head and method for manufacturing

Method for manufacturing a magnetic head

HGST Netherlands BV

Magnetic capping layer structure for a spin torque oscillator

Microwave assisted magnetic recording (MAMR) write head and system

Magnetic recording head with non-magnetic bump structure formed on spin torque oscillator

Microwave-assisted magnetic recording (MAMR) head with a current confinement structure

Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structure

Magnetic head with electro lapping guide

Magnetic head having a short yoke with a tapered coil structure

HITACHI LTD

Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same

Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same

Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same

Recording medium and recording device

Device using sensor for small rotation angle

Thin film magnetic head having multiple layered films determining track width imbedded in an insulating film and method of manufacturing the same

HITACHI GLOBAL STORAGE TECH NL

Magnetic head and magnetic disk storage apparatus mounting the head

Method for manufacturing a perpendicular magnetic recording head

Perpendicular recording magnetic head with a varying interval between the main pole and the shield, and methods of manufacturing thereof

Magnetic head and magnetic disk storage apparatus mounting the head

ETOH KIMITOSHI

Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG)

Magnetic recording head for perpendicular recording with wrap around shield, the fabrication process and magnetic disk storage apparatus mounting the magnetic head

HORIDE TOMOYA

Perpendicular magnetic recording head with domain controlled side shield

NUNOKAWA ISAO

Perpendicular magnetic recording head having a magnetic layer overhanging a trailing side of a main pole and method of manufacture thereof

MARUYAMA YOHJI

Magnetic head having write pole, first soft magnetic films separately disposed on both sides of the main pole, and a second soft magnetic film disposed on a trailing side of the main pole

OKADA TOMOHIRO

Optically assisted magnetic recording head having a waveguide core with a plate-shaped portion protruding from an air bearing surface side of the core

HAMASAKI TOMOAKI

Shield structure for reducing the magnetic induction rate of the trailing shield and systems thereof