Inventor

MOCHIZUKI MASAFUMI

76 patents

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

MOCHIZUKI MASAFUMI

HITACHI GLOBAL STORAGE TECH

Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it

Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it

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

Magnetic recording head for perpendicular recording, fabrication process, and magnetic disk storage apparatus mounting the magnetic head

Perpendicular magnetic recording head for high frequency drive

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

Magnetic head and magnetic disk storage apparatus mounting the same

Magnetic head for perpendicular recording and fabrication process

Method for manufacturing a magnetic head for perpendicular recording

Magnetic head with soft magnetic shield and magnetic storage

Magnetic head and magnetic disk storage apparatus mounting the head

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

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

Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it

Winged design for reducing corner stray magnetic fields

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

Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle

Magnetic head with recessed portion, and magnetic recording and reproduction apparatus comprising the same

HITACHI LTD

Single pole type recording head including tapered edges

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

High gradient-field recording head for perpendicular magnetic recording

Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle

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

Perpendicular magnetic recording system

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

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

Magnetic head for perpendicular recording including a main pole having a pole tip with three tapered sides

Apparatus and method for recording information

Data decoding method and circuit and information recording and reproducing apparatus using the same

VICTOR COMPANY OF JAPAN

Pre-recorded cartridge video/audio disk

Pre-recorded cartridge video/audio disk

Disc-shaped recording medium reproducing apparatus

Case for a disc-shaped recording medium

Disc-shaped recording medium reproducing apparatus

HITACHI GLOBAL STORAGE TECH NL

Microwave-assisted magnetic recording device and method of formation thereof

Magnetic head and magnetic disk storage apparatus mounting the head

Magnetic disk drive

Magnetic head having a facing electrode pair for generating an electromagnetic field and applying energy to the magnetic recording layer

MOCHIZUKI MASAFUMI

Magnetic head having an asymmetrical shape and systems thereof

Writer having a shield structure for adjacent and far track interference refreshment

Perpendicular magnetic recording head, magnetic head, and magnetic disk device mounted with these heads

DE LA FUENTE ANTON R

Asymmetric writer for shingled magnetic recording

Asymmetric writer for shingled magnetic recording

TANABE HIROYASU

Dual reverse microwave assisted magnetic recording (MAMR) and systems thereof

WATANABE KATSURO

Magnetic head having shield layer(s) with low coefficient of thermal expansion and magnetic storage apparatus having same

DAS SARBANOO

Perpendicular magnetic write head having a current carrying element for in-plane field assisted magnetic recording

URAKAMI YOSUKE

Shingled magnetic recording (SMR) head with bent trailing shield and methods of production thereof

NISHIDA SHUJI

Hard-disk drive and control method for magnetic recording on a patterned medium of the hard-disk drive

MAEDA MAKI

Magnetic write head with novel shield structure having latterally extending trailing gap layer and concaved side gap