Inventor

SUGITA YUTAKA

JP64 patents

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

SUGITA YUTAKA

HITACHI LTD

Magnetic information storage apparatus including magnetic head and method for making magnetic head

Mounting substrate

Method and apparatus for controlling renewal of data in optical disc memory

Process for preparing magnetic layer and magnetic head prepared using the same

Magnetic recording apparatus with magnetic head on slider having applied load larger than buoyant force acting on slider so that gap between magnetic head and magnetic disk is smaller than total thickness of protective layer and lubricating layer on disk

Optical disk memory and information processing apparatus

Optical memory and information processing apparatus

Information processing apparatus and optical head incorporated therein

Thin film magnetic head with mixed crystal structures

Temperature-compensated magnetic field measuring instrument

Optical magnetic-field measuring apparatus having improved temperature characteristics

Photomask

Ion implanting method

Process for forming fine patterns

Process for preparing magnetic layer and magnetic head prepared using the same

Optical recording disk

Magneto-optical recording medium

Ion-implanted magnetic bubble device and a method of manufacturing the same

Garnet film for magnetic bubble memory element

Control method of magnetic anisotropy and device utilizing the control method

Magnetic bubble detector

Method for production of magnetic bubble memory device

Method of making magnetic bubble memory device by implanting hydrogen ions and annealing

ROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable disk

Magnetic disc apparatus with thin film head suitable for high-density recording

Information processor and disk memory used in the same

Magnetic disk device and method of recording/retrieving information

Magneto-optical recording medium

Magneto-optical recording material

Optical read-out magnetic head

Composite magnetic film

Thin film magnetic head and method of manufacturing the same

Magnetic recording apparatus

Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength

Magnetic bubble device

Magnetic bubble memory device

Method of fabricating magnetic bubble memory device

Method of fabricating magnetic bubble memory device

Magnetic bubble device

Magnetic bubble memory device

Hybrid magnetic bubble memory device

Method for manufacturing a magnetic bubble memory

Magnetic bubble memory

Garnet film for ion-implanted magnetic bubble device

Magnetic bubble memory device

Magnetic bubble memory device and method of fabricating the same

Garnet film for magnetic bubble device

Film for a magnetic bubble domain device

Magnetic bubble memory device

HITACHI MAXELL

Magnetic heads and magnetic recording reproducing devices using magnetic laminations