Inventor

OHTA NORIO

JP93 patents

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

OHTA NORIO

HITACHI LTD

Information recording medium with clock information therein

Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus

Magneto-optical recording and reproducing method, magneto-optical memory apparatus and magneto-optical recording medium therefor

Method for recording, reproducing and erasing information and thin film for recording information

Magneto-optical recording method and apparatus capable of overwriting data using a radiation beam

Apparatus for storing and retrieving information using an electron beam

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

Temperature-compensated magnetic field measuring instrument

Optical magnetic-field measuring apparatus having improved temperature characteristics

Magneto-optical recording medium

Magneto-optical data recording system

Magneto-optical recording medium having dielectric layers with different indices of refraction

Information recording apparatus and method for modulated magneto-optical recording medium

Magneto optical recording medium apparatus and method utilizing light pulse magnetic modulation recording

Magneto-optical data recording system continuously irradiating optical pulsers

Method of an apparatus for magneto-optically recording information by changing the position or shape or controlling the diameter of reversed domains

Recording waveform for mark-length modulation optical recording

Magnetic disk drive

Recording waveform for mark-length modulation optical recording

Optical recording disk

Information recording apparatus for recording/reproducing information by irradiating an information recording medium with an energy beam

HITACHI MAXELL

Magnetic head capable of generating multi-stepped external magnetic fields for magneto-optical recording device

Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatus

Magneto-optical reproducing method using a plural of different reproducing beams

Magneto-optical recording medium capable of recording multiple value signals

Magneto-optical recording medium having a plurality of magnetic layers

Magneto-optical recording medium and process for producing the same

Recording/reproducing system using a flexible magnetic disk

Magneto-optical recording media having an auxiliary magnetic layer

Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain

Magneto-optical recording medium and method for recording and reproduction thereon

Cartridge for information-recording media having deformable elastic member on shutter

Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns

Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads

Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same

Reproducing method and reproducing apparatus for magneto-optical recording medium

Magneto-optic recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer

TOYODA MACHINE WORKS LTD

Grinding machine for grinding outer and inner surfaces

Numerically controlled grinding machine

Numerically controlled grinding machine

Centerless grinding machine

Numerically controlled grinding machine

Grinding wheel feeder in grinding machines

Numerically controlled machine tool

Numerically controlled machine tool

Data input and display device for a numerical control grinding machine

MITSUBISHI HEAVY IND LTD

Method and apparatus for heating a strip of metallic material in a continuous annealing furnace

Method and apparatus for heating a strip of metallic material in a continuous annealing furnace

JAPAN BROADCASTING CORP

Method for forming conductive or insulating layers

TOYOTA AUTO BODY CO LTD

Suspension device for vehicle seat