Inventor

ISHII KAZUYOSHI

JP40 patents

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

ISHII KAZUYOSHI

CANON KK

Method and apparatus for recording magnetic domain having an arc shape convex in a forward scanning direction of a magneto-optical recording medium

High speed magnetic coil for magneto-optical head

Magnetic head driving device and magnetooptical recording apparatus

Magnetic head used in magnetooptical recording

Information recording method and apparatus for determining whether recording has been correctly performed

Magneto-optical reproducing method using a magnified magnetic domain

Signal reproducing apparatus utilizing displacement of magnetic wall

Magneto-optical recording apparatus having a magnetic head with a regulating member

Magnetic head drive device, and magneto-optical recording apparatus using the same

Magnetooptical recording head for a recording apparatus including a laminated core having a plurality of magnetic thin films sandwiching insulating films therebetween

Magnetic head for magnetooptical recording apparatus

Method and apparatus for recording information on magnetooptical recording medium while canceling external stray magnetic field

Magneto-optical recording apparartus including a magnetic head having a core composed of a single crystal ferrite material

Magnetooptical recording apparatus including a control circuit for driving a switch element between on and off states in accordance with an error detection

Magnetic head driving circuit for controlling switching operations in a magnetooptical recording apparatus

Magnetic head current control circuit for use in a magnetic head drive device, and magnetic/magnetooptical recording apparatus using the same

Magneto-optical recording apparatus that compensates for magnetic fields leaking from an objective lens actuator and a linear motor

Magnetic head driving device and magnetooptical recording apparatus with acceleration coil for shortening current inversion time

Magnetic head and magneto-optical recording apparatus

Magnetic head for magnetooptical recording and method for producing the same

Magneto-optical recording apparatus capable of both magnetic modulation and light modulation recording

Circuit apparatus for driving a magnetic head

High speed magnetic coil for magneto-optical head

Magnetic head for magneto-optical recording and magneto-optical recording apparatus in which a magnetic core mounted to a slider has particular dimensions and properties

Optical disk apparatus employing an objective lens having a high numerical aperture

Optical pick-up and optical disk device

Magneto-optical head support structures

Displacement of magnetic head and optical head in magneto-optical recording apparatus

Magnetic head for magneto-optic recording, and magneto-optic recording apparatus

Ionizing radiation detection apparatus

Optical disc apparatus employing an objective lens having a high numerical aperture

Optical disk apparatus with protection member for objective lens

Optical pickup and optical disk drive apparatus

Magnetic domain wall displacement type magneto-optical medium and method for manufacturing the same

Magnetic head drive circuit including paired auxiliary coils, paired switching elements, and switch element control circuit, and magneto-optical recording device using the same

Optical pickup and optical disk device

Holographic information recording-reproducing process and apparatus therefor

VICTOR COMPANY OF JAPAN

Information signal recording disc comprising a connected region formed between parallel program recorded and single program recorded regions, and reproducing apparatus therefor

Information signal recording disc recorded with an end signal for selectively preventing unwanted access to predetermined recorded information and disc reproducing apparatus therefor

HONDA MOTOR CO LTD

Brake negative pressure control apparatus and method, and engine control unit for internal combustion engine