Inventor

FUKUI YUKIO

54 patents

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

FUKUI YUKIO

HITACHI LTD

Optical transmission and receiving module and optical communication system using the same

Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams

Composite tracking servo system for optical disc apparatus with track offset correction

Optical pickup for optical disk apparatus

Optical reproducing apparatus

Optical detector, signal processing circuit and optical information reproduction apparatus thereof

Information recording medium

Information recording medium and information recording and reproducing apparatus using the same

Information recording medium and information recording and reproducing apparatus using the same

Optical disk apparatus and optical head thereof

Optical disk apparatus and optical head thereof

Optical disc with phase pits and a reproducing apparatus for data recorded on the optical disc

Phase change optical disk and method for using the same

Method of recording and reproducing digital information and apparatus therefor

Information recording medium

Optical detector having three light receiving areas

Servo circuit for a signal reproducing apparatus

Optical head

Information reproducing method which reproduces plural components of a focus error signal and a tracking error signal from plural detection regions of plural reflected light beams

Drop-out correction circuit in an apparatus for correcting time base error with inhibition of time-base information during dropout

Optical disc recording/reproducing apparatus with recorded track-section detector

Compact optical head including two light emitters having parallel optical axes

Optical information recording method and apparatus and recording medium used therefor

Optical tracking system

Tracking control apparatus for generating sawtooth tracking control signal from sinusoidal tracking error signal

Compact optical head including two light emitters having parallel optical axes

Inverter circuit

AIST

Haptic information presentation system and method

Haptic information presentation system and method

Haptic information presentation system and method

Haptic information presentation system and method

Haptic information presentation system and method

Haptic information presentation system and method

NAT INST OF ADVANCED IND SCIEN

Haptic information presentation system and method

Haptic information presentation system and method

Haptic information presentation system and method

AGENCY IND SCIENCE TECHN

Cad free-form reshaping method

Computer-aided design system

Dynamic optometer

MITSUI TOATSU CHEMICALS

Process for preparing aromatic compounds having chlorinated side chains and method for stabilizing monochloro-side chain aromatic compounds

Phenolic resin and method for preparing same

Phenolic resin and method for preparing same

AMADA CO LTD

Apparatus for processing electronic drawing data

Sales supporting apparatus

NAT INST ADVANCED IND SCIENCE & TECH

Haptic information presentation system and method

Haptic information presentation system and method

AMADA COMPANY LIMTED

Sales support system

NAKAMURA NORIO

Haptic information presentation system and method

HITACHI HEATING APPL

Microwave oven

MITSUI CHEMICALS INC

Modified phenolic resin, epoxy resin composition containing the same, and prepreg containing the composition