Inventor

MAEDA TAKESHI

JP234 patents

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

MAEDA TAKESHI

HITACHI LTD

Information recording medium which indicates information according to the wobbling of a track and information recording and reproducing apparatus

Data recording/reproducing method and apparatus using a recording medium having clock marks recorded in a wobbled track for read/write synchronization

Apparatus and record carrier for optical disc memory with correction pattern and master disc cutting apparatus

Method and apparatus for information recording and reproduction of a pit-shape-forming optical recording type

Liquid crystal display control apparatus and liquid crystal display apparatus

Recording a mark with the rising and falling edges varied based on previously recorded control data

Recording method using trial write test pattern

Magnetooptic disc apparatus and recording medium

Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus

Three-dimensional recording and reproducing apparatus

Information recording method and optical disk apparatus using same

Display controller and display device provided therewith

Liquid crystal display device for displaying video data

Three-dimensional recording and reproducing apparatus

Information recording method, information recording medium and information recording apparatus

Information recording medium with expanded information recording capability

Liquid crystal display control device

Method for recording and reading an optical disk

Cache memory control method and apparatus, and method and apparatus for controlling memory capable of interleave control

Three-dimensional recording and reproducing apparatus

Method of controlling recording of optical records

Semiconductor laser device

Optical disc access method and optical disk storage using coarse and fine actuators

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

Optical information processor for compensating offset

Optical recording method

Information reproducing apparatus with plural beam readout

Optical disk apparatus and recording and reading method for an optical disk using the same

Method for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testing

Optical disk apparatus using mechanism for controlling spherical aberration

Optical disk apparatus using focal shift signals to control spherical aberration

Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information

Recording medium, information recording and reproducing method, and recording and reproducing apparatus

Information recording method, information recording medium, and information recording apparatus

Information recording/reproducing apparatus and method and information recording medium

Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam

Correcting non-linear distortions of optical information with a non-linear equalizer

Optical recording method employing pit edge recording on recording medium divided into a plurality of zones wherein recording parameters vary from zone to zone

Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same

Magneto-optical recording system using recording waveform having a plurality of power levels providing high recording density

Light modulation method for forming a mark in magneto-optical recording system

Optical information recording/reproducing apparatus using pit edge recording system

Method and apparatus for correcting edge interval of record signal in an optical record/read-out apparatus

Method for recording/reproducing information having a function of correcting variations in the interval in reproduced data and apparatus for realizing same

HITACHI VIDEO & INF SYST

Liquid crystal display apparatus

ATR ADVANCED TELECOMM RES INST

Communication robot

SANYO ELECTRIC CO

Nonaqueous electrolyte secondary cell wit PTC current collector tabs

HITACHI MAXELL

Information recording disk

OSAKA GAS CO LTD

Gas phase adsorption process utilizing oxidized pitch-based activated carbon fibers

HONDA MOTOR CO LTD

Decompression mechanism in engine