Inventor

MAEDA TAKANORI

JP107 patents

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

MAEDA TAKANORI

PIONEER ELECTRONIC CORP

Optical information recording medium

Harmonic generator

Tracking signal error generator for optical information devices

Optical pickup

Optical pickup device with three beam tracking servo control using oval beams

Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams

Optical pickup for an optical disc reproducing system

Focus error detector

Optical pickup and optical disk drive for use with a high-density optical disk

Reproducing apparatus having an arithmetic circuit to linearly combine an inverse matrix of crosstalk ratios relative to the adjacent tracks and signals read from the adjacent and traced tracks

Optical pickup apparatus with a crosstalk balance detecting circuit

Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams

Method of optically reading information, optical pickup apparatus and optical reproducing apparatus

Optical disk with signal pit recording format, method of recording same and optical pickup

Information signal recording apparatus

Device for detecting cross talk level of optically read signal

Optical pickup apparatus for reproducing signals recorded on an optical disk

Apparatus for playing optical recording media of different recording densities

Pickup device

Method of reading recorded information from information storage medium with tracks

Method and apparatus for reading information on information recording medium having track structure

Information recording device that eliminates cross-talk using inverse components thereof

Light detector

Focusing error detection apparatus

Optical focus error control pickup device for an optical recording/reproducing system

Astigmatism generator

PIONEER CORP

Multi-layer information recording medium

Information recording/reading head

Multilayer optical recording medium and recording method and apparatus for the same

Optical information recording and reproducing apparatus

Multi-layer information recording medium and information recording and reproducing apparatus

Multi-layer information recording medium and information recording and reproducing apparatus

Multi-layer information recording medium and information recording and reproducing apparatus

Aberration correcting device and optical pickup apparatus using the same

Aberration correcting apparatus and optical apparatus using the same

Data recording and reproducing device, data recording and reproducing method, and recording medium

Information recording apparatus

Optical multi-layer information recordating medium

Variable optical element, a pickup apparatus having the variable optical element, and an information recording and reproducing apparatus having the pickup apparatus

Optical recording apparatus

Optical pickup apparatus and information recording and/or reproducing apparatus

Optical pickup apparatus and tilt amount detecting method

Information recording and reproducing apparatus

Multi-layer information recording medium and information recording and reproducing apparatus

Objective lens collision preventing device and method for manufacturing the same

Optical pickup

Information recording medium apparatus for forming the same and information recording and reproducing systems

DAINIPPON PRINTING CO LTD

Thin film supporting substrate for used in filter for hydrogen production filter and method for manufacturing filter for hydrogen production

Filter for purifying hydrogen and method for manufacture thereof

Polyelectrolyte type fuel cell and separator for polyelectrolyte type fuel cell