Inventor

OGASAWARA MASAKAZU

JP58 patents

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

OGASAWARA MASAKAZU

PIONEER CORP

Hologram recording medium, recording/reproducing method and recording/reproducing apparatus

Liquid-crystal lens and method and apparatus for driving the same

Aberration correction apparatus and method

Hologram recording medium and recording and reproducing system

Optical pickup device driven by an error signal obtained from an optical detector&#39;s output signals

Hologram apparatus capable of detecting and correcting distortion of hologram image

Optical pickup apparatus and focusing control method

Holographic recording apparatus

Optical pickup device with focus error detecting optical element and method for focus error detection

Aberration correcting optical unit, optical pickup apparatus and information recording/reproducing apparatus with single and multi-layer electrodes

Aberration correcting unit, optical pickup apparatus, and recording/reproducing apparatus

Optical reproducing aberration compensation system having appropriate correction signals applied to a liquid crystal detector

Aberration correction device, aberration correction method and optical pickup

Aberration correction apparatus, and control apparatus, control method and control program of optical pickup

Optical pickup

Optical pickup device and focal error detecting device therefor and wave aberration and focal error detecting device therefor

Aberration correcting element and assembly

Optical pickup device

Horn antenna array

Optical device

Inspection apparatus, inspection method, computer program and recording medium

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

Aberration correction apparatus, and control apparatus, control method and control program of optical pickup

Optical recording medium having a plurality of guide tracks transfer regions

Optical pickup device and optical recording medium reproducing device

Aberration correcting device and optical recording medium reproducing apparatus

Liquid crystal panel, optical pickup, and information reproducing apparatus

Aberration correcting apparatus

Spherical aberration correction apparatus

Focus error detecting apparatus of optical pickup with a light separating and astigmatism generation optical element and detection method thereof

Optical device

Optical device

Inspection apparatus, inspection method, computer program and recording medium

Method for recording and reproducing a hologram and apparatus therefor

Multilayer optical recording medium having plurality of reflecting units formed on parts recording layers

PIONEER ELECTRONIC CORP

Optical pickup and multi-layer disc playback apparatus

Optical pickup, aberration correction unit and astigmatism measurement method

Aberration correcting apparatus and information recording medium play-back apparatus

Wave-front aberration compensation unit, wave-front aberration compensation device, and optical pickup

Optical pickup

Focus control apparatus in multi-layered disk reading apparatus utilizing acceleration, deceleration and focus error signals to switch between layers of the disk

Optical pickup

Objective lens

Aberration correcting apparatus and information recording medium play-back apparatus

PANASONIC CORP

Display apparatus, display method, program and recording medium

Color image processing apparatus, color image processing method, program and recording medium

SATO MAKOTO

Pickup device

Light deflecting device and hologram device

NAKANO MASAHARU

Fabrication method of multilayer optical record medium and recording apparatus for multilayered optical record medium

OGASAWARA MASAKAZU

Recording medium and recording system

Optical pickup device driven by an error signal obtained from an optical detector's output signals