Inventor

SHIMANO TAKESHI

JP95 patents

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

SHIMANO TAKESHI

HITACHI LTD

Near-field optical probe, near-field optical microscope and optical recording/reproducing device with near-field optical probe

Optical disk medium

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

Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same

Object lens and optical head for reproducing data from optical disks in different thickness of substrate

Optical disk apparatus using mechanism for controlling spherical aberration

Optical reproducing apparatus

Optical reproducing apparatus

Optical disk apparatus using focal shift signals to control spherical aberration

Polarizing diffraction grating and magneto-optical head made by using the same

Optical head and apparatus for recording and reproducing optical information through the use of the optical head

Optical head having two lasers of different wavelength and an objective lens made of one material having a rectangular groove shifting phase to decrease focused laser beam spot aberration for focusing laser beams on different thickness substrates

Optical pickup for optical disk apparatus

Tracking method for optical disk apparatus using diffraction light

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

Optical head and optical disk apparatus

Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same

Optical information processor and semiconductor light emitting device suitable for the same

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

High-density information recording/reproducing method

High-density information recording/reproducing method

Optical disk device having optical phase compensator

Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same

Information recording and reproducing method and apparatus

Optical head apparatus

Optical information detecting method, optical head, and optical disc apparatus utilizing plural photodetectors

Information reproducing method and information reproducing apparatus of multilayer optical disk

Objective lens optical system, optical head and optical information reproduction apparatus

Optical detector having three light receiving areas

Optical information recording/reproducing apparatus, and optical head apparatus

Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same

Optical head

Optical system for optical pickup employing coma compensating element

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

Optical disk apparatus to perform either reproduction or reproduction/recording of each of at least two kinds of optical disks having different substrate thicknesses

Photo semiconductor integrated circuit device and optical recording reproducing apparatus

Magneto-optic disk apparatus having means for eliminating fluctuation component in reproduction magneto-optic signal

Imaging device modulating intensity of light with grating pattern

Imaging device and imaging method

Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same

Imaging device

MAXELL LTD

Imaging apparatus capable of generating an image using moire without a lens

Imaging apparatus with cylindrical lenses

Portable information terminal with image processing generating subject image from moire fringe image

Imaging apparatus generating subject image from moire fringe image obtained by concentric pattern and method thereof

HITACHI INC

Optical information processing equipment and semiconductor light emitting device suitable therefor

INPHASE TECH INC

Monocular holographic data storage system architecture

NICHIA CORP

Mounting method for optical device and optical head equipment

PENTAX CORP

Optical lens for optical disc drive with aberration suppression for recording/reproducing for a plurality of optical disc types

CURTIS KEVIN R

Monocular holographic data storage system and method thereof