LexDanaLexDanabeta
Inventor

Takeshi Shimano

Inventor
Tokorozawa, JP

Overview

90→
Patents
1996–2021
Patent span
Physics
Primary field (CPC G)

Patents· 90 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer43%
G02BOptical elements, systems or apparatus13%
H04NPictorial communication, e.g. television9%
B82YSpecific uses or applications of nanostructures8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
G03HHolographic processes or apparatus4%
G06FElectric digital data processing2%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
10,928,641Imaging apparatus generating subject image from moire fringe image obtained by concentric pattern and method thereof202110,911,643Imaging device modulating intensity of light with grating pattern202110,863,120Imaging device, imaging module, and imaging method202010,781,989Diffraction lens and vehicular lamp using same202010,670,829Imaging device202010,649,118Imaging device202010,571,710Optical component and imaging system using the same202010,551,532Imaging device and imaging method202010,488,561Imaging device201910,477,086Phase filter, imaging optical system, and imaging system201910,461,108Imaging device201910,423,002Imaging apparatus capable of generating an image using moire without a lens201910,228,499Optical component and imaging device using same20199,967,441Phase filter, imaging optical system, and imaging system20189,915,764'Diffractive lens and optical device using the same'20189,715,426'Monocular holographic data storage system and method thereof'20179,247,111'Imaging device using an optical phase filter that moduates a optical transfer function of an optical image of an object'20168,699,310'Optical information recording medium, optical information recording/reproducing device and optical information recording/reproducing method'20148,179,752'Optical disc apparatus therefor'20128,130,430'Holographic storage device and method using phase conjugate optical system'20128,077,366'Holographic storage device having an adjustment mechanism for a reference beam'20118,072,850'Optical information recording apparatus'20118,023,390'Optical head and optical disk device'20118,004,950'Optical pickup, optical information recording and reproducing apparatus and method for optically recording and reproducing information'20117,911,889'Optical disc apparatus'20117,821,884'Information recording and retrieval method, and its apparatus'20107,796,488'Optical pickup apparatus'20107,750,276'Optical information detecting method, optical head, and optical disc apparatus utilizing plural photodetectors'20107,742,209'Monocular holographic data storage system architecture'20107,715,287'Optical disk apparatus'20107,664,005'Optical pickup apparatus'20107,639,588'Optical disc drive apparatus'20097,616,532'Optical disc drive'20097,596,061'Optical disk apparatus'20097,542,396'Information recording apparatus, information recording medium and information recording medium'20097,502,302'Optical recording and reading equipment'20097,480,216'Optical information recording apparatus'20097,457,206'Optical head, optical information storage apparatus, and their fabrication method'20087,349,319'Information recording apparatus, recording media and recording method'20087,292,519'Optical head with lasers and mirrors in a recess formed in a substrate'20077,283,439'Optical disk apparatus using mechanism for controlling spherical aberration'20077,260,033'Optical reproducing apparatus'20077,251,203'Optical disc drive apparatus, information reproducing or recording method'20077,215,609'Optical reproducing apparatus'20077,123,565'Information reproducing method and information reproducing apparatus of multilayer optical disk'20067,106,681'Optical head arrangements with single substrate lasers'20067,068,572'Optical head and optical disk apparatus'20067,012,875'Optical disk apparatus using focal shift signals to control spherical aberration'20066,965,552'Mounting method for optical device and optical head equipment'20056,934,228'Optical head'20056,922,386'Optical disk apparatus'20056,898,024'Optical system for optical pickup employing coma compensating element'20056,807,133'Optical head and optical disk apparatus'20046,791,934'Objective lens optical system, optical head and optical information reproduction apparatus'20046,785,203'Optical lens for optical disc drive with aberration suppression for recording/reproducing for a plurality of optical disc types'20046,782,018'Diode laser module and application equipment'20046,768,556'Near-field optical probe, near-field optical microscope and optical recording/reproducing device with near-field optical probe'20046,728,173'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'20046,721,242'Optical detector having three light receiving areas'20046,717,906'Optical disk apparatus to perform either reproduction or reproduction/recording of each of at least two kinds of optical disks having different substrate thicknesses'20046,639,925'Optical information processing equipment and semiconductor light emitting device suitable therefor'20036,611,487'Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same'20036,573,578'Photo semiconductor integrated circuit device and optical recording reproducing apparatus'20036,563,099'Optical information recording/reproducing apparatus, and optical head apparatus'20036,542,526'Optical information processor and semiconductor light emitting device suitable for the same'20036,524,766'Optical disk medium'20036,507,009'Optical detector, signal processing circuit and optical information reproduction apparatus thereof'20036,493,307'OPTICAL HEAD HAVING TWO SEMICONDUCTOR LASERS OF DIFFERENT WAVELENGTH, AN OBJECTIVE LENS FOCUSING LASER BEAMS ON DIFFERENT THICKNESS SUBSTRATES, AND AN ANNULAR PHASE SHIFTER DECREASING FOCUSED LASER BEAM SPOT ABERRATION'20026,477,129'Optical disc drive'20026,430,140'OPTICAL HEAD HAVING TWO SEMICONDUCTOR LASERS OF DIFFERENT WAVELENGTH, AN OBJECTIVE LENS FOCUSING LASER BEAMS ON DIFFERENT THICKNESS SUBSTRATES, AND AN ANNULAR PHASE SHIFTER DECREASING FOCUSED LASER BEAM SPOT ABERRATION'20026,400,664'Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams'20026,333,908'Optical head having two semiconductor lasers of different wavelength, an objective lens focusing laser beams on different thickness substrates, and an annular phase shifter decreasing focused laser beam spot aberration'20016,278,548'Polarizing diffraction grating and magneto-optical head made by using the same'20016,272,097'Optical head and apparatus for recording and reproducing optical information through the use of the optical head'20016,256,284'Optical head having two semiconductor lasers of different wavelength, an objective lens focusing laser beams on different thickness substrates, and an annular phase shifter decreasing focused laser beam spot abberation'20016,215,756'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'20016,185,177'Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same'20016,125,087'Optical pickup for optical disk apparatus'20005,995,474'Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same'19995,930,220'Tracking method for optical disk apparatus using diffraction light'19995,889,748'Object lens and optical head for reproducing data from optical disks in different thickness of substrate'19995,886,969'High-density information recording/reproducing method'19995,835,469'High-density information recording/reproducing method'19985,784,347'Optical disk device having optical phase compensator'19985,774,444'Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam'19985,715,226'Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same'19985,668,786'Magneto-optic disk apparatus having means for eliminating fluctuation component in reproduction magneto-optic signal'19975,615,192'Information recording and reproducing method and apparatus'19975,615,199'Optical head apparatus'19975,481,386'Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2021Patents assigned to HITACHI LTD (72)· patent assignee history
1996–2003Based in Hachioji, JP· patent location history
1997–2011Based in Tokorozawa, JP· patent location history
2002–2005Based in Saitama, JP· patent location history
2003–2011Patents assigned to HITACHI MEDIA ELECTRON KK (8)· patent assignee history
2008–2017Based in Yokohama, JP· patent location history
2011–2017Patents assigned to SHIMANO TAKESHI (6)· patent assignee history
2011–2017Patents assigned to IDE TATSURO (4)· patent assignee history
2016–2021Based in Tokyo, JP· patent location history
2018–2021Patents assigned to MAXELL LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD721996–2021
HITACHI MEDIA ELECTRON KK82003–2011
SHIMANO TAKESHIself62011–2017
MAXELL LTD52018–2021
IDE TATSURO42011–2017
Locations
LocationPatentsSpan
Tokorozawa, JP441997–2011
Yokohama, JP182008–2017
Tokyo, JP162016–2021
Hachioji, JP71996–2003
Saitama, JP32002–2005