ClassID:

198112

G11B7/1362 - CPC Classification

Classification description:

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Heads, e.g. forming of the optical beam spot or modulation of the optical beam; Means for guiding the beam from the source to the record carrier or from the record carrier to the detector Mirrors

Recent Application in this class:
#1
20260148751
2026-05-28

Compact Writing and Reading Head for Hyper Speed Data Recording on Ceramic Material

#2
20240119964
2024-04-11

Optical identifier and system for reading same

#3
20220157339
2022-05-19

Optical identifier and system for reading same

#4
20220026045
2022-01-27

Lighting apparatus and projection-type image display apparatus

#5
20210390981
2021-12-16

Reproduction apparatus and reproduction method

#6
20210225399
2021-07-22

Holographic storage device and method for simultaneously recording and reading on two sides

#7
20200132275
2020-04-30

Lighting apparatus and projection-type image display apparatus

#8
20190265399
2019-08-29

Optical identifier and system for reading same

#9
20180268855
2018-09-20

Non-rotating optical storage using adjustable mirrors

#10
20170263281
2017-09-14

Holographic characterization and playback apparatus

#11
20170176931
2017-06-22

Optical information recording/reproducing apparatus, optical information recording/reproducing method

#12
20170140786
2017-05-18

DATA READOUT DEVICE FOR READING OUT DATA FROM A DATA CARRIER

#13
20160343397
2016-11-24

Holographic light-emitting module and holographic storage system using the same

#14
20160275982
2016-09-22

Apparatus and method for storing and retrieving optical sensor calibration data

#15
20160217811
2016-07-28

BIO-DISC DETECTION DEVICE

#16
20160196849
2016-07-07

Holographic data storage system

#17
20160111123
2016-04-21

OPTICAL INFORMATION RECORDING/REPRODUCTION DEVICE AND ADJUSTMENT METHOD

#18
20160042756
2016-02-11

OPTICAL INFORMATION PLAYBACK DEVICE AND ADJUSTMENT METHOD

#19
20150318012
2015-11-05

Optical information reproduction apparatus and optical information reproduction method

#20
20150279410
2015-10-01

Optical recording and playback apparatus

#21
20150078146
2015-03-19

Solid immersion mirror with fill material between inner and outer sidewalls

#22
20150063089
2015-03-05

Six-dimensional optical multilayer storage using two-photon absorption writing, erasing and optical coherence tomography reading

#23
20140321254
2014-10-30

Data recording apparatus and method using 3D optical memory, and authentication apparatus and method using 3D optical memory

#24
20140109117
2014-04-17

Optical pickup and optical disk device

#25
20130182550
2013-07-18

OPTICAL PICKUP APPARATUS

#26
20130028066
2013-01-31

Method of reading optical information and method of recording optical information

#27
20130003512
2013-01-03

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS EQUIPPED WITH THE SAME

#28
20120272254
2012-10-25

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS

#29
20120213051
2012-08-23

Optical pickup head

#30
20120201116
2012-08-09

Optical pickup device and optical pickup supporting device including partially overlapping mirrors

#31
20120195180
2012-08-02

OPTICAL PICKUP APPARATUS

#32
20120134254
2012-05-31

OPTICAL PICKUP APPARATUS

#33
20120069725
2012-03-22

Optical pickup apparatus

#34
20120069724
2012-03-22

Optical pickup apparatus

#35
20120069722
2012-03-22

Reproducing device and optical path length servo control method

#36
20120063286
2012-03-15

OPTICAL PICKUP APPARATUS

#37
20120020197
2012-01-26

Optical pickup device

#38
20110211429
2011-09-01

Optical pickup device and optical disc device

#39
20110128838
2011-06-02

Optical pickup device

#40
20110044147
2011-02-24

Multilevel data structure

#41
20100322062
2010-12-23

OPTICAL PICKUP AND OPTICAL DISC DEVICE

#42
20100322058
2010-12-23

HOLOGRAPHIC STORAGE SYSTEM USING ANGLE-MULTIPLEXING

#43
20100321759
2010-12-23

Directly modulated spatial light modulator

#44
20100321749
2010-12-23

Method and apparatus for bulk erasure in a holographic storage system

#45
20100321748
2010-12-23

Method and system for re-writing with a holographic storage medium

#46
20100315936
2010-12-16

Objective lens, optical pick-up device, and optical disk device

#47
20100315935
2010-12-16

Objective lens, optical pick-up device, and optical disk device

#48
20100309768
2010-12-09

Hologram disc reading and writing apparatus and hologram disc reading apparatus

#49
20100296380
2010-11-25

Spatial light modulators with changeable phase masks for use in holographic data storage

#50
20100278029
2010-11-04

Reflecting wavelength plate and optical pickup using reflecting wavelength plate

#51
20100246347
2010-09-30

Optical pickup device capable of emitting first and second light beams having different wavelengths and including a light blocking member for blocking light of a specific wavelength, and a optical information device, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server performing the same

#52
20100226233
2010-09-09

Optical pickup device

#53
20100188961
2010-07-29

Optical disc apparatus

#54
20100157772
2010-06-24

Data storage devices and methods

#55
20100157401
2010-06-24

Apparatus and method for reading and apparatus for reading and writing holograms

#56
20100142357
2010-06-10

OBJECTIVE LENS SYSTEM AND OPTICAL PICKUP DEVICE

#57
20100128578
2010-05-27

Near-field optical head having tapered hole for guiding light beam

#58
20100110865
2010-05-06

Optical information recording and reproducing apparatus, and cartridge

#59
20100080105
2010-04-01

Optical pickup device and optical disk driver using the same

#60
20100054110
2010-03-04

Reflecting wavelength plate and optical pickup using reflecting wavelength plate

#61
20100054103
2010-03-04

Optical information recording/reproducing apparatus and method

#62
20100008208
2010-01-14

Optical recording using a waveguide structure and a phase change medium

#63
20090303859
2009-12-10

Optical data reading/writing with stationary dish mirror

#64
20090279163
2009-11-12

Micromachine structure

#65
20090268583
2009-10-29

Information recording device and information reproducing device

#66
20090268581
2009-10-29

OPTICAL PICK-UP DEVICE

#67
20090262405
2009-10-22

Holographic storage system with reduced noise

#68
20090252023
2009-10-08

INTEGRATED OPTICAL SYSTEM AND METHOD OF MANUFACTURING THE SAME AND INFORMATION RECORDING AND/OR REPRODUCING APPARATUS USING THE INTEGRATED OPTICAL SYSTEM

#69
20090201789
2009-08-13

Optical head device for forming light spot on disc-shaped information medium

#70
20090197185
2009-08-06

DOCUMENT RECORDING METHOD AND APPARATUS

#71
20090190463
2009-07-30

OPTICAL PICK-UP UNIT WITH TWO-MIRROR PHASE SHIFTER

#72
20090168627
2009-07-02

Method of reading optical information and method of recording optical information

#73
20090141325
2009-06-04

Hologram Device and Recording Method

#74
20090135459
2009-05-28

Hologram recording apparatus and hologram recording/reproducing method

#75
20090129245
2009-05-21

Optical pickup apparatus

#76
20090129244
2009-05-21

Compact pickup for micro optical drive

#77
20090129234
2009-05-21

HOLOGRAM RECORDING DEVICE AND HOLOGRAM RECORDING METHOD

#78
20090116086
2009-05-07

Hologram recording device and hologram recording method

#79
20090097379
2009-04-16

HOLOGRAM DEVICE

#80
20090086330
2009-04-02

Optical pickup, optical disc drive device, and optical information device

#81
20090073824
2009-03-19

Optical disc drive

#82
20090059771
2009-03-05

Optical pickup

#83
20090046561
2009-02-19

Optical pickup device

#84
20090040910
2009-02-12

Optical pickup device and optical disk device

#85
20090040893
2009-02-12

Optical pickup device and optical disk device

#86
20090040582
2009-02-12

System and method for holographic storage

#87
20090040577
2009-02-12

System and method for holographic storage

#88
20090034402
2009-02-05

Optical Head Device, Optical Information Device, Optical Disc Player, Car Navigation System, Optical Disc Recorder, and Optical Disc Server

#89
20090022040
2009-01-22

Optical pickup and optical disc apparatus using the same

#90
20090022037
2009-01-22

Optical pickup apparatus

#91
20090016189
2009-01-15

Recording/reproducing apparatus, method of reproducing data, and servo controlling method

#92
20090016180
2009-01-15

Optical pickup apparatus

#93
20090010137
2009-01-08

Optical disc drive and optical information system

#94
20090010136
2009-01-08

Beam shaper for an optical storage system

#95
20090010131
2009-01-08

Assembly Comprising a Component Provided with a Sensitive Part, which Component is Connected to a Base, as Well as an Optical Player Comprising Such an Assembly

#96
20090010113
2009-01-08

Optical pickup and optical pickup aberration correcting method

#97
20090003180
2009-01-01

Holographic recording apparatus, holographic reproducing apparatus, holographic recording method and holographic reproducing method

#98
20080316901
2008-12-25

Optical scanning device with compact spherical aberration compensation

#99
20080310287
2008-12-18

DEFORMABLE MIRROR APPARATUS, OPTICAL PICKUP AND OPTICAL DRIVE APPARATUS

#100
20080304398
2008-12-11

Optical Head That Improves Read Signal Characteristics

#101
20080304394
2008-12-11

Optical pickup and optical disk apparatus

#102
20080298404
2008-12-04

Radiation Beam Source Device

#103
20080289756
2008-11-27

Manufacturing method for variable shape mirror

#104
20080278789
2008-11-13

VARIABLE SHAPE MIRROR AND OPTICAL PICKUP DEVICE

#105
20080252953
2008-10-16

Holographic storage and regeneration system having servo mechanism

#106
20080247011
2008-10-09

Data storage method and device

#107
20080239928
2008-10-02

OPTICAL PICKUP

#108
20080239427
2008-10-02

Multiplexing hologram recording and reconstructing apparatus and method therefor

#109
20080239421
2008-10-02

Hologram recorder

#110
20080231928
2008-09-25

Optical Scanning Device with Low Building Height

#111
20080225909
2008-09-18

Laser light source device, optical information recording device, and optical information reproducing device

#112
20080204838
2008-08-28

FIXING APPARATUS, FIXING METHOD, AND OPTICAL INFORMATION RECORDING APPARATUS

#113
20080198432
2008-08-21

Hologram reproducing apparatus, hologram reproducing method, and phase modulating element

#114
20080197263
2008-08-21

Miniature single actuator scanner for angle multiplexing with circularizing and pitch correction capability

#115
20080192318
2008-08-14

Miniature single actuator scanner for angle multiplexing with circularizing and pitch correction capability

#116
20080192317
2008-08-14

MINIATURE SINGLE ACTUATOR SCANNER FOR ANGLE MULTIPLEXING WITH CIRCULARIZING AND PITCH CORRECTION CAPABILITY

#117
20080181089
2008-07-31

OPTICAL PICKUP

#118
20080175129
2008-07-24

Optical pickup, optical disc apparatus, integrated coupling lens, integrated prism, and optical information equipment

#119
20080170486
2008-07-17

Optical Pickup Device

#120
20080165654
2008-07-10

HOLOGRAPHIC INFORMATION RECORDING AND REPRODUCING APPARATUS

#121
20080165641
2008-07-10

Unit to remove crosstalk in multi-layered disk, optical pickup including the unit, and optical recording and/or reproducing apparatus including the optical pickup

#122
20080163278
2008-07-03

Optical head apparatus and optical information apparatus

#123
20080159091
2008-07-03

Optical pickup device and optical recording medium driving device

#124
20080159089
2008-07-03

Optical head and optical disk apparatus

#125
20080145764
2008-06-19

Pre-exposure and curing of photo-sensitive material for optical data storage

#126
20080130469
2008-06-05

Optical pickup device and optical disc apparatus

#127
20080130468
2008-06-05

Optical pickup device

#128
20080130466
2008-06-05

Optical pickup device

#129
20080127238
2008-05-29

Optical pickup apparatus

#130
20080123492
2008-05-29

Optical pick-up capable of eliminating stray beams

#131
20080117790
2008-05-22

Optical pickup device

#132
20080117628
2008-05-22

OPTICAL PICKUP DEVICE

#133
20080112279
2008-05-15

Lens drive apparatus

#134
20080106994
2008-05-08

Optical storage system

#135
20080106983
2008-05-08

Optical pickup apparatus

#136
20080101195
2008-05-01

Optical head and optical disc device

#137
20080091756
2008-04-17

Method of configuring shape-deformable mirror, optical pickup device, and recording and reproduction unit

#138
20080084806
2008-04-10

Optical recording medium, recording method of information on optical recording medium and reproducing method thereof

#139
20080084595
2008-04-10

Variable shape mirror and optical pickup device having the same

#140
20080074964
2008-03-27

System and Method of Obective Lens Selection in a Multiple Lens Actuator

#141
20080062528
2008-03-13

OPTICAL HEAD DEVICE

#142
20080062486
2008-03-13

APPARATUS FOR RETROREFLECTING REFERENCE BEAM AND HOLOGRAPHIC INFORMATION RECORDING/REPRODUCING DEVICE EMPLOYING THE SAME

#143
20080049586
2008-02-28

OPTICAL PICKUP APPARATUS AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS

#144
20080049569
2008-02-28

Optical pickup device

#145
20080049568
2008-02-28

Aberration correction element, optical pickup and optical disc apparatus

#146
20080037148
2008-02-14

Variable shape mirror

#147
20080031103
2008-02-07

Objective lens, optical pick-up device, and optical disk device

#148
20080030826
2008-02-07

Miniature single actuator scanner for angle multiplexing with circularizing and pitch correction capability

#149
20080002553
2008-01-03

Holographic recording/reproducing apparatus having relative speed controller and method

#150
20080002281
2008-01-03

Information recording apparatus

#151
20070291342
2007-12-20

Hologram recording method and hologram recording device

#152
20070286055
2007-12-13

Optical pickup apparatus and information recording/reproduction apparatus

#153
20070286052
2007-12-13

OPTICAL PICKUP DEVICE

#154
20070274171
2007-11-29

Optical disk apparatus

#155
20070268807
2007-11-22

Optical disc drive apparatus

#156
20070264744
2007-11-15

OPTICAL BENCH, SLIM OPTICAL PICKUP EMPLOYING THE SAME AND METHOD OF MANUFACTURING THE OPTICAL BENCH

#157
20070263678
2007-11-15

Coherent light source and optical system

#158
20070258158
2007-11-08

Deformable mirror device

#159
20070253311
2007-11-01

OPTICAL PICK-UP APPARATUS AND OPTICAL DISC APPARATUS

#160
20070247687
2007-10-25

Spatial light modulators with changeable phase masks for use in holographic data storage

#161
20070237039
2007-10-11

Optical disc drive having a mechanism to reduce the noise level of a focus error signal

#162
20070223326
2007-09-27

Medium, apparatus, and method of recording optical-information

#163
20070210243
2007-09-13

Optical pickup

#164
20070206478
2007-09-06

Hologram recording and reproducing apparatus

#165
20070206300
2007-09-06

Variable shape mirror and optical pickup device having the same

#166
20070206255
2007-09-06

Hologram recorder

#167
20070201327
2007-08-30

Optical pickup device and optical disk device

#168
20070195672
2007-08-23

Writeable optical recording of multilevel oriented nano-structure discs

#169
20070177488
2007-08-02

Optical module and optical recording and/or reproducing apparatus

#170
20070171786
2007-07-26

Optical pickup apparatus and optical disk apparatus

#171
20070165312
2007-07-19

Deformable mirror device, deformable mirror plate

#172
20070153347
2007-07-05

System and method for holographic storage

#173
20070147218
2007-06-28

Optical element, optical pickup unit, and optical disk drive unit

#174
20070147217
2007-06-28

Optical pickup device and optical disk drive

#175
20070121472
2007-05-31

Method and apparatus capable of detecting spherical aberration caused by a storage medium

#176
20070121468
2007-05-31

Optical information recording and reproducing apparatus

#177
20070109943
2007-05-17

Holographic memory reproduction method and apparatus

#178
20070104072
2007-05-10

Extraction optical system, optical pick-up device and optical disc apparatus

#179
20070097836
2007-05-03

Deformable mirror, optical head, and optical recording and playback device

#180
20070097835
2007-05-03

Optical pick-up having a rotary arm actuator

#181
20070091739
2007-04-26

Optical pickup device and optical disk drive

#182
20070091482
2007-04-26

Variable-shape mirror and optical pickup apparatus therewith

#183
20070091481
2007-04-26

Variable-shape mirror and optical pickup apparatus therewith

#184
20070070175
2007-03-29

Optical printhead

#185
20070070170
2007-03-29

Device and method for optical scanning

#186
20070053276
2007-03-08

Optics for double-sided media

#187
20070050803
2007-03-01

Optical head and optical disc device provided therewith

#188
20070041304
2007-02-22

Optical disc drive

#189
20070041108
2007-02-22

Variable-shape mirror, optical pickup therewith, and method for fabricating a variable-shape mirror

#190
20070041088
2007-02-22

Optical pickup device

#191
20070014222
2007-01-18

Optical pickup apparatus and optical information processing apparatus

#192
20070014196
2007-01-18

Optical head and disk reproducing apparatus

#193
20070002472
2007-01-04

Variable-shape mirror and optical pickup device therewith

#194
20060291022
2006-12-28

Optical delay line in holographic drive

#195
20060262820
2006-11-23

Semiconductor laser device and optical pickup apparatus having the device

#196
20060256697
2006-11-16

Optical head and optical head device

#197
20060256694
2006-11-16

Optical system for data storage devices

#198
20060233081
2006-10-19

Optical pickup device

#199
20060227398
2006-10-12

Data storage devices and methods

#200
20060193234
2006-08-31

Optical pick-up apparatus and optical disk apparatus incorporating the optical pick-up apparatus

#201
20060181762
2006-08-17

Method of manufacturing micromirror array and method of manufacturing optical device having micromirror

#202
20060181744
2006-08-17

Optical unit and optical pickup apparatus

#203
20060176799
2006-08-10

Optical information recording method and optical information recording and reproducing apparatus utilizing holography

#204
20060171263
2006-08-03

Optical pick-up device using micromirror array lens

#205
20060169401
2006-08-03

Method of making fluorescent discs

#206
20060158991
2006-07-20

Reflective optical element and optical pickup including the same

#207
20060158983
2006-07-20

Optical reproducing method and optical reproducing system

#208
20060158977
2006-07-20

Optical element, optical pickup unit, and optical disk drive unit

#209
20060133230
2006-06-22

Optical recording using a waveguide structure and a phase change medium

#210
20060126459
2006-06-15

Optical pickup device with phase shift mirror

#211
20060120257
2006-06-08

Apparatus for recording angular multiplexed pits

#212
20060114562
2006-06-01

Optical element and optical pickup device used therewith

#213
20060099376
2006-05-11

Optical data storage system having combined fluorescent three-dimensional information carrier

#214
20060087928
2006-04-27

Mirror element and mirror array

#215
20060083510
2006-04-20

Spherical aberration detection

#216
20060077866
2006-04-13

Optical scanning device

#217
20060077780
2006-04-13

Optical pickup unit and optical disc drive having the same

#218
20060072870
2006-04-06

Micro mirror and method of manufacturing the same

#219
20060072425
2006-04-06

Array-based optical head

#220
20060072419
2006-04-06

Optical scanning device

#221
20060067179
2006-03-30

Optical information recording device and optical information reproduction device

#222
20060062101
2006-03-23

Optical pickup device

#223
20060049330
2006-03-09

Optical system having element for correcting aberration of mirror and optical pickup apparatus employing the same

#224
20060039265
2006-02-23

Pickup module with coating layer

#225
20060030683
2006-02-09

Polyethersulfone compositions

#226
20060028960
2006-02-09

Optical device for monitor and optical pickup apparatus

#227
20060018182
2006-01-26

Solid state microoptoelectromechanical system (moens) for reading photonics diffractive memory

#228
20060013106
2006-01-19

Scanning apparatus for fluorescent multi-layer storage

#229
20060007810
2006-01-12

Optical pickup system and information recording and/or reproducing apparatus employing the same

#230
20060001936
2006-01-05

Angle multiplexing holographic storage device and method

#231
20050289576
2005-12-29

Transducer for heat assisted magnetic recording

#232
20050281170
2005-12-22

Optical pickup device

#233
20050276201
2005-12-15

Optical head device

#234
20050270957
2005-12-08

Optical system for processing CD, DVD and holographic digital data

#235
20050270610
2005-12-08

Holographic data recording apparatus and method

#236
20050270605
2005-12-08

Holographic data recording apparatus and method

#237
20050263683
2005-12-01

Integrated optical system and method of manufacturing the same and information recording and/or reproducing apparatus using the integrated optical system

#238
20050254392
2005-11-17

Parallel recording and reading of diffractive memory using multiple object beams

#239
20050243687
2005-11-03

Mounting structure of total reflection mirror in optical pickup

#240
20050237901
2005-10-27

Optical head device

#241
20050237896
2005-10-27

Hologram recording/reproducing device and hologram recording medium

#242
20050232117
2005-10-20

SYNTHETIC NUMERICAL APERTURE DEVICE AND METHOD

#243
20050230476
2005-10-20

Method and apparatus for recording to and reading from a diffractive optics memory using symmetrical angular encoding

#244
20050226125
2005-10-13

Optical element and optical pickup device

#245
20050213471
2005-09-29

Reflecting optical element and optical pickup device

#246
20050201218
2005-09-15

Optical scanning device

#247
20050180272
2005-08-18

Small form-factor optical data storage device

#248
20050173614
2005-08-11

Optical bench, slim optical pickup employing the same and method of manufacturing the optical bench

#249
20050169570
2005-08-04

Micro optical bench structure

#250
20050169154
2005-08-04

Objective lens for high-density optical focusing and an optical disk in an optical pickup

#251
20050168856
2005-08-04

Method and apparatus for recording to and reading from a multi-layer diffractive optics memory

#252
20050168798
2005-08-04

Deformable mirror and information device having the deformable mirror

#253
20050167576
2005-08-04

Near-field optical probe

#254
20050152237
2005-07-14

Optical pickup device capable of correcting spherical aberration

#255
20050146998
2005-07-07

Optical pickup device capable of correcting spherical aberration

#256
20050146762
2005-07-07

Obliquity correction scanning using a prism mirror

#257
20050141389
2005-06-30

Dynamic solid state diffractive optics applied for reading a diffractive optics memory

#258
20050135219
2005-06-23

Optical head, optical reproducing apparatus, and optical recording and reproducing apparatus

#259
20050122856
2005-06-09

Optical head device having deformable reflecting mirror

#260
20050117498
2005-06-02

Compound objective lens with fold mirror

#261
20050117497
2005-06-02

Optical element and optical head device using it, and optical information device using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information device

#262
20050109915
2005-05-26

Optical head device capable of detecting the output laser beam

#263
20050088948
2005-04-28

Optical pickup apparatus having an improved holographic unit, and optical disk drive including the same

#264
20050088713
2005-04-28

Angular multiplexing apparatus for holographic storage medium

#265
20050083827
2005-04-21

Optical head and optical head device

#266
20050083799
2005-04-21

Optical information recording apparatus, optical information reproducing apparatus, and optical information recording/reproducing apparatus

#267
20050063285
2005-03-24

Optical disc drive and optical pickup

#268
20050058051
2005-03-17

Optical pickup apparatus, optical data recording/reproducing apparatus, and optical data recording/reproducing method

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2005-03-17

Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus

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2005-03-17

Optical pick-up aberration correcting mirror, aberration correcting method and optical pick-up

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2005-03-10

Virtual head for generating a multi-dimensional data signal

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20050047319
2005-03-03

Optical head and method of manufacturing the same

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20050047312
2005-03-03

Optical pickup with reduced size

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20050030880
2005-02-10

Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus

#275
20050030879
2005-02-10

Optical head apparatus

#276
20050030875
2005-02-10

Holographic optical information recording and reproducing apparatus which parallel-translates light ray flux to correct tilt

#277
20050007906
2005-01-13

Objective lens, optical pick-up device, and optical disk device

#278
20050002085
2005-01-06

MEMS mirror device and optical disk apparatus

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17406352
2022-06-28

Recording head with focusing structure

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15940157
2019-08-06

Unmanned aerial vehicle beam redirection system and method

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15675522
2018-06-05

Non-rotating optical storage

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15357774
2017-08-22

Non-rotating optical storage