Patents-Review.com
ClassID:

198109 ⎘

G11B7/1353 - 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 Diffractive elements, e.g. holograms or gratings

Recent Application in this class:
#1
20250383554
2025-12-18

ACHROMATIC HOLOGRAPHIC PHASE MARKS

 #2
20240331732
2024-10-03

Method and system for forming birefringent voxels

 #3
20240119964
2024-04-11

Optical identifier and system for reading same

 #4
20240038264
2024-02-01

Optical memory, optical diffraction element, and recording method

 #5
20230062015
2023-03-02

ACHROMATIC HOLOGRAPHIC PHASE MASKS

 #6
20220270645
2022-08-25

Object tracking system including polarization selective optical element

 #7
20220157339
2022-05-19

Optical identifier and system for reading same

 #8
20210225399
2021-07-22

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

 #9
20210200040
2021-07-01

Liquid crystal display panel, driving method therefor, and display device

 #10
20200363240
2020-11-19

Optical encoder system and method

 #11
20200233125
2020-07-23

System and method for forming diffracted optical element having varied gratings

 #12
20200166681
2020-05-28

System and method for forming diffracted optical element having varied gratings

 #13
20200110277
2020-04-09

Diffractive optical element, projection device and measuring device

 #14
20190341072
2019-11-07

Optical information processing device

 #15
20190265399
2019-08-29

Optical identifier and system for reading same

 #16
20190212480
2019-07-11

System and method for forming diffracted optical element having varied gratings

 #17
20190195662
2019-06-27

Optical encoder system and method

 #18
20190139570
2019-05-09

Optical storage system divider based draw verification with high frequency writing strategy pattern

 #19
20180151194
2018-05-31

Image display device and light guiding device with diffraction elements

 #20
20180144770
2018-05-24

Optical storage system divider based DRAW verification with high frequency writing strategy pattern

 #21
20170263281
2017-09-14

Holographic characterization and playback apparatus

 #22
20170256280
2017-09-07

Optical disc apparatus controlling irradiation position based on cross-correlation value between reproduction signal and decoded signal

 #23
20170160547
2017-06-08

Display device with optics for brightness uniformity tuning having DOE optically coupled to receive light at central and peripheral regions

 #24
20160343397
2016-11-24

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

 #25
20160336033
2016-11-17

Optical information device and optical information processing method

 #26
20160322077
2016-11-03

Optical information recording/reproducing device

 #27
20160307591
2016-10-20

Optical information reproduction device and optical information reproduction method

 #28
20160284375
2016-09-29

Recording apparatus

 #29
20160225400
2016-08-04

Optical disc device and spherical aberration error signal detection method

 #30
20160225399
2016-08-04

Light interference module and holographic storage apparatus

 #31
20160196849
2016-07-07

Holographic data storage system

 #32
20160171997
2016-06-16

Recording/reproducing apparatus

 #33
20160118076
2016-04-28

Optical information recording/reproducing apparatus

 #34
20160111123
2016-04-21

OPTICAL INFORMATION RECORDING/REPRODUCTION DEVICE AND ADJUSTMENT METHOD

 #35
20160104505
2016-04-14

Optical information apparatus and information processing apparatus

 #36
20160086628
2016-03-24

Optical Component Positioning Device and Optical Recording Device Using Same

 #37
20160055876
2016-02-25

Optical information reproduction device and optical information reproduction method

 #38
20160055875
2016-02-25

Hologram recording and reproducing device, and angular multiplexing recording and reproducing method

 #39
20160049170
2016-02-18

OPTICAL INFORMATION RECORDING AND RECONSTRUCTING DEVICE

 #40
20160041525
2016-02-11

Holographic memory device

 #41
20150380041
2015-12-31

Optical disc information device and information processing device

 #42
20150364151
2015-12-17

OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE, OPTICAL INFORMATION RECORDING AND REPRODUCING METHOD, AND REPRODUCING DEVICE

 #43
20150318012
2015-11-05

Optical information reproduction apparatus and optical information reproduction method

 #44
20150318010
2015-11-05

Optical pickup and optical recording and reproducing device

 #45
20150294681
2015-10-15

Optical information recording device, optical information recording and reproducing device, optical information recording method, optical information recording and reproducing method, and optical element

 #46
20150279410
2015-10-01

Optical recording and playback apparatus

 #47
20150146511
2015-05-28

Optical information recording/reproducing device and optical information recording/reproducing method

 #48
20150138942
2015-05-21

Optical disk information device and information processing device

 #49
20150109895
2015-04-23

OPTICAL INFORMATION REPRODUCING APPARATUS, OPTICAL INFORMATION REPRODUCING METHOD, AND OPTICAL INFORMATION RECORDING METHOD

 #50
20150085633
2015-03-26

Optical information recording apparatus and optical information recording method

 #51
20150043320
2015-02-12

OPTICAL PICKUP AND OPTICAL DISC DEVICE

 #52
20140321251
2014-10-30

Optical head device and optical disc device

 #53
20140313874
2014-10-23

Optical head device and optical disc device

 #54
20140293766
2014-10-02

Optical element and optical head apparatus including the same

 #55
20140269244
2014-09-18

Optical head, objective lens, optical disc device, computer, optical disc player, and optical disc recorder

 #56
20140254345
2014-09-11

Objective lens, optical head, optical disk device, and information processing device

 #57
20140241142
2014-08-28

Optical pickup and optical information storage system including the same

 #58
20140241141
2014-08-28

Optical pickup and optical information storage system including the same

 #59
20140233367
2014-08-21

Method of aligning light sources in an optical pickup device, and optical pickup and optical disc drive employing the method

 #60
20140140184
2014-05-22

Optical tape pick up unit with holographic optical element

 #61
20140119169
2014-05-01

Optical pickup device, optical information device, and information processing device

 #62
20140098656
2014-04-10

Optical element

 #63
20140092718
2014-04-03

Method of writing to an optical data storage medium, method of reading from an optical data storage medium, and optical data storage medium

 #64
20140071394
2014-03-13

Optical diffraction element, optical pickup, and optical diffraction element manufacturing method

 #65
20140036651
2014-02-06

Reproducing device and reproducing method

 #66
20140010058
2014-01-09

Optical information device, optical disc driving device, optical information recording device, optical information reproducing device, gap control method, and optical pickup

 #67
20130279318
2013-10-24

DATA STORAGE AND RETRIEVAL

 #68
20130229898
2013-09-05

Optical pickup device and optical disc apparatus for recording and reproducing information on and from optical disc including plurality of recording layers

 #69
20130170042
2013-07-04

Objective lens element

 #70
20130121126
2013-05-16

OPTICAL ELEMENT HOLDER, OPTICAL ELEMENT UNIT, AND OPTICAL PICKUP APPARATUS

 #71
20130107692
2013-05-02

Optical pickup and optical read/write apparatus

 #72
20130107691
2013-05-02

Optical pickup and optical disc device including the same

 #73
20130107252
2013-05-02

OPTICAL PICKUP DEVICE

 #74
20130100792
2013-04-25

Objective optical element and optical pickup device

 #75
20130094338
2013-04-18

Optical pickup and optical read/write apparatus

 #76
20130088948
2013-04-11

Optical read/write apparatus

 #77
20130083641
2013-04-04

Optical pickup device and optical read/write apparatus

 #78
20130077456
2013-03-28

Optical pickup and optical read/write apparatus

 #79
20130058199
2013-03-07

Apparatus comprising a pickup providing multiple beams

 #80
20130051209
2013-02-28

Objective lens for optical pickup and optical pickup apparatus having the same

 #81
20130051205
2013-02-28

Optical pickup and optical read/write drive

 #82
20130051204
2013-02-28

Objective lens, optical head apparatus, optical information apparatus and information processing apparatus

 #83
20130051203
2013-02-28

Direct read after write for optical storage device

 #84
20130016599
2013-01-17

Optical pickup device and optical disc apparatus

 #85
20130016597
2013-01-17

Optical pickup apparatus

 #86
20130015320
2013-01-17

METHOD AND APPARATUS FOR GENERATING FOCUS ERROR SIGNAL, OPTICAL HEAD AND OPTICAL DRIVING APPARATUS

 #87
20130010178
2013-01-10

Optical pickup apparatus having diffractive element for focusing and tracking plurality of light types

 #88
20130003519
2013-01-03

Optical pickup device and position adjusting method for light separating element

 #89
20130003517
2013-01-03

OPTICAL PICKUP DEVICE, OPTICAL DISC APPARATUS, AND INFORMATION RECORDING METHOD

 #90
20130003516
2013-01-03

Optical pickup device

 #91
20130003515
2013-01-03

Apparatus for reading from and/or writing to a near-field optical recording medium

 #92
20130003512
2013-01-03

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS EQUIPPED WITH THE SAME

 #93
20120320728
2012-12-20

Objective lens, optical head and optical disk device

 #94
20120314558
2012-12-13

Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights

 #95
20120314557
2012-12-13

Optical pickup device

 #96
20120314556
2012-12-13

Optical pickup device and optical disc apparatus

 #97
20120287767
2012-11-15

Diffraction grating, aberration correction element and optical head device

 #98
20120287766
2012-11-15

Optical pickup device and optical disc device

 #99
20120287765
2012-11-15

Optical head and optical drive device

 #100
20120281518
2012-11-08

Optical pickup

 #101
20120281516
2012-11-08

Optical pickup and optical information storage medium system using the same

 #102
20120250487
2012-10-04

Elastic member, mounting structure of optical element, and pickup apparatus having the same

 #103
20120236701
2012-09-20

OBJECTIVE LENS FOR A COMBINATION THREE WAVELENGTH DISC DRIVE INCLUDING A BLU-RAY DISC READER AND A DVD/CD READER/WRITER, OPTICAL PICKUP INCORPORATING SAID OBJECTIVE LENS, AND A DISC DRIVE INCORPORATING SAID OPTICAL PICKUP

 #104
20120224805
2012-09-06

Radial optical coupler

 #105
20120218878
2012-08-30

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

 #106
20120218874
2012-08-30

Optical head using beam dividing element

 #107
20120213052
2012-08-23

OPTICAL HEAD, OPTICAL DISC DEVICE, INFORMATION PROCESSING DEVICE, AND OBJECTIVE LENS

 #108
20120213051
2012-08-23

Optical pickup head

 #109
20120213046
2012-08-23

Optical pickup device and optical disc apparatus

 #110
20120207008
2012-08-16

Objective lens element and optical head device including the same

 #111
20120201109
2012-08-09

Optical Pickup Apparatus

 #112
20120200909
2012-08-09

Stacked-grating light modulator

 #113
20120198484
2012-08-02

Optical element adjustment structure and optical pickup

 #114
20120193504
2012-08-02

Optical element holder and optical pickup provided with same

 #115
20120188358
2012-07-26

Optical apparatus

 #116
20120182854
2012-07-19

Objective lens for optical pickup device, optical pickup device, and optical information recording and reproducing device

 #117
20120182852
2012-07-19

Objective lens, optical head, optical disk apparatus, and information processing apparatus

 #118
20120182850
2012-07-19

Optical pickup apparatus and disc apparatus including the same

 #119
20120182628
2012-07-19

Die processing method, die, objective lens, and optical pick-up device

 #120
20120170439
2012-07-05

Objective lens element

 #121
20120170431
2012-07-05

Optical head device, optical information device and information processing device

 #122
20120170122
2012-07-05

Objective lens element

 #123
20120163157
2012-06-28

Optical Element and Optical Pickup Device

 #124
20120155241
2012-06-21

OPTICAL PICKUP APPARATUS AND OBJECTIVE OPTICAL UNIT

 #125
20120155240
2012-06-21

Optical pick-up apparatus with diffractive optical element and optical recording/reproducing apparatus having the same

 #126
20120127841
2012-05-24

PICKUP DEVICE AND OPTICAL DISC DRIVE ADOPTING THE SAME

 #127
20120117580
2012-05-10

OPTICAL PICKUP AND OPTICAL DISC DRIVE INCLUDING THE OPTICAL PICKUP

 #128
20120113784
2012-05-10

OPTICAL PICKUP

 #129
20120112048
2012-05-10

COMPOSITE OPTICAL ELEMENT AND OPTICAL HEAD DEVICE

 #130
20120106311
2012-05-03

Compatible optical pickup and optical information storage medium apparatus using the same

 #131
20120106310
2012-05-03

Optical head device and optical disc device

 #132
20120099414
2012-04-26

OPTICAL PICKUP DEVICE

 #133
20120094066
2012-04-19

INTEGRATED MICRO-OPTICAL SYSTEMS AND CAMERAS INCLUDING THE SAME

 #134
20120087220
2012-04-12

Optical pickup and optical information recording and reproducing apparatus

 #135
20120082020
2012-04-05

Optical pickup device

 #136
20120075982
2012-03-29

Objective lens element and optical pickup device

 #137
20120075981
2012-03-29

Optical pickup device

 #138
20120075978
2012-03-29

Objective lens element and optical pickup device

 #139
20120072931
2012-03-22

SURFACE EMITTING SEMICONDUCTOR LASER, OPTICAL RECORDING HEAD, AND OPTICAL RECORDING APPARATUS

 #140
20120063281
2012-03-15

Semiconductor laser device, optical pickup apparatus, and method of manufacturing semiconductor laser device

 #141
20120057445
2012-03-08

Optical pickup device and optical disc apparatus

 #142
20120051205
2012-03-01

Optical pickup apparatus

 #143
20120026858
2012-02-02

Optical pickup device

 #144
20120026857
2012-02-02

Optical pickup device

 #145
20120023514
2012-01-26

Compound objective lens, optical head device, optical information device, and information processing device

 #146
20120008485
2012-01-12

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

 #147
20120002533
2012-01-05

Optical pickup device

 #148
20120002532
2012-01-05

Optical pickup device and optical disc apparatus

 #149
20110317539
2011-12-29

Objective optical element and optical pickup device

 #150
20110317537
2011-12-29

Multilayer coaxial holographic storage system

 #151
20110310722
2011-12-22

Optical pickup

 #152
20110299375
2011-12-08

Optical pickup device and optical disc apparatus

 #153
20110292782
2011-12-01

Optical pickup apparatus

 #154
20110292778
2011-12-01

Optical pickup device with detection optical system

 #155
20110261670
2011-10-27

OPTICAL PICKUP DEVICE AND OPTICAL DISC DEVICE

 #156
20110255390
2011-10-20

Optical element having three or more sub-wavelength convexo-concave structures

 #157
20110252834
2011-10-20

WAVE PLATE AND ITS MANUFACTURING METHOD

 #158
20110249545
2011-10-13

Objective Lens and Optical Pickup Apparatus

 #159
20110242950
2011-10-06

Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights

 #160
20110235496
2011-09-29

Optical information recording/reproducing apparatus and objective lens for the same

 #161
20110235494
2011-09-29

Optical Pickup Apparatus

 #162
20110235492
2011-09-29

Optical head, diffraction device, objective lens, and optical disc apparatus

 #163
20110228664
2011-09-22

Optical information recording/reproducing apparatus and objective optical system for the same

 #164
20110222389
2011-09-15

LASER CONVERGING APPARATUS, OPTICAL PICKUP DEVICE, AND OPTICAL DISC RECORDING/REPRODUCING APPARATUS

 #165
20110222156
2011-09-15

Diffractive Element for Optical Pickup and Optical Module Including the Same

 #166
20110214138
2011-09-01

Diffraction grating, optical pickup device and optical disc apparatus

 #167
20110211438
2011-09-01

COLLIMATING LENS UNIT AND OPTICAL PICKUP DEVICE USING THE SAME

 #168
20110211437
2011-09-01

Optical pickup device and optical disc apparatus

 #169
20110194396
2011-08-11

Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus

 #170
20110188367
2011-08-04

OPTICAL PICKUP DEVICE

 #171
20110182165
2011-07-28

Optical pickup device and optical disc apparatus using same

 #172
20110182159
2011-07-28

Optical pickup

 #173
20110176403
2011-07-21

OPTICAL HEAD DEVICE, OPTICAL INFORMATION PROCESSING DEVICE, AND SIGNAL DETECTION METHOD

 #174
20110170398
2011-07-14

Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle

 #175
20110170397
2011-07-14

Optical pickup apparatus

 #176
20110164488
2011-07-07

Optical pickup and optical disc apparatus

 #177
20110149712
2011-06-23

Optical information recording/reproducing apparatus and objective lens for the same

 #178
20110141873
2011-06-16

Diffraction grating, aberration correction element and optical head device

 #179
20110141863
2011-06-16

Data storage system and method for calibrating same

 #180
20110134737
2011-06-09

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

 #181
20110128838
2011-06-02

Optical pickup device

 #182
20110128832
2011-06-02

Optical head device and optical disc apparatus

 #183
20110122758
2011-05-26

Optical information recording/reproducing apparatus and objective optical system for the same

 #184
20110122755
2011-05-26

Objective lens and optical pickup device

 #185
20110110216
2011-05-12

Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device

 #186
20110110215
2011-05-12

Optical pickup apparatus

 #187
20110090776
2011-04-21

OPTICAL HEAD DEVICE, OPTICAL INFORMATION PROCESSING APPARATUS, AND SIGNAL DETECTING METHOD

 #188
20110085433
2011-04-14

Objective lens, optical pickup device, and optical disk drive

 #189
20110085432
2011-04-14

GRATING ELEMENT, OPTICAL PICKUP OPTICAL SYSTEM AND METHOD OF DESIGNING GRATING ELEMENT

 #190
20110080646
2011-04-07

MOLDED LENS

 #191
20110075546
2011-03-31

Objective lens and optical pickup apparatus

 #192
20110075545
2011-03-31

Optical pickup device

 #193
20110075544
2011-03-31

Optical pickup device

 #194
20110075543
2011-03-31

Object lens, optical pickup, and optical disc device

 #195
20110075541
2011-03-31

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

 #196
20110069597
2011-03-24

OPTICAL HEAD APPARATUS, HOLOGRAPHIC OPTICAL DEVICE, OPTICAL INTEGRATED DEVICE, OPTICAL INFORMATION PROCESSING APPARATUS, AND SIGNAL DETECTION METHOD

 #197
20110063967
2011-03-17

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING THE SAME

 #198
20110063966
2011-03-17

Compound, polymerizable liquid crystal composition, optical element and optical information writing/reading device

 #199
20110063965
2011-03-17

MULTIPLEXED DATA STORAGE METHOD

 #200
20110063956
2011-03-17

Optical pickup device and optical disc apparatus

 #201
20110051590
2011-03-03

Optical pickup device

 #202
20110044152
2011-02-24

Optical pickup and optical disc apparatus

 #203
20110044142
2011-02-24

Optical disc apparatus and optical disc reproducing method

 #204
20110032811
2011-02-10

Diffractive optical element, objective optical system including the same, and optical pickup including the same

 #205
20110032807
2011-02-10

OPTICAL PICKUP DEVICE AND OPTICAL DISK DEVICE INCLUDING THE SAME

 #206
20110027494
2011-02-03

Non-etched flat polarization-selective diffractive optical elements

 #207
20110026389
2011-02-03

Optical pickup device and optical disc device

 #208
20110013502
2011-01-20

Optical pick-up and optical information recording and reproducing apparatus

 #209
20110007622
2011-01-13

Objective lens and optical pickup apparatus

 #210
20110003957
2011-01-06

Polymerizable compound, photocurable composition, optical element and optical head device

 #211
20110002215
2011-01-06

OPTICAL PICKUP DEVICE AND OPTICAL INFORMATION PROCESSING APPARATUS USING THE OPTICAL PICKUP DEVICE

 #212
20100322060
2010-12-23

Objective lens, optical pickup and optical disc apparatus

 #213
20100322059
2010-12-23

Objective lens, optical pickup, and optical disc apparatus

 #214
20100315936
2010-12-16

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

 #215
20100315935
2010-12-16

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

 #216
20100309770
2010-12-09

Optical head device and optical information recording/reproducing device

 #217
20100309758
2010-12-09

TRACKING SERVO METHOD OF OPTICAL VIDEO DISC PLAYER AND ITS SPECIAL DEVICE

 #218
20100284262
2010-11-11

Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus

 #219
20100284261
2010-11-11

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

 #220
20100284259
2010-11-11

Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus

 #221
20100278029
2010-11-04

Reflecting wavelength plate and optical pickup using reflecting wavelength plate

 #222
20100271923
2010-10-28

Optical pickup

 #223
20100271922
2010-10-28

HOLOGRAM RECORDING DEVICE

 #224
20100265809
2010-10-21

Optical pickup device

 #225
20100260030
2010-10-14

Liquid crystal element, optical head device, and variable optical modulation element

 #226
20100260022
2010-10-14

Light spot position control apparatus and light spot position control method

 #227
20100245692
2010-09-30

Laminated wave plate, optical pickup device, polarization converter, and projection display apparatus

 #228
20100238782
2010-09-23

Optical pickup, optical information recording method, and optical disc apparatus

 #229
20100238780
2010-09-23

Optical pickup device

 #230
20100232282
2010-09-16

Optical pickup device

 #231
20100226234
2010-09-09

Optical head device for detecting an error signal and an optical information recording/reproducing device

 #232
20100220576
2010-09-02

OPTICAL PICKUP DEVICE AND INFORMATION RECORDING/REPRODUCTION DEVICE

 #233
20100214902
2010-08-26

Optical pickup and optical disc device

 #234
20100214892
2010-08-26

OPTICAL RECORDING DEVICE AND METHOD OF OPERATING AN OPTICAL RECORDING DEVICE

 #235
20100208569
2010-08-19

Optical pickup device

 #236
20100208568
2010-08-19

Optical head device, optical information device, and diffractive element

 #237
20100188960
2010-07-29

Objective lens, optical pickup and optical disk apparatus

 #238
20100182891
2010-07-22

Optical pickup device and optical disc device

 #239
20100182889
2010-07-22

Optical disk apparatus, optical pickup, preformatted signal generation method and program

 #240
20100177619
2010-07-15

Pickup device

 #241
20100177618
2010-07-15

Optical pickup device

 #242
20100172228
2010-07-08

VOLUMINAL INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS, INFORMATION REPRODUCING APPARATUS , AND OPTICAL PICKUP

 #243
20100157778
2010-06-24

Optical pickup device

 #244
20100157777
2010-06-24

Optical head and optical disc device

 #245
20100155977
2010-06-24

Optical device and method of producing the same

 #246
20100149956
2010-06-17

Optical integrated device, method for detecting light, optical pickup, and optical disc apparatus

 #247
20100149952
2010-06-17

OPTICAL PICKUP DEVICE AND OPTICAL DISC APPARATUS USING THE SAME

 #248
20100149951
2010-06-17

INFORMATION RECORDING AND REPRODUCING DEVICE

 #249
20100149947
2010-06-17

Laser converging apparatus, optical pickup device, and optical disc recording/reproducing apparatus

 #250
20100148045
2010-06-17

Photodetector, diffraction grating, optical pickup and optical disc apparatus

 #251
20100142358
2010-06-10

Optical head, optical disc device, computer, optical disc player and optical disc recorder

 #252
20100142356
2010-06-10

Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system

 #253
20100142355
2010-06-10

OPTICAL HEAD DEVICE AND OPTICAL INFORMATION RECORDING OR REPRODUCING DEVICE

 #254
20100142334
2010-06-10

Optical tape system

 #255
20100136151
2010-06-03

Optical tape embossing drum and optical tape embossing drum shim

 #256
20100135146
2010-06-03

Optical pickup device and optical disc device with offset compensation

 #257
20100135145
2010-06-03

Optical pickup apparatus and optical disc apparatus including the same

 #258
20100135143
2010-06-03

Optical system, optical pickup apparatus, and optical disc apparatus for extracting signal beams

 #259
20100135140
2010-06-03

INFORMATION RECORDING AND REPRODUCING DEVICE

 #260
20100135139
2010-06-03

Optical tape test system

 #261
20100135136
2010-06-03

Data storage system and linear tape

 #262
20100135130
2010-06-03

Optical pickup and optical information processing device

 #263
20100135129
2010-06-03

Data storage system and method for operating a servo system

 #264
20100128592
2010-05-27

Objective lens for optical pickup device, and optical pickup device

 #265
20100128591
2010-05-27

Optical information reproducing apparatus, optical information recording and reproducing apparatus

 #266
20100124159
2010-05-20

Optical pickup device and objective optical element

 #267
20100124158
2010-05-20

HOLOGRAPHY WITH INTERFERENCE REVIVAL

 #268
20100118684
2010-05-13

INFORMATION RECORDING AND REPRODUCING DEVICE

 #269
20100118683
2010-05-13

Micro-Fresnel zone plate optical devices using densely accumulated ray points

 #270
20100110549
2010-05-06

Optical Element and Method for Machining Die for Optical Element

 #271
20100103800
2010-04-29

Apparatus with a pickup for reading data from or writing data to an optical storage medium

 #272
20100103798
2010-04-29

OPTICAL DATA RECORDING AND IMAGING ON MEDIA USING APOCHROMATIC LENSES AND A LIGHT SEPARATING MEANS

 #273
20100099789
2010-04-22

METHOD FOR MODULATING LIGHT OF PHOTOREFRACTIVE COMPOSITION

 #274
20100097919
2010-04-22

Optical pickup apparatus

 #275
20100097917
2010-04-22

Diffractive optical element and optical pickup

 #276
20100097670
2010-04-22

Holographic storage system with improved beam overlap

 #277
20100091634
2010-04-15

OPTICAL HEAD DEVICE

 #278
20100091632
2010-04-15

Optical system, optical pickup apparatus, and optical disk apparatus

 #279
20100085861
2010-04-08

LENS SYSTEM FOR SCANNING DEVICE

 #280
20100080106
2010-04-01

Optical pickup apparatus and optical disc apparatus

 #281
20100074090
2010-03-25

Storage system and optical pick-up unit

 #282
20100073747
2010-03-25

Wavelength-multiplex and space-multiplex holographic storage device

 #283
20100067355
2010-03-18

Optical pickup apparatus

 #284
20100067350
2010-03-18

Optical pickup apparatus

 #285
20100061202
2010-03-11

Optical pickup device and optical disc apparatus

 #286
20100054110
2010-03-04

Reflecting wavelength plate and optical pickup using reflecting wavelength plate

 #287
20100054109
2010-03-04

Condensing optical device, optical pickup, and optical disc apparatus

 #288
20100054108
2010-03-04

Objective lens for optical pickup device, optical pickup device and optical information recording/reproducing apparatus

 #289
20100046889
2010-02-25

Apparatus and method for coupling light to a thin film optical waveguide

 #290
20100046340
2010-02-25

Optical drive device and amplification rate determining method

 #291
20100034072
2010-02-11

FRESNEL MEMBER HAVING VARIABLE SAG FOR MULTIPLE WAVELENGTH OPTICAL SYSTEM

 #292
20100034071
2010-02-11

Diffraction grating, optical pickup and optical disc device

 #293
20100033817
2010-02-11

Wave plate with birefringent regions and its manufacturing method

 #294
20100027405
2010-02-04

Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus

 #295
20100027402
2010-02-04

OPTICAL HEAD DEVICE AND OPTICAL DISC APPARATUS

 #296
20100027386
2010-02-04

Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus

 #297
20100027384
2010-02-04

OPTICAL HEAD DEVICE, OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND ERROR SIGNAL GENERATION METHOD

 #298
20100020671
2010-01-28

PHASE CORRECTION ELEMENT AND OPTICAL HEAD DEVICE

 #299
20100020670
2010-01-28

Optical pickup device, optical disc device, and diffraction grating

 #300
20100014411
2010-01-21

Optical pickup device