Hitachi-LG Data Storage, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 19738
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 21184
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 19223
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 12435
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS1089
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 1087
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 10141
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 4107
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 3107
 
  
 
G03H HOLOGRAPHIC PROCESSES OR APPARATUS 329

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0003,987 HEAD MOUNT DISPLAYJun 19, 17Jan 04, 18[G02B, G06F]
2018/0007,325 OPTICAL MODULE AND SCAN-TYPE IMAGE PROJECTION DISPLAY DEVICEJan 04, 16Jan 04, 18[H04N]
2017/0180,688 SCANNING IMAGE DISPLAY DEVICEDec 07, 16Jun 22, 17[H04N, G02B]
2017/0154,648 OPTICAL DISK LIBRARY DEVICE AND SCISSOR-TYPE CONVEYING DEVICENov 16, 16Jun 01, 17[G11B]
2016/0313,560 IMAGE PROJECTION DEVICE AND HEAD MOUNTED DISPLAYOct 31, 14Oct 27, 16[G02B]
2016/0292,191 DATA ARCHIVE SYSTEMFeb 17, 16Oct 06, 16[H04L, G06F]
2015/0161,926 LASER PROJECTION/DISPLAY APPARATUSDec 03, 14Jun 11, 15[H04N, G09G]
2012/0293,775 SCANNING TYPE PROJECTORMay 17, 12Nov 22, 12[G03B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9876999 Optical module and projection image display deviceJun 25, 15Jan 23, 18[F21V, H04N, F21K, G02B, G03B]
9841731 Holographic memory deviceAug 03, 15Dec 12, 17[G02B, G11B, G03H]
9812166 Recording and reproducing device for reconstructing user dataJun 06, 16Nov 07, 17[G06F, G11B, G11C]
9786313 Optical-information recording/reproducing apparatus and optical-information recording/reproducing methodSep 13, 16Oct 10, 17[G11B]
9772178 Optical measuring deviceJul 13, 16Sep 26, 17[G01B]
9759545 Optical tomograph and optical tomographic methodNov 19, 13Sep 12, 17[A61B, G01B]
9761264 Optical information recording/reproducing deviceApr 25, 16Sep 12, 17[G11B]
9664984 Optical unit, projection display apparatus, imaging apparatusDec 01, 14May 30, 17[H04N, G03B]
9658054 Optical measuring apparatusNov 08, 13May 23, 17[G01B]
9638510 Optical tomography observation apparatusFeb 03, 15May 02, 17[G01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0270,961 OPTICAL INFORMATION REPRODUCING DEVICE AND OPTICAL INFORMATION REPRODUCING METHODAbandonedMar 13, 17Sep 21, 17[G06N, G11B, G03H]
2017/0236,543 OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND HOLOGRAPHIC RECORDING/REPRODUCING METHODAbandonedJan 09, 17Aug 17, 17[G11B, G03H]
2016/0358,623 OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND OPTICAL INFORMATION RECORDING/REPRODUCING METHODAbandonedMay 27, 16Dec 08, 16[G11B]
2016/0336,034 OPTICAL INFORMATION REPRODUCING DEVICE AND REFERENCE BEAM ADJUSTING METHODAbandonedMay 11, 16Nov 17, 16[G11B]
2016/0307,589 HOLOGRAM RECORDING AND PLAYBACK DEVICE AND PLAYBACK POSITION DEVIATION DETECTION METHODAbandonedApr 19, 16Oct 20, 16[G11B]
2016/0274,805 DATA ARCHIVE SYSTEMAbandonedDec 09, 15Sep 22, 16[G06F]
2016/0267,936 HOLOGRAM RECORDING AND REPRODUCING APPARATUSAbandonedMar 11, 16Sep 15, 16[G11B]
2016/0232,934 OPTICAL DISK DEVICE, LIBRARY SYSTEM AND DATA RECORDING METHODAbandonedJan 21, 16Aug 11, 16[G11B]
2016/0210,047 DATA LIBRARY SYSTEMAbandonedDec 17, 15Jul 21, 16[G06F]
2016/0154,595 DATA ARCHIVE SYSTEMAbandonedNov 20, 15Jun 02, 16[G06F]
2016/0085,212 OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS, OPTICAL INFORMATION RECORDING/REPRODUCING METHOD AND DATA ARCHIVING SYSTEMAbandonedSep 16, 15Mar 24, 16[G11B, H01S, G03H]
2016/0078,893 OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE AND OPTICAL INFORMATION RECORDING AND REPRODUCING METHODAbandonedAug 11, 15Mar 17, 16[G11B]
2016/0027,468 CHANNEL BITWORD PROSESSOR, PRML DECODER, AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICEAbandonedJun 29, 15Jan 28, 16[G11B]
2015/0309,400 LIGHT SOURCE MODULE AND IMAGE PROJECTION DEVICEAbandonedApr 24, 15Oct 29, 15[G03B]
2015/0213,828 OPTICAL DISK INSPECTION METHOD AND OPTICAL DISK LIBRARY DEVICEAbandonedJan 12, 15Jul 30, 15[G11B]
2015/0194,177 OPTICAL INFORMATION RECORDING DEVICE AND OPTICAL INFORMATION RECORDING METHODAbandonedJan 07, 15Jul 09, 15[G11B]
2015/0117,172 OPTICAL PICKUPAbandonedOct 30, 14Apr 30, 15[G11B]
2015/0109,895 OPTICAL INFORMATION REPRODUCING APPARATUS, OPTICAL INFORMATION REPRODUCING METHOD, AND OPTICAL INFORMATION RECORDING METHODAbandonedOct 21, 14Apr 23, 15[G11B]
2014/0344,642 MODULATION/DEMODULATION METHOD, DEMODULATION APPARATUS, AND CODE MODULATION METHODAbandonedMay 15, 14Nov 20, 14[H03M]
8789074 Optical disc apparatusWithdrawnFeb 25, 08Jul 22, 14[G11B]

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