HITACHI CONSUMER ELECTRONICS CO., LTD.

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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 56413
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 50192
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 29418
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 19132
 
  
 
G03H HOLOGRAPHIC PROCESSES OR APPARATUS 1616
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1497
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 9276
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199
 
  
 
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 691
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 4194

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0162,221 Optical Information Recording/Reproduction Device and Optical Information Recording/Reproduction MethodJun 25, 14Jun 08, 17[G11B, G03H]
2010/0329,640 Recording/Reproducing ApparatusApr 28, 10Dec 30, 10[H04N]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9824713 Light information device and light information processing methodApr 21, 14Nov 21, 17[G11B]
9786312 Hologram reproducing apparatus and hologram reproducing methodSep 18, 13Oct 10, 17[G11B]
9761263 Optical information recording and reproducing device, optical information recording and reproducing methodDec 12, 12Sep 12, 17[G11B]
9715426 Monocular holographic data storage system and method thereofJan 31, 12Jul 25, 17[G06F, G11B, G03H]
9653107 Hologram recording and playback device and hologram playback methodApr 08, 13May 16, 17[G11B, G03H]
9607648 Recording/reproducing apparatus and recording mediumNov 30, 12Mar 28, 17[G11B]
9601147 Optical information recording and reproducing apparatus and optical information recording and reproducing methodNov 27, 12Mar 21, 17[G11B, G03H]
9551917 Light source unit and projection display system using sameOct 08, 13Jan 24, 17[G03B]
9508377 Hologram recording and reproducing device, and angular multiplexing recording and reproducing methodApr 05, 13Nov 29, 16[G11B, G03H]
9406344 Optical information recording/reproduction device, and optical information recording/reproduction methodJan 16, 12Aug 02, 16[G11B, G11C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0049,170 OPTICAL INFORMATION RECORDING AND RECONSTRUCTING DEVICEAbandonedApr 10, 13Feb 18, 16[G11B, G03H]
2016/0042,756 OPTICAL INFORMATION PLAYBACK DEVICE AND ADJUSTMENT METHODAbandonedApr 08, 13Feb 11, 16[G11B, G03H]
2015/0364,151 OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE, OPTICAL INFORMATION RECORDING AND REPRODUCING METHOD, AND REPRODUCING DEVICEAbandonedApr 23, 12Dec 17, 15[G11B]
2015/0131,424 OPTICAL INFORMATION RECORDING/REPRODUCTION DEVICE, RECORDING CONDITION ADJUSTMENT METHOD, AND OPTICAL INFORMATION RECORDING MEDIUMAbandonedMay 23, 12May 14, 15[G11B]
2014/0344,642 MODULATION/DEMODULATION METHOD, DEMODULATION APPARATUS, AND CODE MODULATION METHODAbandonedMay 15, 14Nov 20, 14[H03M]
2014/0071,798 MULTILAYER INFORMATION RECORDING MEDIUM, AND INFORMATION PLAYBACK METHOD AND INFORMATION RECORDING METHOD EMPLOYING SAMEAbandonedMar 07, 12Mar 13, 14[G11B]
8665680 Recording/reproducing apparatusExpiredNov 19, 10Mar 04, 14[G11B]
8634281 Optical disc deviceExpiredMar 02, 12Jan 21, 14[G11B]
8625399 Optical disk apparatus and its reproducing methodExpiredOct 15, 12Jan 07, 14[G11B]
8619524 Recording reproducing apparatus and recording reproducing methodExpiredFeb 01, 12Dec 31, 13[G11B]
2013/0336,632 RECORDING DEVICE/METHOD/MEDIUM AND REPLAYING DEVICE/METHODAbandonedMar 11, 11Dec 19, 13[H04N]
8611194 Recording and reproducing apparatus and methodExpiredOct 30, 09Dec 17, 13[G11B]
8594487 Recording apparatus/method/medium and reproducing apparatus/methodExpiredApr 13, 11Nov 26, 13[H04N]
8582400 Data library apparatusExpiredOct 18, 12Nov 12, 13[G11B]
8576677 Optical signal detecting circuit and information reproducing device using the sameExpiredApr 09, 09Nov 05, 13[G11B]
8565051 Storage system and method for generating file system in the storage systemExpiredNov 30, 10Oct 22, 13[G11B]
8565580 Recording apparatus/method/medium and reproduction apparatus/methodExpiredApr 14, 11Oct 22, 13[H04N]
8559285 Optical disc apparatusExpiredAug 03, 12Oct 15, 13[G11B]
2013/0258,827 OPTICAL DISK, FORMAT PROCESSING METHOD FOR THE SAME, RECORDING METHOD FOR THE SAME, AND OPTICAL DISK DEVICEAbandonedMar 04, 13Oct 03, 13[G11B]
8547809 Optical disk deviceExpiredJun 03, 09Oct 01, 13[G11B]

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