HITACHI VIDEO & INFORMATION SYSTEM, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 6236
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 5133
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 4147
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 2196
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1101
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
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 196
 
  
 
H03K PULSE TECHNIQUE 1130
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6727907 Video data processing device and video data display deviceMar 04, 02Apr 27, 04[G09G]
6646629 Liquid crystal display control device, liquid crystal display device using the same, and information processorJan 18, 02Nov 11, 03[G09G]
6549182 Liquid crystal driving circuit and liquid crystal display deviceAug 14, 01Apr 15, 03[G09G]
6382505 Electronic purseJul 12, 00May 07, 02[G06F]
6295258 Method for recording and reproducing information by pre-pits detectionSep 11, 00Sep 25, 01[G11B]
6199755 Machine data acquistion system and methodMay 14, 98Mar 13, 01[G06K]
6189782 Electronic purseJul 18, 97Feb 20, 01[G06F]
6091678 Method and apparatus for detecting position of alternated land and groove of information recording mediumJan 05, 98Jul 18, 00[G11B]
5621576 Optical head for optical memory disk recording device with elastic support in a direction parallel to a recording surfaceMay 25, 94Apr 15, 97[G02B, G11B]
5502483 Video camera apparatusDec 21, 93Mar 26, 96[H04N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0287,606 SYSTEM AND TERMINAL DEVICE FOR ELECTRONIC MONEY TRANSACTION ON INFORMATION AND METHOD THEREOFAbandonedJul 23, 09Nov 19, 09[G06Q]
7346579 Electronic purse application system and method thereofExpiredOct 30, 01Mar 18, 08[G06Q]
7278029 Program writable IC card and method thereofExpiredFeb 05, 03Oct 02, 07[G06K]
7227825 Signal recording/reproducing apparatus with improved power consumptionExpiredJan 13, 04Jun 05, 07[G11B]
7039141 Data synchronization detection device, information recording device, information reproduction device, information recording format, signal processing device, information recording and reproducing device, and information recording mediumExpiredAug 16, 01May 02, 06[G11B]
7020833 Data synchronization detection method, information recording method, and information reproduction methodExpiredAug 16, 01Mar 28, 06[G06F]
6980385 Apparatus for information recording and reproducingExpiredAug 10, 04Dec 27, 05[G11B]
6976625 Electronic purseExpiredMar 30, 04Dec 20, 05[G06K]
6938165 Program writable IC card and method thereofExpiredAug 22, 01Aug 30, 05[H04L]
6925532 Broadcast system in disk array controllerExpiredOct 01, 03Aug 02, 05[G06F]
6827258 Electronic purseExpiredMar 18, 02Dec 07, 04[G06F]
6791776 Apparatus for information recording and reproducingExpiredFeb 28, 01Sep 14, 04[G11B]
6771324 Display and apparatusExpiredAug 18, 00Aug 03, 04[H04N]
6732272 Program writable integrated circuit card and method thereforeExpiredJul 31, 97May 04, 04[H04L, G06F]
6697976 Performance evaluation method, performance evaluation system, and information storage apparatus using sameExpiredJun 19, 00Feb 24, 04[G06F, H03G]
6658529 Broadcast system in disk array controllerExpiredMar 18, 02Dec 02, 03[G06F]
6629204 Disk array controller including a plurality of access pathsExpiredNov 15, 02Sep 30, 03[G06F]
6564294 Broadcast system in disk array controllerExpiredMar 13, 00May 13, 03[G06F]
6529245 Display device also compatible with digital broadcastsExpiredSep 12, 01Mar 04, 03[H04N]
6525742 Video data processing device and video data display device having a CPU which selectively controls each of first and second scaling unitsExpiredFeb 20, 01Feb 25, 03[G09G]

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