HITACHI INFORMATION & TELECOMMUNICATION ENGINEERING, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 27420
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 13107
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1389
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 9189
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 9276
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 9233
 
  
 
H04M TELEPHONIC COMMUNICATION 7156
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 694
 
  
 
H03G CONTROL OF AMPLIFICATION 448
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 3132

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0310,479 Key Replacement Direction Control System and Key Replacement Direction Control MethodOct 26, 15Oct 26, 17[H04L]
2017/0211,830 AIR-CONDITIONING CONTROL SYSTEM, AIR-CONDITIONING PLANNING DEVICE, AND PLANNING METHODDec 12, 16Jul 27, 17[G05B, F24F]
2017/0155,325 RESONANT POWER SUPPLY DEVICENov 09, 16Jun 01, 17[H02J, H02M, H05B]
2016/0301,945 IMAGE COMPRESSION/DECOMPRESSION DEVICEFeb 09, 15Oct 13, 16[H04N]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9904687 Storage apparatus and data management methodFeb 13, 13Feb 27, 18[G06F]
9703497 Storage system and storage control methodJun 23, 14Jul 11, 17[G06F]
9690487 Storage apparatus and method for controlling storage apparatusJul 02, 15Jun 27, 17[G06F]
9680303 Power storage system and power source systemOct 24, 13Jun 13, 17[H02J]
9658774 Storage system and storage control methodJul 09, 14May 23, 17[G06F]
9595841 DC-DC converter, secondary battery charge and discharge system, and method of controlling DC-DC converterJan 23, 15Mar 14, 17[H02J, H02M]
9515557 Step-up step-down converter deviceMar 04, 15Dec 06, 16[H02M]
9516194 Method for correcting shading and scanner deviceJul 03, 14Dec 06, 16[H04N, G06T, G06K]
9509992 Video image compression/decompression deviceDec 19, 13Nov 29, 16[H04N]
9471592 File management system, method and computer programDec 11, 13Oct 18, 16[H04M, H04L, G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0291,877 STORAGE SYSTEM AND DEDUPLICATION CONTROL METHODAbandonedDec 24, 13Oct 06, 16[G06F]
2016/0259,591 STORAGE SYSTEM AND DEDUPLICATION CONTROL METHODAbandonedDec 24, 13Sep 08, 16[G06F]
2016/0243,669 CLAMP JIG AND METHOD OF POLISHING WORKPIECEAbandonedFeb 17, 16Aug 25, 16[B24B]
2015/0142,755 STORAGE APPARATUS AND DATA MANAGEMENT METHODAbandonedAug 24, 12May 21, 15[G06F]
2015/0060,421 LASER ANNEALING APPARATUS AND LASER ANNEALING METHODAbandonedMay 22, 14Mar 05, 15[B23K]
2014/0092,639 BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOFAbandonedDec 05, 13Apr 03, 14[H02M]
2014/0089,353 FILE MANAGEMENT SYSTEM AND METHOD, AND FILE MANAGEMENT PROGRAMAbandonedSep 25, 13Mar 27, 14[G06F]
2013/0282,672 STORAGE APPARATUS AND STORAGE CONTROL METHODAbandonedApr 18, 12Oct 24, 13[G06F]
8564992 Power factor correction device and method with off time prediction for critical mode operationExpiredOct 22, 10Oct 22, 13[G05F]
2013/0254,501 STORAGE APPARATUS AND DATA STORAGE METHODAbandonedMar 23, 12Sep 26, 13[G06F]
2013/0013,880 STORAGE SYSTEM AND ITS DATA PROCESSING METHODAbandonedJul 08, 11Jan 10, 13[G06F]
2012/0274,782 Object Recognition Method and Recognition ApparatusAbandonedApr 24, 12Nov 01, 12[H04N]
8203855 Complex inductor and power supply unitExpiredDec 05, 08Jun 19, 12[H02M]
7577135 IP telephone systemExpiredMar 09, 06Aug 18, 09[H04L, H04Q]
7545798 Communication system for controlling a call portionExpiredSep 17, 04Jun 09, 09[H04L]
7518233 Sealing structure for multi-chip moduleExpiredJun 09, 00Apr 14, 09[H01L]
7432617 Uninterruptible power systemExpiredMay 02, 06Oct 07, 08[H02J]
7308528 Virtual tape library deviceExpiredNov 07, 03Dec 11, 07[G06F]
7245469 DC backup power supply device and method for diagnosing the sameExpiredApr 14, 03Jul 17, 07[H02H]
7013443 Delay diagnosis method for semiconductor integrated circuit, computer program product for diagnosing delay of semiconductor integrated circuit and computer readable recording medium recording program thereonExpiredMar 24, 03Mar 14, 06[G06F]

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