HITACHI ULSI SYSTEMS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 25337
 
  
 
G11C STATIC STORES 20131
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 14433
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 4155
 
  
 
H03K PULSE TECHNIQUE 3128
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 2196
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 2149
 
  
 
H03G CONTROL OF AMPLIFICATION 250

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8504762 Flash memory storage device with data interfaceJun 01, 12Aug 06, 13[G06F]
8293648 Mass production method of semiconductor integrated circuit device and manufacturing method of electronic deviceSep 22, 11Oct 23, 12[H01L]
8205034 Flash memory drive having data interfaceJul 04, 07Jun 19, 12[G06F]
RE43443 Leadframe semiconductor integrated circuit device using the same, and method of and process for fabricating the twoNov 16, 01Jun 05, 12[H01L]
8190800 Automatic vending machine with a plurality of modules and serial bus systemJul 03, 08May 29, 12[G06F]
8159437 Liquid crystal display device with influences of offset voltages reducedJul 06, 11Apr 17, 12[G09G]
8129707 Semiconductor integrated circuit deviceJun 18, 09Mar 06, 12[H01L]
7705462 Semiconductor device and a method of manufacturing the sameSep 21, 09Apr 27, 10[H01L]
7702704 Random number generating method and semiconductor integrated circuit deviceFeb 12, 04Apr 20, 10[G06F]
7696582 Semiconductor deviceFeb 18, 09Apr 13, 10[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0225,189 METHOD OF FABRICATING SEMICONDUCTOR DEVICEAbandonedApr 23, 14Aug 14, 14[H01L]
2013/0187,610 CHARGING/DISCHARGING MONITORING DEVICE AND BATTERY PACKAbandonedJan 24, 13Jul 25, 13[H02J]
8354713 Method of fabricating semiconductor deviceExpiredMay 13, 11Jan 15, 13[H01L]
8291149 Storage device and storage system having a hard disk drive and flash memoryExpiredJul 05, 04Oct 16, 12[G06F]
8196011 Error detection and correction circuit and semiconductor memoryExpiredFeb 15, 06Jun 05, 12[G06F]
8044488 Semiconductor device having particular impurity density characteristicsExpiredJun 23, 08Oct 25, 11[H01L]
8018006 Semiconductor device having an enlarged space area surrounding an isolation trench for reducing thermal resistance and improving heat dissipationExpiredApr 13, 10Sep 13, 11[H01L]
7965563 Data line disturbance free memory block divided flash memory and microcomputer having flash memory thereinExpiredFeb 02, 09Jun 21, 11[G11C]
7692943 Semiconductor memory device layout comprising high impurity well tap areas for supplying well voltages to N wells and P wellsExpiredDec 10, 07Apr 06, 10[G11C]
7665049 Method for identifying semiconductor integrated circuit device, method for manufacturing semiconductor integrated circuit device, semiconductor integrated circuit device and semiconductor chipExpiredOct 02, 07Feb 16, 10[G06F, G01R]
2009/0307,427 MEMORY CARD AND METHOD OF WRITING DATAAbandonedMar 31, 06Dec 10, 09[G06F]
7620838 Semiconductor integrated circuit and image processing system using the sameExpiredOct 18, 05Nov 17, 09[G06F]
7616516 Semiconductor deviceExpiredApr 24, 08Nov 10, 09[G11C]
7612604 Semiconductor integrated circuit deviceExpiredMay 06, 03Nov 03, 09[H03K]
7569895 Semiconductor deviceExpiredJan 19, 06Aug 04, 09[H01L]
2009/0181,721 IC CARDAbandonedMar 23, 09Jul 16, 09[H04M]
7505329 Data line disturbance free memory block divided flash memory and microcomputer having flash memory thereinExpiredSep 25, 07Mar 17, 09[G11C]
2009/0009,236 Step-down circuit with stabilized output voltageAbandonedSep 02, 08Jan 08, 09[G05F]
7440350 Semiconductor integrated circuit deviceExpiredFeb 21, 07Oct 21, 08[G11C]
2008/0247,258 SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICEAbandonedMay 09, 08Oct 09, 08[G11C]

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