Hitachi Engineering Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G21C NUCLEAR REACTORS 1629
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 13434
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 6145
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 554
 
  
 
G11C STATIC STORES 5146
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
B01D SEPARATION 2132
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
B24C ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL216

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7814223 Packet communication device, packet communication system, packet communication system, packet communication module, data processor, and data transfer systemJan 29, 08Oct 12, 10[G06F]
7386067 Frequency offset cancellation circuit for data determination in wireless communicationsOct 13, 06Jun 10, 08[]
7382681 Semiconductor integrated circuitFeb 21, 07Jun 03, 08[G11C]
7367192 Combined cycle plantMay 05, 05May 06, 08[F02C]
7310717 Data transfer control unit with selectable transfer unit sizeJun 04, 03Dec 18, 07[G06F]
7307421 Magnetic resonance imaging deviceApr 22, 04Dec 11, 07[G01V]
7287430 Method of evaluating connected portions, method of connecting electrical winding conductors and apparatus thereforMay 11, 05Oct 30, 07[G01N]
7196967 Semiconductor integrated circuitJun 05, 06Mar 27, 07[G11C]
7193929 Semiconductor integrated circuitJun 05, 06Mar 20, 07[G11C]
7141221 Apparatus for processing perfluorocarbonMay 16, 01Nov 28, 06[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7641867 Apparatus for processing perfluorocarbonExpiredJun 23, 06Jan 05, 10[B01D]
2008/0309,383 Semiconductor Integrated CircuitAbandonedApr 21, 08Dec 18, 08[H03L]
7126448 Superconducting magnet apparatus and magnetic resonance imaging apparatus using the sameExpiredApr 08, 05Oct 24, 06[H01F]
7126872 Semiconductor integrated circuitExpiredOct 12, 04Oct 24, 06[G11C]
6983585 Combined cycle plantExpiredAug 08, 03Jan 10, 06[F02C, F02G]
6982060 Chemical decontamination liquid decomposing system having catalyst tower and catalyst tower thereforExpiredJun 14, 04Jan 03, 06[B01J]
2005/0146,407 Superconducting magnet apparatus and magnetic resonance imaging apparatus using the sameAbandonedNov 04, 04Jul 07, 05[H01F]
2005/0144,308 Method for managing file transfer actions, method for visualizing file transfer actions, and apparatus for managing file transfer actions and user terminals in file transfer systemAbandonedFeb 26, 04Jun 30, 05[G06F]
6907891 Radioactive substance decontamination method and apparatusExpiredFeb 21, 02Jun 21, 05[G21F]
2005/0014,989 Radioactive substance decontamination method and apparatusAbandonedMar 24, 04Jan 20, 05[G21F]
6837673 Turbine-unit disassembling method and turbine unitExpiredOct 10, 02Jan 04, 05[F01D]
6781590 Graphic processing system having bus connection control functionsExpiredNov 19, 01Aug 24, 04[G06F]
2004/0153,597 Communication control semiconductor device and interface systemAbandonedMar 19, 04Aug 05, 04[G06F]
6757621 Process management systemExpiredJan 16, 03Jun 29, 04[H01L]
6731291 Image processing device and system using the sameExpiredJan 25, 02May 04, 04[G06F]
6697070 Graphic processing systemExpiredDec 07, 99Feb 24, 04[G06T]
6688057 Structure of liner and primary containment vessel using its structureExpiredAug 23, 01Feb 10, 04[E04B]
6657459 Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of themExpiredMay 14, 02Dec 02, 03[H03K]
6652817 Apparatus for processing organohalogen compoundsExpiredOct 29, 98Nov 25, 03[B01J, B01D]
6654438 Control rod for boiling water reactor, unit for control rod and production method of control rodExpiredJul 30, 01Nov 25, 03[G21C]

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