HITACHI-GE NUCLEAR ENERGY, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G21C NUCLEAR REACTORS 1096
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 21185
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 1210
 
  
 
G21D NUCLEAR POWER PLANT 105
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING667
 
  
 
B24C ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL513
 
  
 
F16H GEARING496
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 4194
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3106
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0358,677 Control Rod Drive MechanismMay 26, 16Dec 08, 16[G21C]
2016/0268,009 Cooling System of Reactor Suppression PoolOct 21, 14Sep 15, 16[G21C]
2016/0125,965 Power PlantOct 28, 15May 05, 16[G01M, F28B, G21D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9916908 Gas supply apparatus and air or nitrogen supply apparatus of nuclear plantOct 30, 14Mar 13, 18[F16K, F15B, G21C, G21D]
9822859 Gap expanding method of ball screw and fine motion control rod drive mechanism incorporating gap expanded ball screwJun 06, 17Nov 21, 17[F16H]
9799418 Method of treating radioactive liquid waste and radioactive liquid waste treatment apparatusJul 29, 14Oct 24, 17[B03C, G21F, G01T, B01D]
9772146 Plate heat exchangerNov 07, 12Sep 26, 17[F28D, F28F]
9753017 Ultrasonic observation equipment, ultrasonic observation system, and ultrasonic observation methodJun 02, 14Sep 05, 17[G01N, G01S, G21C]
9695918 Gap expanding method of ball screw and fine motion control rod drive mechanism incorporating gap expanded ball screwFeb 04, 14Jul 04, 17[F16H]
9682360 Radionuclide adsorbent, method of producing radionuclide adsorbent and production apparatus thereofDec 19, 13Jun 20, 17[G21F, B01J]
9666312 Natural-circulation boiling water reactor and chimney thereforNov 16, 12May 30, 17[G21C]
9442203 Neutron monitoring systemJun 09, 14Sep 13, 16[G21C, G01T]
9334031 System for attitude control of underwater vehicle and method for attitude control of underwater vehicleJun 26, 14May 10, 16[B63G, B65H, G21C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0013,413 Water Jet Peening Apparatus and Water Jet Peening MethodAbandonedJul 10, 14Jan 15, 15[B21D]
2014/0338,870 PLATE HEAT EXCHANGERAbandonedOct 23, 12Nov 20, 14[F28D, F28F]
2014/0331,771 Ultrasonic Measurement SystemAbandonedNov 15, 13Nov 13, 14[G01K, G01B]
2014/0254,738 ALTERNATIVE AIR SUPPLY AND EXHAUST PORT FOR AIR-OPERATED VALVEAbandonedFeb 19, 14Sep 11, 14[G21C]
2014/0233,689 Water Jet Peening Apparatus and Water Jet Peening MethodAbandonedFeb 14, 14Aug 21, 14[G21C]
2014/0229,020 Higher-Order Vibration Control DeviceAbandonedJan 29, 14Aug 14, 14[G05D]
2014/0210,988 Inspection Apparatus and Method for Producing Image for InspectionAbandonedMar 27, 14Jul 31, 14[H04N]
2014/0140,465 Platinum Oxide Colloidal Solution, Manufacturing Method Therefor, Manufacture Apparatus Thereof, and Method of Injection Noble Metal of Boiling Water Nuclear Power PlantAbandonedNov 19, 13May 22, 14[B01J, G21C, C02F]
2014/0069,810 Electrochemical Corrosion Potential SensorAbandonedApr 10, 13Mar 13, 14[G01N]
2014/0064,427 GAS TREATMENT EQUIPMENT OF NUCLEAR POWER PLANTAbandonedAug 29, 13Mar 06, 14[B01J]
2014/0064,433 Fuel Assembly and Core of Nuclear ReactorAbandonedAug 29, 13Mar 06, 14[G21C]
2014/0037,039 Fuel Assembly and Reactor CoreAbandonedJul 31, 13Feb 06, 14[G21C]
8638897 Underwater remote surface inspection method and apparatus for reactor constituting memberExpiredOct 14, 09Jan 28, 14[G21C]
8620708 Progress status management method, program, and progress status management deviceExpiredNov 10, 08Dec 31, 13[G06Q]
8566065 Apparatus, method, program, and recording medium for supporting arrangement of operation areas layoutExpiredJul 28, 10Oct 22, 13[G06F]
8526562 Reactor power control apparatus of natural circulation reactor, generation system of natural circulation reactor and method for controlling reactor power of natural circulation reactorExpiredFeb 26, 07Sep 03, 13[G21C]
2013/0223,581 Nuclear Power PlantAbandonedFeb 15, 13Aug 29, 13[G21C]
2013/0182,811 Method of Monitoring Reactor Bottom Area, Reactor Bottom Area Monitoring Apparatus and Nuclear ReactorAbandonedDec 28, 12Jul 18, 13[G21C]
2013/0177,122 Reactor Water-Level/Temperature Measurement ApparatusAbandonedDec 26, 12Jul 11, 13[G21C]
2013/0149,142 Sliding Bearing and Pump Device Using the SameAbandonedDec 10, 12Jun 13, 13[F04D]

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