MITSUBISHI HITACHI POWER SYSTEMS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 4455
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 3868
 
  
 
B01D SEPARATION 12335
 
  
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 1195
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 834
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 6153
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS5628
 
  
 
C22C ALLOYS 5524
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3871
 
  
 
F23D BURNERS 298

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0066,542 SUPPORT DEVICE, TURBINE, METHOD FOR ASSEMBLING ROTARY MACHINE, AND METHOD FOR DISASSEMBLING ROTARY MACHINEMar 18, 16Mar 08, 18[F01D]
2018/0066,662 Gas Turbine Manufacturing MethodApr 11, 16Mar 08, 18[F04D]
2018/0058,232 Segment for Sealing Device, and Turbine Rotor and Turbine Comprising SameJun 22, 17Mar 01, 18[F01D]
2018/0058,234 Gas TurbineAug 16, 17Mar 01, 18[F02C, F01D]
2018/0058,261 TurbineJul 07, 17Mar 01, 18[F01D]
2018/0058,267 BOILER, STEAM-GENERATING PLANT PROVIDED WITH SAME, AND METHOD FOR OPERATING BOILERMar 22, 16Mar 01, 18[F01K, F22B, F22D]
2018/0050,302 CEMENT SOLIDIFICATION DEVICE FOR WASTE AND METHOD THEREFOR, AND ZERO-LIQUID DISCHARGE AIR POLLUTION CONTROL SYSTEM AND METHOD THEREFORFeb 25, 16Feb 22, 18[B09B, C02F, B01D]
2018/0051,710 COMPRESSOR ROTOR, COMPRESSOR, AND GAS TURBINEApr 18, 16Feb 22, 18[F04D]
2018/0045,060 BLADE AND GAS TURBINE INCLUDING THE SAMEMar 11, 16Feb 15, 18[F02C, F01D]
2018/0045,065 SEAL DEVICE FOR TURBINE, TURBINE, AND THIN PLATE FOR SEAL DEVICEFeb 09, 16Feb 15, 18[F02C, F01D, F16J]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919365 Side milling cutter for slot cuttingDec 18, 14Mar 20, 18[B23C]
9919392 Method for manufacturing turbine rotor bladeDec 18, 13Mar 20, 18[B23P, B21K, F01D]
9920639 Gas turbine combustion chamber having a flow sleeve with a plurality of integrated segmentsNov 14, 13Mar 20, 18[F23R, F01D]
9915428 Cylinder of combustor, method of manufacturing of cylinder of combustor, and pressure vesselAug 20, 14Mar 13, 18[F23R, F01D]
9901871 System for chemically absorbing carbon dioxide in combustion exhaust gasFeb 27, 13Feb 27, 18[B01D]
9903208 Turbine blade machining method, machining tool, and turbine bladeFeb 12, 14Feb 27, 18[B24B, C23C, B23P, F01D]
9903276 Preheating device for gas turbine fuel, gas turbine plant provided therewith, and preheating method for gas turbine fuelMar 12, 14Feb 27, 18[F01K, F02C]
9903389 Axial-flow compressor and modification methodFeb 07, 12Feb 27, 18[F04D, F02C, F01D]
9903613 Solar heat collection systemMar 05, 14Feb 27, 18[F24J, F03G]
9895658 Air pollution control system and air pollution control methodJan 24, 14Feb 20, 18[B04B, F23J, F26B, C02F, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9433874 Spray drying apparatus for dehydrated filtrate from desulfurization waste water, and air pollution control systemWithdrawnApr 04, 16Sep 06, 16[C02F, B01D]
2016/0250,588 AIR POLLUTION CONTROL SYSTEM, AIR POLLUTION CONTROL METHOD, SPRAY DRYING DEVICE OF DEWATERING FILTRATION FLUID FROM DESULFURIZATION DISCHARGED WATER, AND METHOD THEREOFAbandonedMay 09, 16Sep 01, 16[F23J, C02F, B01D]
2016/0208,974 MULTISTAGE PRESSURE REDUCTION DEVICE AND BOILERAbandonedAug 14, 14Jul 21, 16[F16L, F23K]
2016/0169,023 Sealing Device, Rotating Machine, and Method for Manufacturing Sealing DeviceAbandonedDec 10, 15Jun 16, 16[F01D, F16J]
2016/0032,739 AXIAL FLOW COMPRESSOR AND GAS TURBINE EQUIPPED WITH AXIAL FLOW COMPRESSORAbandonedJul 30, 15Feb 04, 16[F02C, F01D]
2015/0298,055 FLUE GAS TREATMENT SYSTEM AND METHODAbandonedSep 12, 13Oct 22, 15[B01D]
2015/0300,262 POWER GENERATION SYSTEMAbandonedNov 26, 13Oct 22, 15[H01M, F02C]
2015/0283,601 PRECISION CASTING MOLD AND METHOD OF PRODUCING THE SAMEAbandonedOct 07, 13Oct 08, 15[B22C]
2015/0273,571 PRECISION CASTING MOLD AND METHOD OF PRODUCING THE SAMEAbandonedOct 07, 13Oct 01, 15[B22C]
2015/0266,085 PRECISION CASTING MOLD AND METHOD OF PRODUCING THE SAMEAbandonedOct 07, 13Sep 24, 15[B22C]
2015/0260,042 Axial Flow MachineAbandonedJul 11, 12Sep 17, 15[F01D]
2015/0260,098 POWER GENERATION PLANTAbandonedMay 29, 15Sep 17, 15[F02C]
2015/0224,569 PRECISION CASTING MOLD AND METHOD OF PRODUCING THE SAMEAbandonedOct 07, 13Aug 13, 15[B22C]
2015/0217,366 PRECISION CASTING MOLD AND METHOD OF PRODUCING THE SAMEAbandonedOct 07, 13Aug 06, 15[B22C]
2015/0171,458 FUEL CELL MODULE, FUEL CELL, MANUFACTURING METHOD OF FUEL CELL MODULE, AND METHOD FOR SUPPLYING OXIDANT TO FUEL CELL MODULEAbandonedDec 16, 14Jun 18, 15[H01M]
2015/0143,769 STEEL-FRAME BUILDING, PLANT, AND METHOD FOR ASSEMBLING STEEL-FRAME BUILDINGAbandonedOct 28, 14May 28, 15[E04B, E04C]
2015/0136,280 METHOD FOR SETTING AGING CONDITIONS AND METHOD FOR PRODUCING TURBINE VANESAbandonedAug 19, 13May 21, 15[C21D]
2015/0132,114 AXIAL TURBINEAbandonedNov 07, 14May 14, 15[F01D]
2015/0125,266 Steam Turbine EquipmentAbandonedNov 04, 14May 07, 15[F01K, F01D]
2015/0113,998 Gas Turbine Combustor and Gas Turbine Combustor Control MethodAbandonedOct 23, 14Apr 30, 15[F23N, F02C, F23R]

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