Niigata Power Systems Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 666
 
  
 
B63H MARINE PROPULSION OR STEERING 238
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 257
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 172
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 122
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182
 
  
 
F02N STARTING OF COMBUSTION ENGINES 132
 
  
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 128
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9441543 Gas turbine combustor including a premixing chamber having an inner diameter enlarging portionNov 20, 12Sep 13, 16[F23R, F02C]
8943834 Pre-mixing injector with bladeless swirlerNov 20, 12Feb 03, 15[F02C, F23R, F02G]
8556668 Marine propulsion deviceAug 20, 10Oct 15, 13[B63H]
7117826 Pilot oil ignition gas engine and method of operating pilot oil ignition gas engineFeb 06, 06Oct 10, 06[F02B]
7066131 Cylinder headFeb 13, 02Jun 27, 06[F02N]
7066164 Engine, engine exhaust temperature controlling apparatus, and controlling methodAug 29, 02Jun 27, 06[F02D]
7028645 Pilot oil ignition gas engine and method of operating pilot oil ignition gas engineAug 29, 02Apr 18, 06[F02B]
6990946 Starting system for pilot-ignition gas engineFeb 07, 02Jan 31, 06[F02B]
6814032 Dual fuel engineAug 27, 03Nov 09, 04[F02B]
6325039 Combined engine and method for operating the sameMay 11, 99Dec 04, 01[F02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0180,653 PISTON AND ENGINEAbandonedAug 02, 10Jul 19, 12[F16J]

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