KOKUSAN DENKI CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 1624
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 1459
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 1073
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 1077
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 6101
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 550
 
  
 
F02N STARTING OF COMBUSTION ENGINES 429
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 4116
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR364
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 398

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9739250 Internal combustion engine ignition deviceApr 01, 14Aug 22, 17[F02N, F02P, H01F]
9726174 Electric pumpJul 26, 13Aug 08, 17[H02K, B60T, F04C]
9328712 Control device for internal combustion engineSep 14, 12May 03, 16[F02P, F02D]
8810052 Control device for rotary electrical machineNov 10, 10Aug 19, 14[F02N, H02P, G05B, B60L, H02H]
8779644 Rotating electrical machine and method for manufacturing a stator thereofFeb 16, 11Jul 15, 14[H02K]
8779701 Control apparatus for permanent magnet motorFeb 17, 11Jul 15, 14[H02P]
8736233 Power source deviceAug 24, 12May 27, 14[H02P]
8656882 Engine ignition control deviceJan 27, 10Feb 25, 14[F02N, F02P]
8410735 Torque ripple suppression control device for permanent magnet motor and electric power steering systemJan 19, 11Apr 02, 13[H02P]
8056536 Ignition device for internal combustion engineMar 17, 08Nov 15, 11[F02P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0054,070 ELECTRIC WORKING VEHICLEAbandonedAug 28, 12Feb 28, 13[B60L]
8115289 Onboard electric power control deviceExpiredJun 22, 09Feb 14, 12[H01L]
2011/0040,434 MOTORCYCLEAbandonedAug 03, 10Feb 17, 11[B60W]
7808755 Electronic control unitExpiredNov 27, 07Oct 05, 10[H02H]
7709987 Magneto rotorExpiredOct 19, 07May 04, 10[H02K]
2010/0052,460 ELECTRICAL ROTATING MACHINEAbandonedAug 17, 09Mar 04, 10[H02K]
2010/0026,246 BATTERY CHARGING APPARATUSAbandonedJul 23, 09Feb 04, 10[H02J]
7638917 Electrical rotating machineExpiredFeb 27, 08Dec 29, 09[H02K]
7558088 Power supply deviceExpiredApr 04, 07Jul 07, 09[H02M]
2009/0057,006 ELECTRONIC UNIT AND PRODUCTION METHOD OF THE SAMEAbandonedSep 04, 08Mar 05, 09[H01L, H05K]
2009/0020,092 ENGINE STARTING DEVICEAbandonedJul 17, 08Jan 22, 09[F02N]
7462082 Control device for power trim unit for outboard engineExpiredApr 22, 08Dec 09, 08[B63H]
2008/0254,690 EMERGENCY ENGINE SHUTOFF APPARATUS AND ACCIDENT DETERMINING APPARATUS FOR SHIPAbandonedApr 11, 08Oct 16, 08[B63H]
7423357 Electric rotating machineExpiredSep 05, 06Sep 09, 08[H02K]
7401595 Fuel injection device for internal combustion engineExpiredDec 19, 06Jul 22, 08[F02M]
7400111 Battery and electric unit assembly for vehicleExpiredJun 08, 06Jul 15, 08[H01M]
7372677 Control apparatus for internal combustion engine-driven vehicle having power supply unitExpiredJul 06, 05May 13, 08[H02H]
7363884 Engine control device with reverse control functionExpiredAug 10, 06Apr 29, 08[F01L]
7301247 Power supply device incorporated in vehicle driven by internal combustion engineExpiredJul 31, 03Nov 27, 07[H02J]
2007/0267,932 Stator for inner rotor type rotating electric machineAbandonedMay 08, 07Nov 22, 07[H02K]

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