NTN CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 7381
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 3353
 
  
 
F16H GEARING17719
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 8434
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 7445
 
  
 
B60B VEHICLE WHEELS 712
 
  
 
C10M LUBRICATING COMPOSITIONS 6311
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 549
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 5230
 
  
 
C22C ALLOYS 5227

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0072,289 ELECTRIC BRAKE SYSTEM AND ELECTRIC BRAKE DEVICENov 20, 17Mar 15, 18[B60T, F16D]
2018/0056,394 MACHINE COMPONENT AND PRODUCTION METHOD THEREFORMar 15, 16Mar 01, 18[F16C, B22F, C22C]
2018/0051,747 SINTERED BEARING AND METHOD OF MANUFACTURING SAMEMar 15, 16Feb 22, 18[F16C, B22F]
2018/0043,431 MAGNETIC CORE POWDER, DUST CORE, AND METHOD FOR PRODUCING MAGNETIC CORE POWDERFeb 24, 16Feb 15, 18[B22F, H01F]
2018/0045,251 BOOT ATTACHMENT METHOD AND CONSTANT VELOCITY UNIVERSAL JOINTMar 02, 16Feb 15, 18[B29C, F16D]
2018/0015,815 TWO-MOTOR VEHICLE DRIVE DEVICEJan 21, 16Jan 18, 18[H02K, B60K, F16H]
2018/0017,115 ELECTRIC LINEAR MOTION ACTUATOR AND ELECTROMECHANICAL BRAKE SYSTEMJan 08, 16Jan 18, 18[F16D]
2018/0009,426 ELECTRIC BRAKE DEVICESep 21, 17Jan 11, 18[B60T, F16D]
2017/0368,873 Wheel Bearing DeviceSep 11, 17Dec 28, 17[B60B]
2017/0356,506 DRIVING FORCE TRANSMISSION MECHANISMNov 12, 15Dec 14, 17[F16D, B25J, F16H]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919730 Steering device and vehicle including the sameJul 15, 14Mar 20, 18[B60K, B62D]
9920791 Rolling bearing with rotation sensorNov 04, 14Mar 20, 18[F16C, G01P, C08K]
9914349 In-wheel motor drive deviceDec 19, 14Mar 13, 18[H02K, B60K, F16C, F16H]
9914438 Vehicle braking force controllerMar 21, 16Mar 13, 18[B60T]
9915292 Tripod type constant-velocity jointApr 25, 14Mar 13, 18[F16D]
9915308 Electric brake deviceAug 29, 14Mar 13, 18[B60T, F16D]
9915325 Chain transmission deviceSep 11, 14Mar 13, 18[F16H]
9909652 Chain transmission device for driving camshaftsFeb 03, 15Mar 06, 18[F01L, F16H]
9912056 Multiband antenna and manufacturing method thereofMar 14, 13Mar 06, 18[B29C, H01Q, B29L]
9906473 Bearing performance automatic calculation service deviceApr 21, 14Feb 27, 18[H04L, G06Q]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0261,079 POWER TRANSMISSION ROLLER ASSEMBLYAbandonedSep 15, 15Sep 14, 17[F16H]
2017/0040,094 POWDER MAGNETIC CORE AND METHOD FOR PRODUCING SAMEAbandonedNov 27, 14Feb 09, 17[H02K, H01F]
2016/0356,267 STATE DETECTION DEVICE FOR WIND POWER GENERATION APPARATUSAbandonedJan 13, 15Dec 08, 16[H02K, G01N, F03D]
2016/0333,937 ROLLER BEARING DEVICEAbandonedJan 16, 15Nov 17, 16[F16C]
2016/0290,450 V-BELT TYPE INFINITELY VARIABLE TRANSMISSIONAbandonedNov 20, 14Oct 06, 16[F16H]
2016/0243,943 ANTILOCK BRAKE CONTROL DEVICEAbandonedMay 03, 16Aug 25, 16[B60T, B60L]
2016/0187,226 BEARING DEVICE VIBRATION ANALYSIS METHOD, BEARING DEVICE VIBRATION ANALYZER, AND ROLLING BEARING CONDITION MONITORING SYSTEMAbandonedJul 01, 14Jun 30, 16[G01M]
2016/0178,007 BALL BEARING RETAINERAbandonedFeb 25, 16Jun 23, 16[F16C]
2016/0167,505 IN-WHEEL MOTOR DRIVE DEVICEAbandonedJun 30, 14Jun 16, 16[B60K, F16C]
2016/0123,840 MONITORING SYSTEM AND DIAGNOSTIC DEVICE AND MONITORING TERMINAL THEREOFAbandonedMay 09, 14May 05, 16[H04L, G01M]
2016/0108,959 TAPERED ROLLER BEARINGAbandonedMay 20, 14Apr 21, 16[F16C]
2016/0076,589 CAGE FOR ROLLING BEARINGAbandonedApr 21, 14Mar 17, 16[F16C]
2016/0033,303 MAGNETIC ENCODER AND PRODUCTION METHOD THEREFORAbandonedOct 07, 15Feb 04, 16[G01P, G01D]
9243305 Method for producing a bearing ringWithdrawnJan 12, 12Jan 26, 16[F16C, C21D, C22C]
2016/0017,926 BEARING DEVICE WITH SEALING DEVICEAbandonedFeb 21, 14Jan 21, 16[F16C]
2016/0012,954 ELECTRIC CIRCUIT-USE CORE AND DEVICE USING THE SAMEAbandonedSep 22, 15Jan 14, 16[H02J, H02M, B22F, H01F, B60L, C22C]
2016/0001,597 Wheel Bearing ApparatusAbandonedJul 07, 15Jan 07, 16[B60B, F16C]
2015/0367,720 ELECTRIC AUTOMOBILE DRIVE UNITAbandonedDec 13, 13Dec 24, 15[B60K]
2015/0371,745 MAGNETIC CORE POWDER, POWDER MAGNETIC CORE, AND METHOD FOR PRODUCING MAGNETIC CORE POWDER AND POWDER MAGNETIC COREAbandonedFeb 21, 14Dec 24, 15[H01F]
2015/0330,454 ROLLING BEARINGAbandonedJul 23, 15Nov 19, 15[F16C]

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