NOK CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS1822
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 4184
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 37117
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 3666
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2690
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 2545
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM24133
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 1620
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 1477
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION1346

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0045,314 SEAL RINGMar 11, 16Feb 15, 18[F16J]
2018/0030,287 COATING AGENT FOR OIL SEALFeb 10, 16Feb 01, 18[C09D, F16J]
2018/0017,164 SEALING DEVICEFeb 26, 16Jan 18, 18[F16C, F16J]
2018/0010,692 SEAL RING AND SEALING STRUCTUREJun 18, 15Jan 11, 18[F16H, F16J]
2018/0003,300 GASKETJan 13, 16Jan 04, 18[F16J]
2018/0003,302 SEALING APPARATUSSep 19, 17Jan 04, 18[F16J]
2017/0326,759 DIE FOR MOLDING ROLLERNov 09, 15Nov 16, 17[B29C]
2017/0312,963 MOLDING METHOD AND MOLDING DIE FOR MOLDED ARTICLESep 17, 15Nov 02, 17[B29C, B29K, B29L]
2017/0314,681 SEALING DEVICENov 09, 15Nov 02, 17[F16J]
2017/0306,904 INTAKE NOISE REDUCTION DEVICEOct 02, 15Oct 26, 17[F02M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920187 HNBR composition and HNBR crosslinked bodyMar 20, 15Mar 20, 18[F16H, C08L, C08K, F16J]
9920837 Sealing deviceNov 11, 14Mar 20, 18[F04B, F16J]
9895835 Molding apparatusMar 20, 14Feb 20, 18[B29C, H01M, B29K, B29L]
9885418 Metal gasketJul 15, 15Feb 06, 18[F16J]
9863464 Dust coverOct 19, 15Jan 09, 18[F16C, F16J]
9856984 Sealing deviceJun 02, 15Jan 02, 18[F16J]
9850940 Dust cover for ball jointFeb 05, 15Dec 26, 17[F16C, F16J]
9851009 GasketJun 16, 15Dec 26, 17[F16J]
9841103 Metal gasketFeb 22, 16Dec 12, 17[F16J]
9828497 Coating agent compositionSep 20, 13Nov 28, 17[C09D, C08L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0234,434 DUST SEALAbandonedMay 03, 17Aug 17, 17[B62D, F16J]
2017/0194,080 GROMMETAbandonedJul 10, 15Jul 06, 17[H01B]
2017/0159,701 DUST COVER FOR BALL JOINTAbandonedApr 20, 15Jun 08, 17[F16C, F16J]
2017/0082,200 Sliding Member and Process for Producing the SameAbandonedDec 06, 16Mar 23, 17[C08J, F16J, C08K]
2016/0273,654 GASKET AND SEALING STRUCTUREAbandonedOct 28, 14Sep 22, 16[F16L, F16J]
2016/0195,188 NITRILE RUBBER-METAL LAMINATED GASKET MATERIALAbandonedJun 11, 14Jul 07, 16[F02F, F16J, B32B]
2015/0362,074 SEALING DEVICEAbandonedFeb 19, 14Dec 17, 15[F16J]
2015/0353,720 FLUORORUBBER COMPOSITIONAbandonedAug 20, 15Dec 10, 15[C09K, C08L]
2015/0291,743 RESIN-RUBBER COMPOSITEAbandonedOct 29, 13Oct 15, 15[C08J]
2015/0260,290 SEALING DEVICEAbandonedSep 25, 13Sep 17, 15[F16J]
2015/0184,749 FLUORORESIN SEAL RINGAbandonedJul 18, 13Jul 02, 15[C08L, F16J, C08K]
2015/0175,774 NBR COMPOSITIONAbandonedJul 25, 13Jun 25, 15[C08K]
2015/0176,121 FLUORORESIN SEAL RINGAbandonedJul 18, 13Jun 25, 15[C23C, F16J]
2015/0176,639 DUST COVER FOR BALL JOINTAbandonedOct 15, 12Jun 25, 15[F16C, F16J]
2015/0123,351 BUFFER RINGAbandonedMar 26, 13May 07, 15[F15B, F16J]
2015/0115,543 Oil SealAbandonedSep 30, 14Apr 30, 15[F16J]
2015/0035,237 SEALING STRUCTUREAbandonedNov 22, 12Feb 05, 15[F02M, F16J]
2014/0346,106 METAL SUBSTRATE GASKET WITH FILTER FUNCTION AND MANUFACTURING METHOD THEREFORAbandonedOct 10, 12Nov 27, 14[B01D]
2014/0301,761 MULTILAYER METAL MEMBER FOR IMAGE FIXATIONAbandonedApr 02, 14Oct 09, 14[G03G]
2014/0284,885 DUST COVER FOR BALL JOINTAbandonedOct 15, 12Sep 25, 14[F16J]

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