NHK SPRING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 20836
 
  
 
B60N VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR 7619
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION5320
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 45114
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 4419
 
  
 
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 3816
 
  
 
C22C ALLOYS 3240
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 25173
 
  
 
A47C CHAIRS 2429
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 2477

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0071,812 DEVICE FOR MANUFACTURING COIL SPRING AND METHOD FOR MANUFACTURING COIL SPRINGNov 20, 17Mar 15, 18[B21F]
2018/0045,263 LOWER-SIDE SPRING-RECEIVING MEMBERFeb 04, 16Feb 15, 18[B60G, F16F]
2018/0038,437 LOWER-SIDE SPRING-RECEIVING MEMBERFeb 04, 16Feb 08, 18[B60G, F16F]
2017/0312,988 APPARATUS AND METHOD FOR MANUFACTURING STABILIZERSep 07, 15Nov 02, 17[B29C, B60G, B29L]
2017/0174,030 VEHICLE SUSPENSION MEMBERFeb 28, 17Jun 22, 17[B60G, F16F]
2017/0152,907 COILED SPRING ASSEMBLYJun 19, 15Jun 01, 17[F16F]
2016/0351,215 WIRING THIN PLATE WITH A WIRING PART AND A PROTRUSION HAVING THE SAME HEIGHT, FLEXURE AS THE WIRING THIN PLATE AND METHOD OF WELDING OF THE WIRING THIN PLATEMay 31, 16Dec 01, 16[G11B]
2016/0352,200 ROTOR AND METHOD FOR MANUFACTURING ROTORFeb 04, 15Dec 01, 16[H02K, B23K]
2016/0208,846 OUTER CASING FOR CONTROL CABLE, AND CONTROL CABLEAug 08, 14Jul 21, 16[F16C]
2016/0160,306 COIL SPRING, AND METHOD FOR MANUFACTURING SAMEJul 08, 14Jun 09, 16[C23C, C21D, C22C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920399 Titanium alloy member and production method thereforApr 27, 12Mar 20, 18[C23C, B22F, C22F, A61L, C22C]
9920403 Magnesium alloy member and production method thereforMar 29, 13Mar 20, 18[B22F, C22F, B22D, B21C, C21D, C22C]
9905252 Head suspension having actuator in which piezoelectric element is bonded with bonding tape, actuator and method of attaching piezoelectric element with bonding tapeJun 17, 14Feb 27, 18[G11B]
9905496 Wiring circuit board and method of manufacturing the sameDec 02, 16Feb 27, 18[H01L]
9869378 Load application deviceFeb 06, 14Jan 16, 18[F01L, F16H]
9865285 Wiring thin plate with a wiring part and a protrusion having the same height, flexure as the wiring thin plate and method of welding of the wiring thin plateMay 31, 16Jan 09, 18[B23K, G11B]
9844789 Method of forming lubricative plated layer on viscous liquid feed nozzle and viscous liquid feed nozzleJan 14, 14Dec 19, 17[C23C, B05B]
9841457 Pseudo flexure for disk drive and method of testing electronic circuit for disk driveNov 01, 16Dec 12, 17[G01R]
9834060 Bush for stabilizerApr 11, 14Dec 05, 17[B60G, F16C, F16F]
9835217 Coil spring modeling apparatus and method utilizing a torsion detection to control an actuator unitFeb 12, 15Dec 05, 17[G01H, G05B, G01N, F16F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0021,691 STEEL FOR VEHICLE SUSPENSION SPRING PART, VEHICLE SUSPENSION SPRING PART, AND METHOD OF FABRICATING THE SAMEAbandonedSep 26, 16Jan 26, 17[B60G, C21D, C22C]
2015/0209,166 INDWELLING MEMBER IN A LIVING BODY, STENT, EMBOLIZATION MEMBER, VASODILATOR KIT AND ANEURYSM EMBOLIZATION KITAbandonedApr 13, 15Jul 30, 15[A61F]
2015/0198,387 PIPE EMBEDDED STRUCTURE AND METHOD OF MANUFACTURING THE SAMEAbandonedJul 01, 13Jul 16, 15[C23C, F28F]
2015/0167,864 PIPE BURIED STRUCTURE AND METHOD OF MANUFACTURING THE SAMEAbandonedJul 01, 13Jun 18, 15[F16L, B05D]
2015/0139,722 SOCKET ATTACHMENT STRUCTURE AND SPRING MEMBERAbandonedMar 04, 13May 21, 15[H01R]
2015/0115,042 CONTACTLESS INFORMATION MEDIUM, BOBBIN MEMBER FOR CONTACTLESS INFORMATION MEDIUM, BODY MEMBER FOR CONTACTLESS INFORMATION MEDIUM, AND METHOD FOR PRODUCING CONTACTLESS INFORMATION MEDIUMAbandonedDec 05, 12Apr 30, 15[H01L, G06K]
2015/0088,172 VASCULAR ANASTOMOSIS DEVICE AND VASCULAR ANASTOMOSIS METHODAbandonedJan 23, 13Mar 26, 15[A61B]
8983650 Work hanging apparatus and work hanging method for hanging work on hanger through movement of work under correctionWithdrawnMar 07, 13Mar 17, 15[G06F, B25J]
2015/0069,128 OPTICAL READING DEVICE, OPTICAL READING METHOD, AND PROGRAMAbandonedMar 11, 13Mar 12, 15[G06K, G03H]
2015/0042,199 STATOR CORE FOR MOTOR AND MANUFACTURING METHOD THEREFORAbandonedFeb 07, 13Feb 12, 15[H02K]
2015/0001,985 STATOR CORE FOR MOTORAbandonedFeb 14, 13Jan 01, 15[H02K]
8905485 Seat back frameWithdrawnOct 12, 12Dec 09, 14[A47C, B60N]
2014/0268,427 HEAD GIMBAL ASSEMBLY WITH DIAMOND-LIKE COATING (DLC) AT TONGUE/DIMPLE INTERFACE TO REDUCE FRICTION AND FRETTING WEARAbandonedFeb 20, 14Sep 18, 14[G11B]
2014/0226,284 HEAT DISSIPATION STRUCTURE, POWER MODULE, METHOD OF MANUFACTURING HEAT DISSIPATION STRUCTURE, AND METHOD OF MANUFACTURING POWER MODULEAbandonedSep 20, 12Aug 14, 14[B23P, F28D, H05K]
2014/0160,540 IDENTIFICATION MEDIUMAbandonedFeb 21, 12Jun 12, 14[G03H]
2014/0134,448 LAMINATED BODY AND METHOD OF MANUFACTURING LAMINATED BODYAbandonedJul 11, 12May 15, 14[C23C, B05D, B32B]
8720034 Head assembly attaching method, cylindrical jig, and caulking ballWithdrawnJun 30, 11May 13, 14[B23P, G11B]
2014/0069,700 LAMINATION, CONDUCTIVE MATERIAL, AND METHOD FOR MANUFACTURING LAMINATIONAbandonedMar 22, 12Mar 13, 14[H01B, H05K]
2014/0060,709 STEEL FOR VEHICLE SUSPENSION SPRING PART, VEHICLE SUSPENSION SPRING PART, AND METHOD OF FABRICATING THE SAMEAbandonedNov 11, 13Mar 06, 14[B60G]
2014/0047,672 HINGE DEVICEAbandonedFeb 13, 12Feb 20, 14[G06F]

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