THK CO., LTD.

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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 1537
 
  
 
F16H GEARING7242
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3770
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 1572
 
  
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 1339
 
  
 
B25J MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 1048
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 848
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 634
 
  
 
B43L ARTICLES FOR WRITING OR DRAWING UPON; ACCESSORIES FOR WRITING OR DRAWING 63
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 685

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0045,280 SPEED REDUCTION OR SPEED INCREASING APPARATUSMar 02, 16Feb 15, 18[F16H]
2017/0274,525 ROTATIONAL DRIVING MECHANISM IN A ROBOTSep 18, 15Sep 28, 17[B25J]
2017/0146,054 BALL JOINTMay 15, 15May 25, 17[F16C]
2017/0146,059 MOTION GUIDE APPARATUS AND METHOD FOR MANUFACTURING THE SAMEMar 30, 15May 25, 17[F16C]
2017/0122,370 MOTION APPARATUSApr 21, 15May 04, 17[F16C]
2017/0016,483 MOTION GUIDE DEVICEMar 10, 15Jan 19, 17[F16C]
2017/0008,657 PACKING BODYFeb 26, 15Jan 12, 17[B65D]
2016/0312,864 HOLLOW TRACK BODY AND ACTUATORDec 04, 14Oct 27, 16[F16C, F16H]
2016/0193,764 TAPE-SHAPED MOLDING AND BELT FOR BALL CHAINMar 17, 16Jul 07, 16[B29C, F16C]
2016/0094,169 STEPPING-MOTOR CONTROL DEVICE AND CONTROL METHODJun 04, 14Mar 31, 16[H02P]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D813283 Robot handDec 16, 15Mar 20, 18[1599]
9906113 Linear actuatorMay 02, 14Feb 27, 18[H02K]
9863470 Motion guide apparatus and method for manufacturing the sameMar 30, 15Jan 09, 18[F16C]
9863478 Motion guide deviceMar 10, 15Jan 09, 18[F16C]
D807164 Ball jointJan 24, 17Jan 09, 18[0809]
9859827 Stepping-motor control device and control methodJun 04, 14Jan 02, 18[H02P]
9844884 Mechanical hand with movable gripping membersFeb 26, 14Dec 19, 17[B25J, B66C]
9841089 ActuatorMay 26, 14Dec 12, 17[F16C, F16H]
9833908 Hand mechanismDec 08, 14Dec 05, 17[B25J]
9797447 Bearing for vertical axis windmill and vertical axis wind power generatorNov 28, 12Oct 24, 17[F16C, F03D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8439338 Rotary table device provided with cooling structure and rotary bearing provided with cooling structureExpiredFeb 16, 09May 14, 13[B23Q]
2012/0200,178 LINEAR MOTOR ACTUATORAbandonedSep 08, 10Aug 09, 12[H02K]
2012/0073,396 MOTION GUIDE DEVICE AND SCREW DEVICEAbandonedMay 21, 11Mar 29, 12[F16C, F16H]
2011/0135,226 LINEAR MOTION GUIDANCE APPARATUSAbandonedJul 11, 08Jun 09, 11[F16C]
2010/0314,006 STEEL FOR INDUCTION HARDENING WITH EXCELLENT COLD WORKABILITY, ROLLING MEMBER MADE OF THE SAME, AND MOTION GUIDE DEVICE USING ROLLING MEMBERAbandonedNov 25, 08Dec 16, 10[C22C]
2010/0242,651 ROLLING-ELEMENT SCREW DEVICEAbandonedMar 25, 10Sep 30, 10[F16H]
2010/0158,420 METHOD OF MANUFACTURING MOTION GUIDE DEVICE AND MOTION GUIDE DEVICE MANUFACTURED BY THE METHODAbandonedJul 25, 06Jun 24, 10[B24B, B24C, F16C]
2010/0101,343 SPINDLE DRIVING MECHANISM FOR MACHINE TOOLAbandonedMar 12, 08Apr 29, 10[B23Q, H02K, F16H]
2010/0101,347 ROLLER SCREW AND METHOD OF MANUFACTURING THE SAMEAbandonedJun 16, 06Apr 29, 10[F16H]
2010/0095,793 STEERING DEVICE USING BALL SCREWAbandonedDec 03, 07Apr 22, 10[F16H]
2009/0304,312 MOTION GUIDE DEVICE AND ATTACHMENT FOR MOTION GUIDE DEVICEAbandonedDec 25, 06Dec 10, 09[F16C, B21D]
2009/0260,468 STEERING DEVICE AND MOVEMENT CONVERTING DEVICE USED THEREFORAbandonedAug 31, 06Oct 22, 09[F16H]
2009/0151,493 ROLLING-ELEMENT SCREW DEVICE AND METHOD OF ASSEMBLING THE SAMEAbandonedAug 22, 06Jun 18, 09[B23P, F16H]
2009/0146,507 Linear Motor ActuatorAbandonedMar 28, 06Jun 11, 09[H02K]
2009/0100,949 MOTION GUIDE APPARATUSAbandonedJul 25, 06Apr 23, 09[F16C, F16H]
2009/0095,099 SPEED CHANGE MECHANISM AND ROTARY ACTUATORAbandonedApr 26, 06Apr 16, 09[F15B, F16H]
2009/0064,811 BALL SCREW DEVICEAbandonedOct 16, 06Mar 12, 09[F16C, F16H]
2009/0060,645 FIXING STRUCTURE OF TRACK RAIL IN GUIDING APPARATUSAbandonedMar 14, 06Mar 05, 09[B23P, F16B]
2009/0049,938 Electric ActuatorAbandonedMar 30, 06Feb 26, 09[F16H]
2009/0047,063 BALL JOINTAbandonedFeb 22, 06Feb 19, 09[F16C]

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