HITACHI AUTOMOTIVE SYSTEMS STEERING, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B62D MOTOR VEHICLES; TRAILERS 4848
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 953
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 740
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 650
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 524
 
  
 
F16H GEARING595
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 321
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 268
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS297
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 285

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0207,560 POWER STEERING SYSTEMJul 29, 14Jul 21, 16[B62D, F16H]
2015/0078,944 VARIABLE DISPLACEMENT VANE PUMPSep 17, 14Mar 19, 15[F04C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919729 Power steering systemJul 29, 14Mar 20, 18[B62D, F16H]
9903366 Variable displacement vane pumpFeb 11, 15Feb 27, 18[F04C, F01C]
9873851 Grease composition for electric power steering device, and electric power steering deviceAug 29, 13Jan 23, 18[C10M, B62D]
9863417 Variable displacement vane pumpSep 17, 14Jan 09, 18[F04C, F01C]
9828991 Variable displacement vane pumpMar 17, 15Nov 28, 17[F04C, F01C]
9796409 Power steering device and control device for vehicle-mounted instrumentJul 30, 14Oct 24, 17[B62D]
9796414 Electric power steering device and control device of electric power steering deviceOct 05, 15Oct 24, 17[B62D]
9714657 Variable displacement vane pump and power steering systemFeb 19, 14Jul 25, 17[B62D, F04C, F03C]
9707994 Power steering deviceJan 20, 14Jul 18, 17[B62D, F16H]
9694847 Torque detection structure for power steering device, and power steering device using sameJan 20, 14Jul 04, 17[G01L, B62D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0177,949 PUMP APPARATUSAbandonedDec 14, 15Jun 23, 16[F04C]
2015/0252,802 VARIABLE DISPLACEMENT VANE PUMPAbandonedFeb 04, 15Sep 10, 15[F04C, F01C]
2012/0261,209 TORQUE SENSOR AND POWER STEERING SYSTEMAbandonedApr 11, 12Oct 18, 12[B62D, G06F]
2012/0199,411 VARIABLE DISPLACEMENT PUMPAbandonedNov 29, 11Aug 09, 12[B62D]
7447578 Steering control apparatus and method for automotive vehicleExpiredMar 31, 04Nov 04, 08[A01B]
6216813 Rack-pinion type power steering apparatusExpiredJun 10, 97Apr 17, 01[B62D]

Top Inventors for This Owner

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