Hitachi Construction Machinery Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02F DREDGING; SOIL-SHIFTING 4416
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 1675
 
  
 
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 1281
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 1226
 
  
 
B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT 1262
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 1162
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 11436
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 1035
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 769
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 755

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0217,331 MONITORING IMAGE DISPLAY DEVICE OF INDUSTRIAL MACHINEJan 20, 15Jul 28, 16[H04N, G06T, G06K, E02F]
2016/0006,947 SURROUNDINGS MONITORING DEVICE FOR SLEWING-TYPE WORK MACHINEFeb 07, 14Jan 07, 16[H04N]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9914441 Braking distance control deviceJul 02, 15Mar 13, 18[B60T, B60L]
9458840 Relief pressure control device for hydraulic work machineDec 07, 11Oct 04, 16[F04B, F15B, E02F]
9452679 Operation management systemApr 24, 13Sep 27, 16[B60K, H02J, B60W, H01B, B60L, B60M]
9409553 Control device for work vehicleJan 18, 13Aug 09, 16[B60T, F16D, G05G, E02F]
9399856 Hydraulic working machineMay 24, 12Jul 26, 16[B60K, B60W, F15B, F02D, E02F]
9394670 Construction machineFeb 02, 15Jul 19, 16[F15B, E02F]
9348327 Work machineJun 06, 12May 24, 16[G05B, G06F, B60P, E02F]
9332229 Surrounding area monitoring device for monitoring area around work machineJun 20, 11May 03, 16[H04N, E02F, G06K]
9315966 Arm for construction machine with upper ends of rear plate protruding upwardMay 16, 12Apr 19, 16[E02F]
9290180 Mining vehicleFeb 19, 13Mar 22, 16[B60W, G05D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0300,333 Hydraulic Rotary MachineAbandonedOct 11, 13Oct 22, 15[F04B, C22C]
2015/0203,034 SURVEILLANCE APPARATUS FOR TRANSPORTATION VEHICLEAbandonedMay 23, 13Jul 23, 15[H04N, B60R]
2015/0158,536 CRAWLER BELTAbandonedJul 08, 13Jun 11, 15[B62D]
2015/0139,768 CONSTRUCTION MACHINEAbandonedMay 21, 13May 21, 15[E02F]
2014/0375,814 Periphery Monitoring Device for Self-Propelled Industrial MachineAbandonedJan 10, 13Dec 25, 14[H04N, G09G, B60R]
2014/0330,490 Work VehicleAbandonedOct 05, 12Nov 06, 14[E02F]
2014/0293,051 DEVICE FOR DISPLAYING REARWARD FIELD OF VIEW OF HYDRAULIC SHOVELAbandonedApr 27, 12Oct 02, 14[G06T, B60R, E02F]
2014/0251,146 CONSTRUCTION MACHINEAbandonedOct 23, 12Sep 11, 14[F01N]
2014/0239,090 INJECTOR, FUEL INJECTION SYSTEM, AND CONSTRUCTION MACHINE PROVIDED WITH SAMEAbandonedJul 22, 11Aug 28, 14[F02M]
2014/0147,238 CONSTRUCTION MACHINEAbandonedOct 04, 11May 29, 14[E02F]
2014/0137,548 CONSTRUCTION MACHINERYAbandonedJun 01, 12May 22, 14[F15B]
2014/0033,699 TRAVEL CONTROL DEVICE FOR WORK VEHICLE AND WORK VEHICLEAbandonedOct 16, 13Feb 06, 14[B66F, F16H]
2014/0017,053 CONSTRUCTION MACHINEAbandonedMay 29, 12Jan 16, 14[E02F]
2013/0312,616 EXHAUST PURIFICATION SYSTEM FOR WORKING MACHINEAbandonedFeb 27, 12Nov 28, 13[F01N]
8506006 Truck frame for construction machineExpiredFeb 24, 10Aug 13, 13[B62D]
2013/0175,428 Optical Touch Panel Device for Construction MachineAbandonedSep 02, 11Jul 11, 13[G06F]
8479898 Work vehicle control deviceExpiredOct 28, 10Jul 09, 13[B60T, F16D]
8468818 HST cooling circuitExpiredMar 12, 08Jun 25, 13[F16D]
2013/0152,574 Working Vehicle Travel Control ApparatusAbandonedJun 24, 11Jun 20, 13[E02F]
2013/0078,071 ELECTRIC CONSTRUCTION MACHINEAbandonedJun 06, 11Mar 28, 13[E02F]

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