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 1713
 
 
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 796
 
 
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 6832
 
 
 
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 6142
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 51396
 
 
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 3442
 
 
 
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 3442
 
 
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 2251
 
 
 
F02D CONTROLLING COMBUSTION ENGINES 1954
 
 
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 1965

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0058,042 HYDRAULIC SYSTEM FOR WORK MACHINESSep 25, 15Mar 01, 18[E02F]
2018/0051,720 Hydraulic Fluid Energy Regeneration Apparatus of Work MachineSep 29, 15Feb 22, 18[E02F, F15B]
2018/0053,406 LOGGING SYSTEM FOR A MINING MACHINE, AN ON-BOARD TERMINAL DEVICE, AND A LOGGING METHOD FOR A MINING MACHINESep 08, 15Feb 22, 18[E21C, G08G, G06Q, G05D]
2018/0038,075 Construction MachineMar 08, 16Feb 08, 18[F01N, E02F, F02M, F02D, F15B]
2018/0030,690 Hybrid Construction MachineFeb 22, 16Feb 01, 18[E02F]
2017/0291,501 Hybrid Construction MachineryOct 13, 15Oct 12, 17[B60L, E02F, B60W]
2017/0284,062 Hybrid Construction MachineFeb 29, 16Oct 05, 17[B60K, E02F, B60W]
2017/0276,530 DISPLAY APPARATUS FOR WORK MACHINEMar 05, 15Sep 28, 17[G01F, E02F]
2017/0278,395 ONBOARD TERMINAL DEVICE AND TRAFFIC CONTROL SYSTEMJan 12, 16Sep 28, 17[G08G]
2017/0268,540 HYDRAULIC CONTROL SYSTEM FOR WORK MACHINEAug 28, 15Sep 21, 17[E02F, F15B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9915249 Hydraulic rotating equipment, and working machine provided with this hydraulic rotating equipmentDec 16, 14Mar 13, 18[F04B]
9903094 Work machine driving deviceNov 07, 14Feb 27, 18[E02F, F15B]
9903454 Traveling axle deviceMar 03, 16Feb 27, 18[F16H, B60K, F16D]
9896822 Hybrid construction machineJan 19, 15Feb 20, 18[B60L, B60K, E02F, H01M]
9898011 Driving assistance system and program for driving according to operations managementSep 30, 14Feb 20, 18[H04L, G08G, G01C, H04W, G06K, G05D]
9890518 Hydraulic drive system for construction machineOct 15, 13Feb 13, 18[E02F, F15B]
9879405 Hydraulic driving systemMar 18, 15Jan 30, 18[E02F, F15B]
9863123 Construction machineJan 06, 15Jan 09, 18[E02F, F15B]
9863124 Construction machineryMay 20, 14Jan 09, 18[B60K, E02F, B60W, F15B]
9845051 Display device for self-propelled industrial machineApr 25, 13Dec 19, 17[B60R, H04N, E02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0200,252 SURROUNDINGS MONITORING DEVICE FOR WORK MACHINEAbandonedJan 05, 15Jul 14, 16[B60R, B60Q, B60T]
2016/0202,698 WORK VEHICLE CONTROL SYSTEMAbandonedNov 13, 14Jul 14, 16[G05D]
2016/0177,978 THROTTLE VALVEAbandonedDec 16, 15Jun 23, 16[F15B]
2016/0024,758 DEVICE FOR MONITORING AROUND WORKING MACHINEAbandonedAug 26, 13Jan 28, 16[H04N, G06T, E02F, G06K]
2015/0259,878 Construction MachineAbandonedMar 16, 15Sep 17, 15[E02F]
2015/0259,888 Construction MachineAbandonedOct 18, 13Sep 17, 15[E02F]
2015/0262,091 TRAVEL MANAGEMENT DEVICE OF TRANSPORT VEHICLEAbandonedSep 21, 12Sep 17, 15[H04L, G06T, G06Q]
2015/0211,207 Construction MachineAbandonedJan 20, 15Jul 30, 15[E02F]
2015/0204,351 Cooling Fan Mounting Structure for Construction MachineAbandonedAug 09, 13Jul 23, 15[F04D, F01P]
2015/0161,969 INDUSTRIAL VEHICLE MANAGEMENT SYSTEMAbandonedMay 01, 13Jun 11, 15[G06T, G09G]
2015/0138,356 DISPLAY DEVICE FOR SELF-PROPELLED INDUSTRIAL MACHINEAbandonedJun 05, 13May 21, 15[B60R, H04N]
2015/0116,495 DISPLAY DEVICE FOR SELF-PROPELLED INDUSTRIAL MACHINEAbandonedMay 30, 13Apr 30, 15[B60R, H04N, E02F]
2015/0112,537 NAVIGATION SYSTEM FOR AUTONOMOUS DUMP TRUCKSAbandonedOct 21, 14Apr 23, 15[G01C]
2015/0091,782 Display Device for VehicleAbandonedSep 29, 14Apr 02, 15[G09G, G06F]
2015/0016,761 BEARING DEVICE FOR CONSTRUCTION MACHINEAbandonedOct 18, 12Jan 15, 15[F16C]
2015/0009,329 DEVICE FOR MONITORING SURROUNDINGS OF MACHINERYAbandonedOct 01, 12Jan 08, 15[B60R, H04N]
2014/0365,101 Industrial MachineAbandonedOct 05, 12Dec 11, 14[E02F, F02M]
2014/0354,813 Surroundings Monitoring Device for Work MachineAbandonedAug 21, 12Dec 04, 14[B60R, H04N, G06T]
2014/0354,816 Peripheral Monitoring Device for Transportation VehicleAbandonedFeb 05, 13Dec 04, 14[B60R, H04N]
2014/0312,011 MONITORING METHOD FOR PLASMA ARC WELDING AND PLASMA ARC WELDING DEVICEAbandonedNov 16, 12Oct 23, 14[B23K]

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