Assignee
KOMATSU MFG CO LTD
JP·3,289 granted patents·456 pending applications·54,338 citations·filing 1973–2025
Top patents by PatentIndex Score
3,745 records- 0198US9834905B2Work machine control device, work machine, and work machine control methodKOMATSU MFG CO LTD·Filed 2015·Granted Dec 5, 2017·21 cites·9 claims
- 0298US8851224B2Work vehicleKOMATSU MFG CO LTD·Filed 2012·Granted Oct 7, 2014·25 cites·8 claims
- 0398US8015802B2Exhaust gas purification device for internal combustion engineKOMATSU MFG CO LTD·Filed 2005·Granted Sep 13, 2011·48 cites·11 claims
- 0498US5682854AVariable compression ratio engineKOMATSU MFG CO LTD·Filed 1995·Granted Nov 4, 1997·151 cites·13 claims
- 0598US4653316AApparatus mounted on vehicles for detecting road surface conditionsKOMATSU MFG CO LTD·Filed 1986·Granted Mar 31, 1987·395 cites·11 claims
- 0697US7228505B2Display device for working machineKOMATSU MFG CO LTD·Filed 2001·Granted Jun 5, 2007·857 cites·12 claims
- 0797US6539294B1Vehicle guidance system for avoiding obstacles stored in memoryKOMATSU MFG CO LTD·Filed 1999·Granted Mar 25, 2003·161 cites·33 claims
- 0897US6481388B1Cooling fan drive control deviceKOMATSU MFG CO LTD·Filed 2000·Granted Nov 19, 2002·90 cites·32 claims
- 0997US6460332B1Pressure oil energy recover/regenation apparatusKOMATSU MFG CO LTD·Filed 1999·Granted Oct 8, 2002·131 cites·7 claims
- 1097US6435166B1Exhaust gas recirculation device and control method thereofKOMATSU MFG CO LTD·Filed 2000·Granted Aug 20, 2002·119 cites·11 claims
- 1197US6308516B1Control device for hydraulically-operated equipmentKOMATSU MFG CO LTD·Filed 1999·Granted Oct 30, 2001·115 cites·24 claims
- 1297US5142543AMethod and system for controlling narrow-band oscillation excimer laserKOMATSU MFG CO LTD·Filed 1989·Granted Aug 25, 1992·130 cites·17 claims
- 1397US4709594APlanetary gear type transmission systemKOMATSU MFG CO LTD·Filed 1986·Granted Dec 1, 1987·374 cites·1 claims
- 1496US11384515B2Image display system for work machine, remote operation system for work machine, and work machineKOMATSU MFG CO LTD·Filed 2020·Granted Jul 12, 2022·6 cites·12 claims
- 1596US9458598B2Work vehicleKOMATSU MFG CO LTD·Filed 2014·Granted Oct 4, 2016·28 cites·13 claims
- 1696US9316136B2Engine unit and work vehicleKOMATSU MFG CO LTD·Filed 2013·Granted Apr 19, 2016·13 cites·14 claims
- 1796US7938478B2Operator'S cab supporting apparatus of work machineKOMATSU MFG CO LTD·Filed 2007·Granted May 10, 2011·60 cites·3 claims
- 1896US6922990B2Device arrangement structure for hybrid construction equipmentKOMATSU MFG CO LTD·Filed 2003·Granted Aug 2, 2005·84 cites·4 claims
- 1996US6844085B2Copper based sintered contact material and double-layered sintered contact memberKOMATSU MFG CO LTD·Filed 2002·Granted Jan 18, 2005·48 cites·15 claims
- 2096US6820356B2Hybrid powered construction equipmentKOMATSU MFG CO LTD·Filed 2003·Granted Nov 23, 2004·96 cites·4 claims
- 2196US6725581B2Construction equipmentKOMATSU MFG CO LTD·Filed 2003·Granted Apr 27, 2004·132 cites·4 claims
- 2296US6708787B2Hybrid construction equipmentKOMATSU MFG CO LTD·Filed 2002·Granted Mar 23, 2004·127 cites·2 claims
- 2396US6587812B1Method and system for monitoring industrial machineKOMATSU MFG CO LTD·Filed 1999·Granted Jul 1, 2003·99 cites·10 claims
- 2496US6347521B1Temperature control device and method for manufacturing the sameKOMATSU MFG CO LTD·Filed 2000·Granted Feb 19, 2002·270 cites·17 claims
- 2596US6246932B1Vehicle monitor for controlling movements of a plurality of vehiclesKOMATSU MFG CO LTD·Filed 1998·Granted Jun 12, 2001·235 cites·19 claims
- 2696US6226572B1Vehicle monitorKOMATSU MFG CO LTD·Filed 1998·Granted May 1, 2001·116 cites·13 claims
- 2796US5890468ADifferential driving supercharger and method for controlling the sameKOMATSU MFG CO LTD·Filed 1995·Granted Apr 6, 1999·111 cites·64 claims
- 2896US5659420AConfocal optical apparatusKOMATSU MFG CO LTD·Filed 1994·Granted Aug 19, 1997·280 cites·9 claims
- 2996US5621643ADozing system for bulldozersKOMATSU MFG CO LTD·Filed 1992·Granted Apr 15, 1997·60 cites·28 claims
- 3096US5450436ALaser gas replenishing apparatus and method in excimer laser systemKOMATSU MFG CO LTD·Filed 1993·Granted Sep 12, 1995·123 cites·31 claims
- 3196US4975919ALaser wavelength control apparatusKOMATSU MFG CO LTD·Filed 1988·Granted Dec 4, 1990·90 cites·17 claims
- 3296US4451079AOperator's cab in a construction vehicleKOMATSU MFG CO LTD·Filed 1981·Granted May 29, 1984·76 cites·4 claims
- 3395US11663891B2Work vehicle periphery monitoring system and work vehicle periphery monitoring methodKOMATSU MFG CO LTD·Filed 2022·Granted May 30, 2023·2 cites·2 claims
- 3495US11657688B2Work vehicle periphery monitoring system and work vehicle periphery monitoring methodKOMATSU MFG CO LTD·Filed 2022·Granted May 23, 2023·2 cites·3 claims
- 3595US10668854B2Work vehicle and display deviceKOMATSU MFG CO LTD·Filed 2017·Granted Jun 2, 2020·16 cites·11 claims
- 3695US8997915B2Wheel loaderKOMATSU MFG CO LTD·Filed 2013·Granted Apr 7, 2015·15 cites·9 claims
- 3795US7448976B2Speed-changing deviceKOMATSU MFG CO LTD·Filed 2007·Granted Nov 11, 2008·30 cites·2 claims
- 3895US7434505B2Servo press control system and servo press control methodKOMATSU MFG CO LTD·Filed 2005·Granted Oct 14, 2008·31 cites·2 claims
- 3995US7210326B2Work transfer apparatus for transfer pressKOMATSU MFG CO LTD·Filed 2004·Granted May 1, 2007·103 cites·5 claims
- 4095US7096848B2Direct injection diesel engineKOMATSU MFG CO LTD·Filed 2004·Granted Aug 29, 2006·32 cites·13 claims
- 4195US7082758B2Hydraulic machine, system for monitoring health of hydraulic machine, and method thereofKOMATSU MFG CO LTD·Filed 2005·Granted Aug 1, 2006·49 cites·16 claims
- 4295US6857494B2Steering-wheel revolution number correction system of all-wheel-drive vehicleKOMATSU MFG CO LTD·Filed 2001·Granted Feb 22, 2005·90 cites·5 claims
- 4395US6721344B2Injection locking type or MOPA type of laser deviceKOMATSU MFG CO LTD·Filed 2002·Granted Apr 13, 2004·67 cites·8 claims
- 4495USD477610SBlade for a bulldozerKOMATSU MFG CO LTD·Filed 2002·Granted Jul 22, 2003·62 cites·1 claims
- 4595US6499577B2Valve apparatus for controlling hydraulic pressure for a clutch or a brake and method for controlling hydraulic pressureKOMATSU MFG CO LTD·Filed 2001·Granted Dec 31, 2002·48 cites·7 claims
- 4695US6454527B2Noise reduction mechanism of fan device and molding method of porous damping material thereforKOMATSU MFG CO LTD·Filed 2001·Granted Sep 24, 2002·92 cites·24 claims
- 4795US6349882B1Controlling device for hydraulically operated cooling fanKOMATSU MFG CO LTD·Filed 2000·Granted Feb 26, 2002·90 cites·5 claims
- 4895US6349252B1Information management device for construction machineryKOMATSU MFG CO LTD·Filed 2000·Granted Feb 19, 2002·120 cites·8 claims
- 4995US6247538B1Automatic excavator, automatic excavation method and automatic loading methodKOMATSU MFG CO LTD·Filed 1997·Granted Jun 19, 2001·157 cites·5 claims
- 5095US6209322B1Pressurized fluid supply systemKOMATSU MFG CO LTD·Filed 1997·Granted Apr 3, 2001·68 cites·2 claims
Showing the top 50 of 3,745 patent records by PatentIndex Score.
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