Assignee
TOYODA MACHINE WORKS LTD
613 granted patents·26 pending applications·11,412 citations·filing 1974–2007
Top patents by PatentIndex Score
639 records- 0196US5715729AMachine tool having parallel structureTOYODA MACHINE WORKS LTD·Filed 1995·Granted Feb 10, 1998·264 cites·7 claims
- 0295US6158561AClutch plateTOYODA MACHINE WORKS LTD·Filed 1999·Granted Dec 12, 2000·69 cites·10 claims
- 0395US4905808ATorque transmission device for a four-wheel drive vehicleTOYODA MACHINE WORKS LTD·Filed 1988·Granted Mar 6, 1990·66 cites·18 claims
- 0495US4890306ATool holder for monitoring tool service timeTOYODA MACHINE WORKS LTD·Filed 1988·Granted Dec 26, 1989·91 cites·4 claims
- 0595US4496288AVane type pump with a variable capacity for power steering devicesTOYODA MACHINE WORKS LTD·Filed 1982·Granted Jan 29, 1985·74 cites·8 claims
- 0695US4476529AControl system for a power steering deviceTOYODA MACHINE WORKS LTD·Filed 1982·Granted Oct 9, 1984·70 cites·4 claims
- 0794US7130728B2Vehicle steering apparatus and method for controlling the sameTOYODA MACHINE WORKS LTD·Filed 2004·Granted Oct 31, 2006·43 cites·20 claims
- 0894US4763745AMotor vehicle with driving status detection deviceTOYODA MACHINE WORKS LTD·Filed 1986·Granted Aug 16, 1988·86 cites·10 claims
- 0994US4733343AMachine tool numerical controller with a trouble stop functionTOYODA MACHINE WORKS LTD·Filed 1986·Granted Mar 22, 1988·109 cites·6 claims
- 1094US4570387ACenterless grinding machineTOYODA MACHINE WORKS LTD·Filed 1984·Granted Feb 18, 1986·45 cites·3 claims
- 1194US4513366AMenu programmed machine tool numerical controller with an interference checking functionTOYODA MACHINE WORKS LTD·Filed 1983·Granted Apr 23, 1985·75 cites·4 claims
- 1293US5020001ARobot controllerTOYODA MACHINE WORKS LTD·Filed 1989·Granted May 28, 1991·138 cites·4 claims
- 1393US4960011ADifferential drive mechanismTOYODA MACHINE WORKS LTD·Filed 1989·Granted Oct 2, 1990·45 cites·4 claims
- 1493US4530046AMethod of inputting machining information to a machine tool numerical controller and apparatus thereforTOYODA MACHINE WORKS LTD·Filed 1983·Granted Jul 16, 1985·94 cites·10 claims
- 1592US7089836B2Hale-machining method and apparatusTOYODA MACHINE WORKS LTD·Filed 2004·Granted Aug 15, 2006·45 cites·6 claims
- 1692US6727669B2Motor-driven power steering apparatusTOYODA MACHINE WORKS LTD·Filed 2002·Granted Apr 27, 2004·56 cites·27 claims
- 1792US4400118AMachine tool with bore diameter measuring apparatus and tool position compensating apparatusTOYODA MACHINE WORKS LTD·Filed 1981·Granted Aug 23, 1983·62 cites·4 claims
- 1892US4285551AFluid bearingTOYODA MACHINE WORKS LTD·Filed 1979·Granted Aug 25, 1981·30 cites·14 claims
- 1991US6999862B2Electric power steering apparatusTOYODA MACHINE WORKS LTD·Filed 2005·Granted Feb 14, 2006·34 cites·7 claims
- 2091US6547438B2Hydraulic bearing deviceTOYODA MACHINE WORKS LTD·Filed 2001·Granted Apr 15, 2003·31 cites·16 claims
- 2191US4798050AControl system for hydraulic tandem pump in motor vehicleTOYODA MACHINE WORKS LTD·Filed 1987·Granted Jan 17, 1989·61 cites·3 claims
- 2291US4474483AHydrostatic bearing apparatus with a cooling functionTOYODA MACHINE WORKS LTD·Filed 1983·Granted Oct 2, 1984·44 cites·9 claims
- 2391US3952388AMachine tool apparatusTOYODA MACHINE WORKS LTD·Filed 1974·Granted Apr 27, 1976·63 cites·10 claims
- 2490US5090881AVariable-displacement vane-pumpTOYODA MACHINE WORKS LTD·Filed 1990·Granted Feb 25, 1992·74 cites·5 claims
- 2590US4794536ASteering angle detection deviceTOYODA MACHINE WORKS LTD·Filed 1985·Granted Dec 27, 1988·57 cites·4 claims
- 2690US4642021AManipulation arm mechanism for an industrial robotTOYODA MACHINE WORKS LTD·Filed 1984·Granted Feb 10, 1987·53 cites·16 claims
- 2790US4151684AGrinding machine with a re-truing deviceTOYODA MACHINE WORKS LTD·Filed 1977·Granted May 1, 1979·36 cites·10 claims
- 2889US5330168ADevice for clamping a workpieceTOYODA MACHINE WORKS LTD·Filed 1993·Granted Jul 19, 1994·49 cites·10 claims
- 2989US4971535ATandem rotary pump with pressure chamber between two intermediate side platesTOYODA MACHINE WORKS LTD·Filed 1989·Granted Nov 20, 1990·65 cites·4 claims
- 3089US4371216AFluid bearingTOYODA MACHINE WORKS LTD·Filed 1980·Granted Feb 1, 1983·27 cites·2 claims
- 3189US4293913ANumerical controller for a grinding machineTOYODA MACHINE WORKS LTD·Filed 1979·Granted Oct 6, 1981·49 cites·17 claims
- 3288US7028804B2Steering angle neutral position detection error protecting method and detection error protecting apparatusTOYODA MACHINE WORKS LTD·Filed 2003·Granted Apr 18, 2006·47 cites·4 claims
- 3388US6711829B2Method for measuring work portion and machining methodTOYODA MACHINE WORKS LTD·Filed 2001·Granted Mar 30, 2004·36 cites·6 claims
- 3488US6161995AMachine toolTOYODA MACHINE WORKS LTD·Filed 1998·Granted Dec 19, 2000·73 cites·18 claims
- 3588US5333514AParallel robotTOYODA MACHINE WORKS LTD·Filed 1993·Granted Aug 2, 1994·124 cites·5 claims
- 3688US4073281ATruing and dressing apparatus for grinding wheelsTOYODA MACHINE WORKS LTD·Filed 1976·Granted Feb 14, 1978·32 cites·17 claims
- 3787US6913109B2Vehicle steering control systemTOYODA MACHINE WORKS LTD·Filed 2003·Granted Jul 5, 2005·39 cites·6 claims
- 3887US6511364B2Method and apparatus for grinding eccentric cylindrical portions of workpiece with diameter measuring deviceTOYODA MACHINE WORKS LTD·Filed 2002·Granted Jan 28, 2003·27 cites·10 claims
- 3987US6409573B1Combination grinding machineTOYODA MACHINE WORKS LTD·Filed 2000·Granted Jun 25, 2002·41 cites·25 claims
- 4087US5723928AInduction motor and method of adjusting power factor of the sameTOYODA MACHINE WORKS LTD·Filed 1995·Granted Mar 3, 1998·72 cites·3 claims
- 4187US4090743AFluid bearing including both hydrodynamic and hydrostatic bearingsTOYODA MACHINE WORKS LTD·Filed 1977·Granted May 23, 1978·39 cites·6 claims
- 4287US4029950ANumerical control system for machines utilizing a programmable sequence controllerTOYODA MACHINE WORKS LTD·Filed 1976·Granted Jun 14, 1977·44 cites·20 claims
- 4386US6419563B1Method of and an apparatus for machining a workpiece with plural tool headsTOYODA MACHINE WORKS LTD·Filed 2000·Granted Jul 16, 2002·39 cites·8 claims
- 4486US6334503B1Electrically operated power steering apparatus selectively restricting electric power supply to motor by using initial value and subsequent increase of temperature of heated portion thereinTOYODA MACHINE WORKS LTD·Filed 2000·Granted Jan 1, 2002·45 cites·16 claims
- 4586US5562526AMethod and apparatus for grinding a workpieceTOYODA MACHINE WORKS LTD·Filed 1994·Granted Oct 8, 1996·56 cites·11 claims
- 4686US4653601AElectric power steering system for a motor vehicleTOYODA MACHINE WORKS LTD·Filed 1985·Granted Mar 31, 1987·48 cites·3 claims
- 4786US4559798AFillet rolling machineTOYODA MACHINE WORKS LTD·Filed 1984·Granted Dec 24, 1985·31 cites·10 claims
- 4886US4451185ABoring tool holder with probes for measuring boreTOYODA MACHINE WORKS LTD·Filed 1981·Granted May 29, 1984·44 cites·9 claims
- 4985US6305183B1Apparatus and method for cooling workpieceTOYODA MACHINE WORKS LTD·Filed 1999·Granted Oct 23, 2001·46 cites·17 claims
- 5085US4966268ADriving power transmission deviceTOYODA MACHINE WORKS LTD·Filed 1989·Granted Oct 30, 1990·44 cites·6 claims
Showing the top 50 of 639 patent records by PatentIndex Score.
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