Assignee
NIIGATA ENGINEERING CO LTD
JP·48 granted patents·1,181 citations·filing 1975–1999
Top patents by PatentIndex Score
48 records- 0192US5393167AMethod for controlling the thickness of pavement and setting the conditions for automatic control of the leveling machineNIIGATA ENGINEERING CO LTD·Filed 1993·Granted Feb 28, 1995·102 cites·5 claims
- 0290US4165281AMethod and unit for wastewater treatment by microorganismsNIIGATA ENGINEERING CO LTD·Filed 1977·Granted Aug 21, 1979·90 cites·12 claims
- 0389US5632895ASerum separating device and apparatus for serum separationNIIGATA ENGINEERING CO LTD·Filed 1994·Granted May 27, 1997·102 cites·23 claims
- 0488US3976023AApparatus for maneuvering a shipNIIGATA ENGINEERING CO LTD·Filed 1975·Granted Aug 24, 1976·41 cites·5 claims
- 0587US6325039B1Combined engine and method for operating the sameNIIGATA ENGINEERING CO LTD·Filed 1999·Granted Dec 4, 2001·34 cites·5 claims
- 0684US4816158AMethod for treating waste water from a catalytic cracking unitNIIGATA ENGINEERING CO LTD·Filed 1987·Granted Mar 28, 1989·67 cites·30 claims
- 0781US5447803AMethod for forming titanium nitride film and vessel coated by sameNIIGATA ENGINEERING CO LTD·Filed 1993·Granted Sep 5, 1995·46 cites·4 claims
- 0878US5484227AControl device for asphalt finisherNIIGATA ENGINEERING CO LTD·Filed 1994·Granted Jan 16, 1996·47 cites·17 claims
- 0976US4611549ARotation control system for Z-type propulsion apparatusNIIGATA ENGINEERING CO LTD·Filed 1984·Granted Sep 16, 1986·33 cites·7 claims
- 1075US5900259AMolding condition optimizing system for injection molding machineNIIGATA ENGINEERING CO LTD·Filed 1996·Granted May 4, 1999·44 cites·6 claims
- 1171US4168070ASealing device for shaftNIIGATA ENGINEERING CO LTD·Filed 1978·Granted Sep 18, 1979·24 cites·6 claims
- 1270US4132636AMethod for treating gas liquorNIIGATA ENGINEERING CO LTD·Filed 1977·Granted Jan 2, 1979·30 cites·16 claims
- 1369US5860776AMain spindle device for machine toolsNIIGATA ENGINEERING CO LTD·Filed 1997·Granted Jan 19, 1999·30 cites·13 claims
- 1468US6309138B1Paving method and paving machineNIIGATA ENGINEERING CO LTD·Filed 1999·Granted Oct 30, 2001·34 cites·10 claims
- 1568US4730850AQuick release coupling deviceNIIGATA ENGINEERING CO LTD·Filed 1986·Granted Mar 15, 1988·31 cites·12 claims
- 1668US4512369AEmergency disconnector for fluid loading and unloading linesNIIGATA ENGINEERING CO LTD·Filed 1982·Granted Apr 23, 1985·17 cites·10 claims
- 1767US4741130AMethod and apparatus for sandblasting a workpieceNIIGATA ENGINEERING CO LTD·Filed 1986·Granted May 3, 1988·25 cites·19 claims
- 1867US4060390AApparatus for producing compostsNIIGATA ENGINEERING CO LTD·Filed 1976·Granted Nov 29, 1977·17 cites·7 claims
- 1964US4347259AMethod for reducing the bacterial population of blood powderNIIGATA ENGINEERING CO LTD·Filed 1980·Granted Aug 31, 1982·51 cites·16 claims
- 2062US6142760ADrive control apparatus for electric injection molding machineNIIGATA ENGINEERING CO LTD·Filed 1998·Granted Nov 7, 2000·27 cites·8 claims
- 2162US5361562AMethod and apparatus for opening lid of boxNIIGATA ENGINEERING CO LTD·Filed 1992·Granted Nov 8, 1994·22 cites·14 claims
- 2261US5546123AAutomatic steering device for asphalt finisherNIIGATA ENGINEERING CO LTD·Filed 1994·Granted Aug 13, 1996·27 cites·9 claims
- 2361US4345852ALeveling device for asphalt finisherNIIGATA ENGINEERING CO LTD·Filed 1980·Granted Aug 24, 1982·21 cites·7 claims
- 2459US4687016AEmergency release valve apparatusNIIGATA ENGINEERING CO LTD·Filed 1986·Granted Aug 18, 1987·17 cites·9 claims
- 2557US6209511B1Lean combustion gas engineNIIGATA ENGINEERING CO LTD·Filed 1999·Granted Apr 3, 2001·19 cites·8 claims
- 2651US5439434AAutomatic tool exchangerNIIGATA ENGINEERING CO LTD·Filed 1994·Granted Aug 8, 1995·10 cites·16 claims
- 2749US4753051AApparatus for processing workpiece with sandblastingNIIGATA ENGINEERING CO LTD·Filed 1985·Granted Jun 28, 1988·14 cites·8 claims
- 2849US4559073AComposting excretions from domestic animalsNIIGATA ENGINEERING CO LTD·Filed 1984·Granted Dec 17, 1985·17 cites·12 claims
- 2947US4636701ASystem for controlling rotation of rotary mechanism in Z-type propulsion apparatusNIIGATA ENGINEERING CO LTD·Filed 1984·Granted Jan 13, 1987·10 cites·7 claims
- 3046US4312143AChute structure of snow ploughNIIGATA ENGINEERING CO LTD·Filed 1980·Granted Jan 26, 1982·20 cites·7 claims
- 3145US4648171AMagazine for replaceable tools and operation method of indexing tools using the magazineNIIGATA ENGINEERING CO LTD·Filed 1986·Granted Mar 10, 1987·11 cites·9 claims
- 3245US4519411AEmergency disconnector for fluid loading and unloading linesNIIGATA ENGINEERING CO LTD·Filed 1983·Granted May 28, 1985·12 cites·11 claims
- 3345US4271780AApparatus for maneuvering a shipNIIGATA ENGINEERING CO LTD·Filed 1979·Granted Jun 9, 1981·12 cites·14 claims
- 3440US4798027AMethod of and apparatus for sandblasting workpieceNIIGATA ENGINEERING CO LTD·Filed 1987·Granted Jan 17, 1989·8 cites·16 claims
- 3539US4142846AValve means for use in a concrete material pumpNIIGATA ENGINEERING CO LTD·Filed 1977·Granted Mar 6, 1979·8 cites·9 claims
- 3637US6135671APaving materials loading apparatus and paving machineNIIGATA ENGINEERING CO LTD·Filed 1999·Granted Oct 24, 2000·10 cites·43 claims
- 3736US4586537AEmergency disconnector for fluid loading and unloading linesNIIGATA ENGINEERING CO LTD·Filed 1984·Granted May 6, 1986·3 cites·4 claims
- 3835US4616397AMagazine for replaceable tools and operation method of indexing tools using the magazineNIIGATA ENGINEERING CO LTD·Filed 1984·Granted Oct 14, 1986·5 cites·21 claims
- 3935US4029126AArm driving device for fluid loading apparatusNIIGATA ENGINEERING CO LTD·Filed 1976·Granted Jun 14, 1977·8 cites·5 claims
- 4034US4708582AMethod for feeding a workNIIGATA ENGINEERING CO LTD·Filed 1986·Granted Nov 24, 1987·4 cites·4 claims
- 4134US3960176AFluid loading deviceNIIGATA ENGINEERING CO LTD·Filed 1975·Granted Jun 1, 1976·9 cites·3 claims
- 4229US3962985ATwin-shaft type propulsion arrangement for a tug boatNIIGATA ENGINEERING CO LTD·Filed 1975·Granted Jun 15, 1976·4 cites·6 claims
- 4328US4404763ARotary snow ploughNIIGATA ENGINEERING CO LTD·Filed 1981·Granted Sep 20, 1983·5 cites·9 claims
- 4425US4610214ARotation control system for Z-type propulsion apparatusNIIGATA ENGINEERING CO LTD·Filed 1984·Granted Sep 9, 1986·1 cites·12 claims
- 4522US4597642AArticulate joint in laser processing machinesNIIGATA ENGINEERING CO LTD·Filed 1983·Granted Jul 1, 1986·3 cites·6 claims
- 4620US4466782AValve unit for use in concrete pumpsNIIGATA ENGINEERING CO LTD·Filed 1982·Granted Aug 21, 1984·4 cites·13 claims
- 4716US6000630AEmulsion dispersing device and methodNIIGATA ENGINEERING CO LTD·Filed 1998·Granted Dec 14, 1999·4 cites·16 claims
- 4812US4800789ATool slide device in machine toolNIIGATA ENGINEERING CO LTD·Filed 1987·Granted Jan 31, 1989·1 cites·10 claims
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