Assignee
NAT AEROSPACE LAB
JP·43 granted patents·2 pending applications·1,549 citations·filing 1978–2017
Top patents by PatentIndex Score
45 records- 0194US5797105AAir active control aircraft using three dimensional true airspeed detection systemNAT AEROSPACE LAB·Filed 1997·Granted Aug 18, 1998·127 cites·7 claims
- 0294US4751099AMethod of producing a functionally gradient materialNAT AEROSPACE LAB·Filed 1986·Granted Jun 14, 1988·114 cites·5 claims
- 0394US4183716AAir-cooled turbine bladeNAT AEROSPACE LAB·Filed 1978·Granted Jan 15, 1980·82 cites·4 claims
- 0492US6430475B2Pressure-distribution sensor for controlling multi-jointed nursing robotNAT AEROSPACE LAB·Filed 2001·Granted Aug 6, 2002·170 cites·4 claims
- 0591US5005786ADocking and active damping device for space structuresNAT AEROSPACE LAB·Filed 1989·Granted Apr 9, 1991·69 cites·6 claims
- 0689US6922610B2Robot having offset rotary jointsNAT AEROSPACE LAB·Filed 2003·Granted Jul 26, 2005·45 cites·17 claims
- 0789US6889495B2Gas turbine combustorNAT AEROSPACE LAB·Filed 2003·Granted May 10, 2005·38 cites·11 claims
- 0886US6751532B2Wind turbulence prediction systemNAT AEROSPACE LAB·Filed 2002·Granted Jun 15, 2004·35 cites·8 claims
- 0986US5627311ATransportable three-dimensional calibration wind tunnel system, verification method of flight control system and flight simulator using sameNAT AEROSPACE LAB·Filed 1995·Granted May 6, 1997·41 cites·6 claims
- 1086US4703620ARocket combustion chamber cooling wall of composite cooling type and method of manufacturing the sameNAT AEROSPACE LAB·Filed 1987·Granted Nov 3, 1987·50 cites·12 claims
- 1182US5501114AThree-dimensional free motion apparatusNAT AEROSPACE LAB·Filed 1994·Granted Mar 26, 1996·50 cites·14 claims
- 1282US4885491AUnstable vibration prevention apparatus for magnetic bearing systemNAT AEROSPACE LAB·Filed 1988·Granted Dec 5, 1989·37 cites·9 claims
- 1382US4749898ASuperprecision positioning deviceNAT AEROSPACE LAB·Filed 1987·Granted Jun 7, 1988·62 cites·5 claims
- 1482US4582678AMethod of producing rocket combustorsNAT AEROSPACE LAB·Filed 1984·Granted Apr 15, 1986·37 cites·17 claims
- 1579US5248133AMultidimensional damping apparatusNAT AEROSPACE LAB·Filed 1992·Granted Sep 28, 1993·42 cites·11 claims
- 1678US6797390B2Functional polymer with supported pressure-sensitive luminophore, and pressure-sensitive paint and pressure-sensitive element using sameNAT AEROSPACE LAB·Filed 2003·Granted Sep 28, 2004·19 cites·11 claims
- 1778US4584171AMethod of producing rocket combustorsNAT AEROSPACE LAB·Filed 1984·Granted Apr 22, 1986·29 cites·9 claims
- 1877US5866813ATransportable three-dimensional calibration wind tunnel system, verification method of flight control system using said system and flight simulator using said systemNAT AEROSPACE LAB·Filed 1996·Granted Feb 2, 1999·31 cites·7 claims
- 1976US6427519B2Road surface friction measuring method and device thereforNAT AEROSPACE LAB·Filed 2000·Granted Aug 6, 2002·21 cites·7 claims
- 2075US5429875AMounting object provided with a metallic heat-resistant two-dimensional fastenerNAT AEROSPACE LAB·Filed 1992·Granted Jul 4, 1995·34 cites·7 claims
- 2174US6786430B2Liquid atomizing nozzleNAT AEROSPACE LAB·Filed 2003·Granted Sep 7, 2004·17 cites·7 claims
- 2273US6694808B2Method and apparatus for reducing pressure fluctuations in supersonic wind tunnel circuitNAT AEROSPACE LAB·Filed 2002·Granted Feb 24, 2004·20 cites·6 claims
- 2372US4778649AMethod of producing composite materialsNAT AEROSPACE LAB·Filed 1987·Granted Oct 18, 1988·49 cites·16 claims
- 2471US6811271B2Electromagnetic wave focusing deviceNAT AEROSPACE LAB·Filed 2002·Granted Nov 2, 2004·16 cites·6 claims
- 2565US6263444B1Network unauthorized access analysis method, network unauthorized access analysis apparatus utilizing the method, and computer-readable recording medium having network unauthorized access analysis program recorded thereonNAT AEROSPACE LAB·Filed 1998·Granted Jul 17, 2001·65 cites·24 claims
- 2665US5756891AVerification method of a flight control system using a transportable wind tunnelNAT AEROSPACE LAB·Filed 1996·Granted May 26, 1998·20 cites·5 claims
- 2762US6976401B2Offset rotary joint unit equipped with rotation correction mechanismNAT AEROSPACE LAB·Filed 2002·Granted Dec 20, 2005·16 cites·8 claims
- 2861US6847326B2GPS device for measuring wave height and current direction and speed and GPS system for measuring wave height and current direction and speedNAT AEROSPACE LAB·Filed 2003·Granted Jan 25, 2005·19 cites·9 claims
- 2961US6834495B2Multi-fan system separated core engine type turbofan engineNAT AEROSPACE LAB·Filed 2003·Granted Dec 28, 2004·19 cites·3 claims
- 3061US6792746B2Separated core engine type turbofan engineNAT AEROSPACE LAB·Filed 2003·Granted Sep 21, 2004·20 cites·4 claims
- 3160US6176130B1Flight velocity vector measuring system in wide velocity region using truncated pyramid-shape probeNAT AEROSPACE LAB·Filed 1998·Granted Jan 23, 2001·24 cites·7 claims
- 3260US5229839AMethod and apparatus for measuring the size of a single fine particle and the size distribution of fine particlesNAT AEROSPACE LAB·Filed 1991·Granted Jul 20, 1993·24 cites·8 claims
- 3357US4732531AAir sealed turbine bladesNAT AEROSPACE LAB·Filed 1986·Granted Mar 22, 1988·30 cites·3 claims
- 3456US6981364B2Combine engine for single-stage spacecraftNAT AEROSPACE LAB·Filed 2003·Granted Jan 3, 2006·10 cites·11 claims
- 3555US6772856B2Fine jet control-type sound absorption systemNAT AEROSPACE LAB·Filed 2002·Granted Aug 10, 2004·12 cites·16 claims
- 3653US6647798B2Bearing load measuring system using double-cylinder type cartridgeNAT AEROSPACE LAB·Filed 2002·Granted Nov 18, 2003·8 cites·5 claims
- 3752US4508680AMethod of manufacturing a rocket combustion chamberNAT AEROSPACE LAB·Filed 1983·Granted Apr 2, 1985·12 cites·9 claims
- 3848US6834493B2System for reducing pump cavitationNAT AEROSPACE LAB·Filed 2002·Granted Dec 28, 2004·9 cites·8 claims
- 3947US7061692B2Ultra-lightweight electromagnetic wave concentrator and method for manufacture thereofNAT AEROSPACE LAB·Filed 2003·Granted Jun 13, 2006·4 cites·5 claims
- 4046US7210897B2Actively-controlled sound absorption panel system using movement-controlled reflective plateNAT AEROSPACE LAB·Filed 2001·Granted May 1, 2007·5 cites·10 claims
- 4142US4920290AActive magnetic bearing apparatusNAT AEROSPACE LAB·Filed 1988·Granted Apr 24, 1990·10 cites·5 claims
- 4241US6884021B2Single cascade multistage turbineNAT AEROSPACE LAB·Filed 2003·Granted Apr 26, 2005·5 cites·5 claims
- 4340US2003235513A1Optical oxygen concentration measurement method and optical oxygen concentration measuring sensorNAT AEROSPACE LAB·Filed 2003·Application pending·0 cites
- 4430US5531957AMethod for manufacturing a mounting object provided with a metallic heat-resistant two-dimensional fastenerNAT AEROSPACE LAB·Filed 1995·Granted Jul 2, 1996·2 cites·5 claims
- 4529US2018104826A1Machining deviceNAT AEROSPACE LAB·Filed 2017·Application pending·0 cites
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