Assignee
HUGHES AIRCRAFT CO
US·4,610 granted patents·8 pending applications·183,388 citations·filing 1952–2003
Top patents by PatentIndex Score
4,618 records- 0199US5790935AVirtual on-demand digital information delivery system and methodHUGHES AIRCRAFT CO·Filed 1996·Granted Aug 4, 1998·1.4k cites·35 claims
- 0299US5732597APre-loaded self-aligning roller nut assembly for standard micrometer spindle and the likeHUGHES AIRCRAFT CO·Filed 1996·Granted Mar 31, 1998·350 cites·18 claims
- 0399US5704792ASpring loaded rotary connectorHUGHES AIRCRAFT CO·Filed 1996·Granted Jan 6, 1998·418 cites·7 claims
- 0499US5440428AAutomotive instrument 3-D virtual image displayHUGHES AIRCRAFT CO·Filed 1993·Granted Aug 8, 1995·599 cites·100 claims
- 0599US5266961AContinuous transverse stub element devices and methods of making sameHUGHES AIRCRAFT CO·Filed 1991·Granted Nov 30, 1993·289 cites·34 claims
- 0699US5044706AOptical element employing aspherical and binary grating optical surfacesHUGHES AIRCRAFT CO·Filed 1990·Granted Sep 3, 1991·475 cites·17 claims
- 0799US4132904AVolatile/non-volatile logic latch circuitHUGHES AIRCRAFT CO·Filed 1977·Granted Jan 2, 1979·168 cites·33 claims
- 0898US5669251ALiquid carbon dioxide dry cleaning system having a hydraulically powered basketHUGHES AIRCRAFT CO·Filed 1996·Granted Sep 23, 1997·137 cites·12 claims
- 0998US5655210ACorona source for producing corona discharge and fluid waste treatment with corona dischargeHUGHES AIRCRAFT CO·Filed 1995·Granted Aug 5, 1997·142 cites·13 claims
- 1098US5596676AMode-specific method and apparatus for encoding signals containing speechHUGHES AIRCRAFT CO·Filed 1995·Granted Jan 21, 1997·439 cites·24 claims
- 1198US5467492ADry-cleaning of garments using liquid carbon dioxide under agitation as cleaning mediumHUGHES AIRCRAFT CO·Filed 1994·Granted Nov 21, 1995·158 cites·19 claims
- 1298US5445347AAutomated wireless preventive maintenance monitoring system for magnetic levitation (MAGLEV) trains and other vehiclesHUGHES AIRCRAFT CO·Filed 1993·Granted Aug 29, 1995·370 cites·20 claims
- 1398US5406395AHolographic parking assistance deviceHUGHES AIRCRAFT CO·Filed 1993·Granted Apr 11, 1995·590 cites·10 claims
- 1498US5395253AMembrane connector with stretch induced micro scrubHUGHES AIRCRAFT CO·Filed 1993·Granted Mar 7, 1995·163 cites·11 claims
- 1598US5339844ALow cost equipment for cleaning using liquefiable gasesHUGHES AIRCRAFT CO·Filed 1993·Granted Aug 23, 1994·169 cites·16 claims
- 1698US5316591ACleaning by cavitation in liquefied gasHUGHES AIRCRAFT CO·Filed 1992·Granted May 31, 1994·227 cites·23 claims
- 1798US5265159ASecure file erasureHUGHES AIRCRAFT CO·Filed 1992·Granted Nov 23, 1993·357 cites·3 claims
- 1898US5229872AExposure device including an electrically aligned electronic mask for micropatterningHUGHES AIRCRAFT CO·Filed 1992·Granted Jul 20, 1993·1.3k cites·24 claims
- 1998US5148103AApparatus for testing integrated circuitsHUGHES AIRCRAFT CO·Filed 1990·Granted Sep 15, 1992·233 cites·15 claims
- 2098US4989011ADual mode phased array antenna systemHUGHES AIRCRAFT CO·Filed 1987·Granted Jan 29, 1991·191 cites·17 claims
- 2198US4818048AHolographic head-up control panelHUGHES AIRCRAFT CO·Filed 1987·Granted Apr 4, 1989·241 cites·13 claims
- 2298US4810904ASample-and-hold phase detector circuitHUGHES AIRCRAFT CO·Filed 1988·Granted Mar 7, 1989·124 cites·8 claims
- 2398US4799765AIntegrated head-up and panel display unitHUGHES AIRCRAFT CO·Filed 1987·Granted Jan 24, 1989·220 cites·23 claims
- 2498US4634998AFast phase-lock frequency synthesizer with variable sampling efficiencyHUGHES AIRCRAFT CO·Filed 1985·Granted Jan 6, 1987·161 cites·11 claims
- 2598US4293833AMillimeter wave transmission line using thallium bromo-iodide fiberHUGHES AIRCRAFT CO·Filed 1979·Granted Oct 6, 1981·267 cites·14 claims
- 2698US4274706AWavelength multiplexer/demultiplexer for optical circuitsHUGHES AIRCRAFT CO·Filed 1979·Granted Jun 23, 1981·157 cites·9 claims
- 2798US4169251AWaveguide gas laser with high frequency transverse discharge excitationHUGHES AIRCRAFT CO·Filed 1978·Granted Sep 25, 1979·97 cites·8 claims
- 2898US4049944AProcess for fabricating small geometry semiconductive devices including integrated componentsHUGHES AIRCRAFT CO·Filed 1975·Granted Sep 20, 1977·190 cites·9 claims
- 2998US4047974AProcess for fabricating non-volatile field effect semiconductor memory structure utilizing implanted ions to induce trapping statesHUGHES AIRCRAFT CO·Filed 1975·Granted Sep 13, 1977·145 cites·5 claims
- 3098US3970892AIon plasma electron gunHUGHES AIRCRAFT CO·Filed 1975·Granted Jul 20, 1976·87 cites·10 claims
- 3197US5665648AIntegrated circuit spring contact fabrication methodsHUGHES AIRCRAFT CO·Filed 1995·Granted Sep 9, 1997·146 cites·17 claims
- 3297US5652795AMethod and apparatus for an adapter card providing conditional access in a communication systemHUGHES AIRCRAFT CO·Filed 1995·Granted Jul 29, 1997·230 cites·30 claims
- 3397US5649507ACorona discharge ignition systemHUGHES AIRCRAFT CO·Filed 1995·Granted Jul 22, 1997·78 cites·3 claims
- 3497US5541614ASmart antenna system using microelectromechanically tunable dipole antennas and photonic bandgap materialsHUGHES AIRCRAFT CO·Filed 1995·Granted Jul 30, 1996·163 cites·19 claims
- 3597US5426072AProcess of manufacturing a three dimensional integrated circuit from stacked SOI wafers using a temporary silicon substrateHUGHES AIRCRAFT CO·Filed 1993·Granted Jun 20, 1995·406 cites·24 claims
- 3697US5412866AMethod of making a cast elastomer/membrane test probe assemblyHUGHES AIRCRAFT CO·Filed 1993·Granted May 9, 1995·144 cites·14 claims
- 3797US5386426ANarrow bandwidth laser array systemHUGHES AIRCRAFT CO·Filed 1992·Granted Jan 31, 1995·144 cites·35 claims
- 3897US5345522AReduced noise fiber optic towed array and method of using sameHUGHES AIRCRAFT CO·Filed 1992·Granted Sep 6, 1994·257 cites·8 claims
- 3997US5315793ASystem for precision cleaning by jet sprayHUGHES AIRCRAFT CO·Filed 1991·Granted May 31, 1994·290 cites·17 claims
- 4097US5278532AAutomotive instrument virtual image displayHUGHES AIRCRAFT CO·Filed 1987·Granted Jan 11, 1994·176 cites·10 claims
- 4197US5121089AMicro-machined switch and method of fabricationHUGHES AIRCRAFT CO·Filed 1990·Granted Jun 9, 1992·130 cites·23 claims
- 4297US5117676ALeak detector for natural gas pipelinesHUGHES AIRCRAFT CO·Filed 1991·Granted Jun 2, 1992·110 cites·12 claims
- 4397US5066108AHigh throughput contrast enhancement for polarized displaysHUGHES AIRCRAFT CO·Filed 1989·Granted Nov 19, 1991·171 cites·2 claims
- 4497US5013134AGhost-free automotive head-up display employing a wedged windshieldHUGHES AIRCRAFT CO·Filed 1989·Granted May 7, 1991·165 cites·16 claims
- 4597US4992719AStable high voltage pulse power supplyHUGHES AIRCRAFT CO·Filed 1989·Granted Feb 12, 1991·123 cites·12 claims
- 4697US4957456ASelf-aligning RF push-on connectorHUGHES AIRCRAFT CO·Filed 1989·Granted Sep 18, 1990·175 cites·7 claims
- 4797US4939685ANormalized frequency domain LMS adaptive filterHUGHES AIRCRAFT CO·Filed 1989·Granted Jul 3, 1990·129 cites·11 claims
- 4897US4866774AStero enhancement and directivity servoHUGHES AIRCRAFT CO·Filed 1988·Granted Sep 12, 1989·148 cites·72 claims
- 4997US4838021AElectrostatic ion thruster with improved thrust modulationHUGHES AIRCRAFT CO·Filed 1987·Granted Jun 13, 1989·134 cites·6 claims
- 5097US4820185AAnti-backlash automatic locking connector coupling mechanismHUGHES AIRCRAFT CO·Filed 1988·Granted Apr 11, 1989·223 cites·23 claims
Showing the top 50 of 4,618 patent records by PatentIndex Score.
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