Inventor · disambiguated record
J. David Margerum
Also filed as: MARGERUM J D · MARGERUM J DAVID
12 granted patents·1,043 citations·filing 1979–1996
93Inventor score
Files withHUGHES AIRCRAFT CO12
Top patents by PatentIndex Score
12 records- 0196US5729242ADual PDLC-projection head-up displayHUGHES AIRCRAFT CO·Filed 1996·Granted Mar 17, 1998·492 cites·20 claims
- 0294US5099343AEdge-illuminated liquid crystal display devicesHUGHES AIRCRAFT CO·Filed 1989·Granted Mar 24, 1992·212 cites·9 claims
- 0388US4944576AFilm with partial pre-alignment of polymer dispersed liquid crystals for electro-optical devices, and method of forming the sameHUGHES AIRCRAFT CO·Filed 1988·Granted Jul 31, 1990·86 cites·15 claims
- 0476US4428380AMethod and improved apparatus for analyzing activityHUGHES AIRCRAFT CO·Filed 1980·Granted Jan 31, 1984·104 cites·16 claims
- 0565US5184233ALiquid crystal-based composite material including electrically conducting elongated particles and having enhanced microwave birefringenceHUGHES AIRCRAFT CO·Filed 1992·Granted Feb 2, 1993·27 cites·19 claims
- 0664US5170271AShaped voltage pulse method for operating a polymer dispersed liquid crystal cell, and light valve employing the sameHUGHES AIRCRAFT CO·Filed 1991·Granted Dec 8, 1992·27 cites·20 claims
- 0764US5011267AMethod for tilted alignment of liquid crystals with improved photostabilityHUGHES AIRCRAFT CO·Filed 1986·Granted Apr 30, 1991·24 cites·11 claims
- 0860US5194972AMicrowave phase modulation with liquid crystalsHUGHES AIRCRAFT CO·Filed 1992·Granted Mar 16, 1993·27 cites·25 claims
- 0955US5338481AAsymmetrical nonpolar diphenyl-diacetylene liquid crystals eutectic mixturesHUGHES AIRCRAFT CO·Filed 1992·Granted Aug 16, 1994·14 cites·12 claims
- 1050US5650787AScanning antenna with solid rotating anisotropic coreHUGHES AIRCRAFT CO·Filed 1995·Granted Jul 22, 1997·25 cites·25 claims
- 1133US4427569AShort length ester liquid crystal mixtures and process for making sameHUGHES AIRCRAFT CO·Filed 1980·Granted Jan 24, 1984·4 cites·11 claims
- 1231US4225454AOrtho-cyanophenyl biphenylcarboxylate liquid crystal esters and mixtures thereofHUGHES AIRCRAFT CO·Filed 1979·Granted Sep 30, 1980·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →