JM

J. David Margerum

HA Hughes Aircraft: 10 patents #90 of 2,963Top 4%
HL Hughes Electronics Limited: 2 patents #325 of 1,474Top 25%
UC University Of Southern California: 1 patents #782 of 1,826Top 45%
📍 Calabasas, CA: #296 of 4,119 inventorsTop 8%
🗺 California: #50,852 of 386,348 inventorsTop 15%
Overall (All Time): #428,709 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5729242 Dual PDLC-projection head-up display John H. Erdmann, Khoon Cheng Lim 1998-03-17
5650787 Scanning antenna with solid rotating anisotropic core K. C. Lim, A. M. Lackner, E. Sherman 1997-07-22
5338481 Asymmetrical nonpolar diphenyl-diacetylene liquid crystals eutectic mixtures Shin-Tson Wu, Hsiang-Hui B. Meng, Larry R. Dalton 1994-08-16
5194972 Microwave phase modulation with liquid crystals Khoon Cheng Lim, Anna M. Lackner, Leroy J. Miller 1993-03-16
5184233 Liquid crystal-based composite material including electrically conducting elongated particles and having enhanced microwave birefringence Khoon Cheng Lim, Anna M. Lackner, Leroy J. Miller 1993-02-02
5170271 Shaped voltage pulse method for operating a polymer dispersed liquid crystal cell, and light valve employing the same Anna M. Lackner, Elena Sherman 1992-12-08
5099343 Edge-illuminated liquid crystal display devices Anna M. Lackner, Paul J. Seiler 1992-03-24
5011267 Method for tilted alignment of liquid crystals with improved photostability Leroy J. Miller, Willis H. Smith, Jr., Anna M. Lackner 1991-04-30
4944576 Film with partial pre-alignment of polymer dispersed liquid crystals for electro-optical devices, and method of forming the same Anna M. Lacker, Elena Ramos, Willis H. Smith, Jr., Khoon Cheng Lim 1990-07-31
4428380 Method and improved apparatus for analyzing activity Shi-Yin Wong, Michael J. Little, Thomas A. Nussmeier, Theodore Calderone, Harry Dellamano 1984-01-31
4427569 Short length ester liquid crystal mixtures and process for making same Leroy J. Miller 1984-01-24
4225454 Ortho-cyanophenyl biphenylcarboxylate liquid crystal esters and mixtures thereof Frederick G. Yamagishi, Leroy J. Miller, John E. Jensen 1980-09-30