Inventor · Monrovia, CA, US

John E. Wreede

57Patents
19h-index
24Co-inventors
84Inventor score

Filing activity: Apr 30, 1975 → Feb 23, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5406395A Holographic parking assistance device Physics 543 Expired
US5455693A Display hologram Physics 158 Expired
US5606433A Lamination of multilayer photopolymer holograms Emerging Cross-Sectional Technologies 106 Expired
US4960311A Holographic exposure system for computer generated holograms Emerging Cross-Sectional Technologies 96 Expired
US5016953A Reduction of noise in computer generated holograms Physics 72 Expired
US5499118A System for copying multiple holograms Physics 58 Expired
US5282066A Multiple layer holograms Emerging Cross-Sectional Technologies 38 Expired
US5162927A High efficiency holograms by multiple-layer holography Emerging Cross-Sectional Technologies 27 Expired
US4330604A Fabrication of holograms on plastic substrates Emerging Cross-Sectional Technologies 26 Expired
US4799746A Efficient holograms and method for making same Emerging Cross-Sectional Technologies 26 Expired
US4687720A Side lobe suppression in holograms using pre-exposure Physics 25 Expired
US4815800A Flare reduction in holograms Emerging Cross-Sectional Technologies 24 Expired
US4329409A Process for fabricating stable holograms Emerging Cross-Sectional Technologies 24 Expired
US4458977A Systems for forming improved reflection holograms with a single beam Physics 23 Expired
US5214425A Superimposed tell-tales Physics 23 Expired
US4456328A Systems for forming improved diffusion holograms Physics 21 Expired
US5082337A Filter device employing a holographic element Physics 20 Expired
US4916593A Remotely illuminated transparent holographic stoplight for automobiles Physics 20 Expired
US5138470A Guard holograms Physics 19 Expired
US4458978A Double beam systems for forming improved holograms Physics 18 Expired
US5315417A Low noise transmission holographic optical element Physics 18 Expired
US4983003A Alternate methods of side lobe reduction in holograms Emerging Cross-Sectional Technologies 18 Expired
US4789211A Hologram stabilizing assembly and method Emerging Cross-Sectional Technologies 17 Expired
US4853306A Method and apparatus for dehydrating dichromatic gelatin holograms Physics 16 Expired
US5278008A Diffraction efficiency control in holographic elements Physics 14 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.