Inventor · disambiguated record
Ralph J. Gagnon
Also filed as: GAGNON RALPH · GAGNON RALPH J
9 granted patents·491 citations·filing 1981–1997
92Inventor score
Top patents by PatentIndex Score
9 records- 0193US4425028AHigh efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarization and single projection lensHUGHES AIRCRAFT CO·Filed 1981·Granted Jan 10, 1984·101 cites·4 claims
- 0292US4715684AOptical system for three color liquid crystal light valve image projection systemHUGHES AIRCRAFT CO·Filed 1984·Granted Dec 29, 1987·81 cites·20 claims
- 0391US4461542AHigh efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarizationHUGHES AIRCRAFT CO·Filed 1981·Granted Jul 24, 1984·72 cites·5 claims
- 0488US4544237AHigh efficiency optical tank for two-color liquid crystal light valve image projection with color selective prepolarizationHUGHES AIRCRAFT CO·Filed 1981·Granted Oct 1, 1985·52 cites·13 claims
- 0587US4464018ALiquid crystal light valve image projection system with color selective prepolarization and blue mirrorHUGHES AIRCRAFT CO·Filed 1981·Granted Aug 7, 1984·49 cites·1 claims
- 0686US4500172ATwo color liquid crystal light valve image projection system with single prepolarizerHUGHES AIRCRAFT CO·Filed 1981·Granted Feb 19, 1985·72 cites·5 claims
- 0780US4464019ATwo-color liquid crystal light valve image projection system with color selective prepolarizers in single optical tankHUGHES AIRCRAFT CO·Filed 1981·Granted Aug 7, 1984·29 cites·8 claims
- 0860US5959773AParallel plate beam splitter configuration in high index glassHUGHES JVC TECH CORP·Filed 1997·Granted Sep 28, 1999·24 cites·26 claims
- 0943US5621551AImmersed dichroic system for single projection lens liquid crystal video projectorHUGHES JVC TECH CORP·Filed 1993·Granted Apr 15, 1997·11 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →