Inventor · disambiguated record
Richard H. Hughes
Also filed as: HUGHES RICHARD H · HUGHES RICHARD HENRY
13 granted patents·3 pending applications·229 citations·filing 1976–2009
93Inventor score
Top patents by PatentIndex Score
16 records- 0194US4234814AElectron gun with astigmatic flare-reducing beam forming regionRCA CORP·Filed 1978·Granted Nov 18, 1980·45 cites·12 claims
- 0292US4370592AColor picture tube having an improved inline electron gun with an expanded focus lensRCA CORP·Filed 1980·Granted Jan 25, 1983·43 cites·11 claims
- 0381US4620133AColor image display systemsRCA CORP·Filed 1982·Granted Oct 28, 1986·23 cites·25 claims
- 0480US4063128ACathode support structure for color picture tube guns to equalize cutoff relation during warm-upRCA CORP·Filed 1976·Granted Dec 13, 1977·18 cites·6 claims
- 0575US4558253AColor picture tube having an inline electron gun with asymmetric focusing lensRCA CORP·Filed 1983·Granted Dec 10, 1985·17 cites·9 claims
- 0675US4556819AColor picture tube having inline electron gun with coma correction membersRCA CORP·Filed 1983·Granted Dec 3, 1985·17 cites·4 claims
- 0775US4196370ACRT generating three inline beams and having shunts for weakening center beam horizontal magnetic deflection and strengthening vertical deflectionRCA CORP·Filed 1978·Granted Apr 1, 1980·15 cites·2 claims
- 0873US4317065AColor picture tube having an improved electron gun with expanded lensesRCA CORP·Filed 1980·Granted Feb 23, 1982·16 cites·4 claims
- 0969US4318027AHigh potential, low magnification electron gunRCA CORP·Filed 1979·Granted Mar 2, 1982·11 cites·22 claims
- 1062US4396862AColor picture tube with means for affecting magnetic deflection fields in electron gun areaRCA CORP·Filed 1978·Granted Aug 2, 1983·9 cites·5 claims
- 1159US4406970AColor picture tube having an expanded focus lens type inline electron gun with an improved stigmatorRCA CORP·Filed 1981·Granted Sep 27, 1983·9 cites·2 claims
- 1248US2009181213A1Method And Apparatus For Manufacturing A Retroflective DevicePRISMO LTD·Filed 2009·Application pending·0 cites
- 1341US4350923AElectron gun with balanced lens lips to reduce astigmatismRCA CORP·Filed 1980·Granted Sep 21, 1982·4 cites·4 claims
- 1440US2006062965A1Retroflective device and method of manufacture thereofDURANT IAN I·Filed 2004·Application pending·0 cites
- 1539US2005001342A1Method and apparatus for manufacturing a retroflective devicePRISMO LTD·Filed 2004·Application pending·0 cites
- 1627US4449069AColor picture tube with focusing electrode having electrostatic field distortion aperture thereinRCA CORP·Filed 1982·Granted May 15, 1984·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →