Inventor · disambiguated record
Ralph H. Bradley
Also filed as: BRADLEY JR RALPH H · BRADLEY RALPH · BRADLEY RALPH H · BRADLEY RALPH HAMPTON
17 granted patents·1,092 citations·filing 1983–1999
96Inventor score
Top patents by PatentIndex Score
17 records- 0198US4573764ARear projection screenPHILIPS CORP·Filed 1983·Granted Mar 4, 1986·100 cites·25 claims
- 0297US4773731AOne-piece projection screenPHILIPS CORP·Filed 1987·Granted Sep 27, 1988·82 cites·9 claims
- 0395US4864390ADisplay system with equal path lengthsPHILIPS CORP·Filed 1988·Granted Sep 5, 1989·177 cites·82 claims
- 0495US4767186AFront projection screen with rear light concentrating lens arrayPHILIPS CORP·Filed 1987·Granted Aug 30, 1988·104 cites·23 claims
- 0590US5084807AIllumination system for LCD projection televisionPHILIPS CORP·Filed 1989·Granted Jan 28, 1992·76 cites·10 claims
- 0690US5076661ARear projection screenPHILIPS CORP·Filed 1991·Granted Dec 31, 1991·33 cites·9 claims
- 0788US5532763ASingle panel color projection video displayPHILIPS CORP·Filed 1995·Granted Jul 2, 1996·110 cites·18 claims
- 0886US5845981AMulti-color-band scrolling across single-panel light valvePHILIPS ELECTRONICS NA·Filed 1997·Granted Dec 8, 1998·102 cites·12 claims
- 0982US5892623AMutli-color-band light sourcePHILIPS ELECTRONICS NA·Filed 1997·Granted Apr 6, 1999·60 cites·6 claims
- 1080US5608467ASingle panel color projection video displayPHILIPS ELECTRONICS NA·Filed 1995·Granted Mar 4, 1997·59 cites·6 claims
- 1180US4701020ARear projection screen with improved luminance uniformityPHILIPS CORP·Filed 1986·Granted Oct 20, 1987·40 cites·13 claims
- 1274US5168351AShort focal length video color projector employing dichroic mirror blockPHILIPS CORP·Filed 1990·Granted Dec 1, 1992·38 cites·12 claims
- 1368US5999321ADichroic filters with low nm per degree sensitivityPHILIPS ELECTRONICS NA·Filed 1998·Granted Dec 7, 1999·35 cites·30 claims
- 1468US4964695ALenticular arrays for front projection screens and contrast improving method and devicePHILIPS CORP·Filed 1989·Granted Oct 23, 1990·23 cites·25 claims
- 1567US4679069AColor picture projection system with a wavelength-selective reflector for filtering out undesired light from a monochrome picture display sourceNAP CONSUMER ELECTRONICS CORP·Filed 1984·Granted Jul 7, 1987·21 cites·11 claims
- 1664US4928182ADual aspect ratio display with cyclicly moving raster area to prevent uneven phosphor agingPHILIPS CORP·Filed 1989·Granted May 22, 1990·19 cites·17 claims
- 1749US6191893B1Color projection display system with improved hue variationPHILIPS ELECTRONICS NA·Filed 1999·Granted Feb 20, 2001·13 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →