Inventor · disambiguated record
Richard J. Coppa
Also filed as: COPPA RICHARD J
6 granted patents·59 citations·filing 1975–1983
81Inventor score
Technology areasG03B
Files withPOLAROID CORP6
Top patents by PatentIndex Score
6 records- 0192US4047191AExposure control system having dynamic aperture flash arrangementPOLAROID CORP·Filed 1975·Granted Sep 6, 1977·30 cites·12 claims
- 0272US4317620AVariable proportional fill flashPOLAROID CORP·Filed 1980·Granted Mar 2, 1982·14 cites·17 claims
- 0365US4375322AFull range variable proportional fill flash systemPOLAROID CORP·Filed 1981·Granted Mar 1, 1983·9 cites·20 claims
- 0443US4299461AExposure and flash fire control systemPOLAROID CORP·Filed 1980·Granted Nov 10, 1981·4 cites·17 claims
- 0533US4268138AFollow focus flash arrangementPOLAROID CORP·Filed 1979·Granted May 19, 1981·1 cites·11 claims
- 0631US4486087AMethod of and apparatus for altering sensitivity of photometer to different scene portionsPOLAROID CORP·Filed 1983·Granted Dec 4, 1984·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →