Inventor · disambiguated record
Petro Vlahos
Also filed as: VLAHOS PETRO
19 granted patents·870 citations·filing 1974–2005
96Inventor score
Files withULTIMATTE CORP7ASS OF MOTION PICTURE AND TELE3IMATTE INC2NAT ASS THEATRE OWNERS2VLAHOS GOTTSCHALK RES2
Top patents by PatentIndex Score
19 records- 0197US6361173B1Method and apparatus for inhibiting projection of selected areas of a projected imageIMATTE INC·Filed 2001·Granted Mar 26, 2002·146 cites·24 claims
- 0295US4100569AComprehensive electronic compositing systemVLAHOS PETRO·Filed 1977·Granted Jul 11, 1978·79 cites·27 claims
- 0394US4589013AAutomated encoded signal color image compositingULTIMATTE CORP·Filed 1983·Granted May 13, 1986·106 cites·40 claims
- 0492US4007487AElectronic composite photography with color controlASS OF MOTION PICTURE AND TELE·Filed 1975·Granted Feb 8, 1977·64 cites·27 claims
- 0591US4344085AComprehensive electronic compositing systemVLAHOS GOTTSCHALK RES·Filed 1980·Granted Aug 10, 1982·72 cites·33 claims
- 0691US4235513AHigh-gain projection screenNAT ASS THEATRE OWNERS·Filed 1978·Granted Nov 25, 1980·25 cites·7 claims
- 0790US4625231AComprehensive electronic compositing systemULTIMATTE CORP·Filed 1984·Granted Nov 25, 1986·56 cites·33 claims
- 0886US4409611AEncoded signal color image compositingVLAHOS GOTTSCHALK RES·Filed 1981·Granted Oct 11, 1983·45 cites·19 claims
- 0984US6616281B1Visible-invisible background prompterIMATTE INC·Filed 2002·Granted Sep 9, 2003·28 cites·10 claims
- 1084US4338165AMethod of making a high-gain projection screenNAT ASS THEATRE OWNERS·Filed 1980·Granted Jul 6, 1982·19 cites·7 claims
- 1183US5032901ABacking color and luminance nonuniformity compensation for linear image compositingVLAHOS PETRO·Filed 1988·Granted Jul 16, 1991·45 cites·8 claims
- 1279US3969593ASound recording on color film by hue modulationASS OF MOTION PICTURE AND TELE·Filed 1974·Granted Jul 13, 1976·17 cites·34 claims
- 1377US6538396B1Automatic foreground lighting effects in a composited sceneULTIMATTE CORP·Filed 2001·Granted Mar 25, 2003·23 cites·12 claims
- 1474US5742354AMethod for generating non-visible window edges in image compositing systemsULTIMATTE CORP·Filed 1996·Granted Apr 21, 1998·50 cites·32 claims
- 1574US5424781ABacking color and luminance nonuniformity compensation for linear image compositingULTIMATTE CORP·Filed 1992·Granted Jun 13, 1995·37 cites·19 claims
- 1665US5515109ABacking color and luminance nonuniformity compensationULTIMATTE CORP·Filed 1995·Granted May 7, 1996·27 cites·15 claims
- 1761US5831685ABacking color and luminance nonuniformity compensationULTIMATTE CORP·Filed 1996·Granted Nov 3, 1998·22 cites·2 claims
- 1859US4044207AApparatus for reproducing a multiple track photographic sound recordASS OF MOTION PICTURE AND TELE·Filed 1975·Granted Aug 23, 1977·9 cites·5 claims
- 1938US7530954B2Method and apparatus for identifying the valid systolic blood pressure of a person with hardened arteriesVLAHOS FAMILY TRUST·Filed 2005·Granted May 12, 2009·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →