Petro Vlahos
19Patents
13h-index
5Co-inventors
71Inventor score
Filing activity: Nov 8, 1974 → Sep 8, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6361173B1 | Method and apparatus for inhibiting projection of selected areas of a projected image | Electricity | 90 | Expired |
| US4589013A | Automated encoded signal color image compositing | Electricity | 90 | Expired |
| US4100569A | Comprehensive electronic compositing system | Chemistry; Metallurgy | 47 | Expired |
| US4344085A | Comprehensive electronic compositing system | Electricity | 42 | Expired |
| US4625231A | Comprehensive electronic compositing system | Electricity | 37 | Expired |
| US4007487A | Electronic composite photography with color control | Electricity | 33 | Expired |
| US4409611A | Encoded signal color image compositing | Electricity | 33 | Expired |
| US5032901A | Backing color and luminance nonuniformity compensation for linear image compositing | Electricity | 29 | Expired |
| US5742354A | Method for generating non-visible window edges in image compositing systems | Electricity | 28 | Expired |
| US5424781A | Backing color and luminance nonuniformity compensation for linear image compositing | Electricity | 23 | Expired |
| US5515109A | Backing color and luminance nonuniformity compensation | Electricity | 19 | Expired |
| US6616281B1 | Visible-invisible background prompter | Physics | 15 | Expired |
| US3969593A | Sound recording on color film by hue modulation | Physics | 14 | Expired |
| US4235513A | High-gain projection screen | Physics | 13 | Expired |
| US5831685A | Backing color and luminance nonuniformity compensation | Electricity | 12 | Expired |
| US6538396B1 | Automatic foreground lighting effects in a composited scene | Electricity | 10 | Expired |
| US4338165A | Method of making a high-gain projection screen | Chemistry; Metallurgy | 8 | Expired |
| US4044207A | Apparatus for reproducing a multiple track photographic sound record | Physics | 5 | Expired |
| US7530954B2 | Method and apparatus for identifying the valid systolic blood pressure of a person with hardened arteries | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.