Frederick R. Koeng
6Patents
6h-index
6Co-inventors
56Inventor score
Filing activity: Feb 21, 1975 → May 28, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6097470A | Digital photofinishing system including scene balance, contrast normalization, and image sharpening digital image processing | Electricity | 156 | Expired |
| US5563717A | Method and means for calibration of photographic media using pre-exposed miniature images | Electricity | 55 | Expired |
| US6097471A | Digital photofinishing system including film under-exposure gamma, scene balance, and image sharpening digital image processing | Electricity | 25 | Expired |
| US5995654A | Digital photofinishing system including scene balance and image sharpening digital image processing | Electricity | 11 | Expired |
| US3944424A | PHOTOGRAPHIC OR IMAGE RECIEVING ELEMENTS CONTAINING POLYMERIC MORDANTS | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6233069A | Digital photofinishing system including film under exposure gamma, scene balance, contrast normalization, and image sharpening digital image processing | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.