Ralph W. Jones
10Patents
3h-index
14Co-inventors
53Inventor score
Filing activity: Aug 19, 1985 → May 29, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4835093A | Internally doped silver halide emulsions | Physics | 26 | Expired |
| US4933269A | Photographic silver halide element containing infrared filter dyes | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4680256A | Emulsions and photographic elements containing silver halide grains having trisoctahedra crystal faces | Physics | 5 | Expired |
| US4711409A | Pawl controlled reel extension | Performing Operations; Transporting | 3 | Expired |
| US5491058A | Film for duplicating silver images in radiographic films | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4678135A | Control of line wrapping on reel, by reel groove design | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5024931A | Photographic emulsions sensitized by the introduction of oligomers | Physics | 1 | Expired |
| US5264336A | Silver brom(oiod)ide emulsions of increased sensitivity in the near infrared | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4638959A | Pawl controlled reel extension | Performing Operations; Transporting | 1 | Expired |
| US6623918B1 | Process for the preparation of high bromide tabular grain emulsions | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.