Otto Lapp
11Patents
5h-index
18Co-inventors
63Inventor score
Filing activity: Nov 20, 1972 → Nov 21, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4267264A | Color photographic recording material | Physics | 12 | Expired |
| US4129446A | Color photographic recording material | Physics | 8 | Expired |
| US4186016A | Color photographic recording material | Physics | 8 | Expired |
| US4379837A | Process for the preparation of silver halide emulsions, photographic materials, and a process for the production of photographic images | Physics | 8 | Expired |
| US4045228A | Direct positive emulsions containing fogged, monodispersed silver halide grains having more than 10 mile % iodide | Physics | 7 | Expired |
| US3941595A | Photographic material containing fogged, direct positive silver halide emulsion and negative silver halide emulsion for the production of equidensities | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4297439A | Production of photographic silver halide emulsion | Physics | 5 | Expired |
| US5604087A | Process for the production of silver halide emulsions | Physics | 4 | Expired |
| US5547818A | Colour print material with variable gradation | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5385813A | Color photographic silver halide material | Physics | 1 | Expired |
| US5955254A | Production of silver halide emulsions | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.