Ralf Emmert
6Patents
4h-index
13Co-inventors
50Inventor score
Filing activity: Oct 22, 1987 → Feb 5, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6019831A | Non-lustrous pigments | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5009711A | Golden color luster pigments | Chemistry; Metallurgy | 21 | Expired |
| US4780140A | Platelet-shaped iron oxide pigments | Chemistry; Metallurgy | 12 | Expired |
| US5718906A | Light-stable cosmetic composition | Human Necessities | 9 | Expired |
| US5656262A | Skin-coloring powder mixture | Human Necessities | 1 | Expired |
| US6399044B1 | Skin-coloring powder mixture | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.