Klaus Bernhardt
12Patents
9h-index
15Co-inventors
69Inventor score
Filing activity: Nov 15, 1990 → Feb 27, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6599355B1 | Interference pigments with great color strength | Chemistry; Metallurgy | 80 | Expired |
| US5223360A | Materials coated with plate-like pigments | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5286291A | Pigments containing carbon black | Chemistry; Metallurgy | 44 | Expired |
| US6692561B1 | Intensely colored interference pigments | Chemistry; Metallurgy | 31 | Expired |
| US6579355B1 | Interference pigments | Chemistry; Metallurgy | 20 | Expired |
| US5302199A | Interference pigments | Chemistry; Metallurgy | 20 | Expired |
| US6508876B1 | Colored interference pigment | Chemistry; Metallurgy | 15 | Expired |
| US5322561A | Conductive flaky pigments | Chemistry; Metallurgy | 9 | Expired |
| US5827361A | Carbon-containing figments | Chemistry; Metallurgy | 9 | Expired |
| US7708823B2 | Semi-transparent interference pigments containing tin | Emerging Cross-Sectional Technologies | 5 | Active |
| US7611574B2 | Interference pigment with a high covering power | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8778494B2 | Pigment for laser marking | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.