Mario Keller
14Patents
6h-index
25Co-inventors
62Inventor score
Filing activity: Feb 20, 2001 → Sep 2, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7479320B2 | Security element and method for producing the same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US9399366B2 | Security element | Performing Operations; Transporting | 9 | Active |
| US8333870B2 | Security paper | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8603615B2 | Security element | Emerging Cross-Sectional Technologies | 7 | Active |
| US8685488B2 | Method for producing a microstructure | Emerging Cross-Sectional Technologies | 7 | Active |
| US7758078B2 | Security element and method for producing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7637537B2 | Laminated multi-layer card with an inlaid security element in the form of relief structures | Performing Operations; Transporting | 5 | Expired |
| US8449969B2 | Security element for security papers and valuable documents | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8317231B2 | Security element with metallization | Performing Operations; Transporting | 3 | Active |
| US9486719B2 | Filter element, device for folding a filter medium web and process for producing a zigzag-folded filter element | Performing Operations; Transporting | 2 | Active |
| US10486455B2 | Application device | Performing Operations; Transporting | 1 | Active |
| US8920663B2 | Production of a security element provided with colored micro-depressions | Performing Operations; Transporting | 1 | Active |
| US7989055B2 | Security element and method for producing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US11745474B2 | Composite glass with an intermediate film that changes colour depending on the viewing angle | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.