Ernst-Michael Hamann
6Patents
5h-index
6Co-inventors
45Inventor score
Filing activity: Aug 26, 1999 → Dec 12, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6516357B1 | System for accessing virtual smart cards for smart card application and data carrier | Electricity | 82 | Expired |
| US6296191A | Storing data objects in a smart card memory | Emerging Cross-Sectional Technologies | 78 | Expired |
| US6729549B2 | System and method for personalization of smart cards | Physics | 40 | Expired |
| US6981147B1 | Certification of multiple keys with new base and supplementary certificate types | Physics | 25 | Expired |
| US7096365B1 | Digital signature | Physics | 14 | Expired |
| US7003596B2 | System and method for accessing readers and other I/O devices by programs | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.