Michael S. Kupka
2Patents
2h-index
3Co-inventors
33Inventor score
Filing activity: Nov 13, 1998 → Feb 7, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6434535B1 | System for prepayment of electronic content using removable media and for prevention of unauthorized copying of same | Physics | 300 | Expired |
| US7246246B2 | System for keying protected electronic data to particular media to prevent unauthorized copying using a compound key | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.