Ronald Ferreira
3Patents
2h-index
4Co-inventors
30Inventor score
Filing activity: Mar 28, 1995 → Oct 15, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6115601A | Payment scheme for a mobile communication service | Electricity | 169 | Expired |
| US5748782A | Device for implementing a message signature system and chip card comprising such a device | Electricity | 25 | Expired |
| US5889622A | Data processing device including a microprocessor and an additional arithmetic unit | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.