Stefan Hellqvist
3Patents
3h-index
7Co-inventors
39Inventor score
Filing activity: Oct 31, 2000 → Nov 8, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6693623B1 | Measuring applications for an electronic reading device | Electricity | 26 | Expired |
| US6839623B1 | Positioning applications for an electronic reading device | Electricity | 21 | Expired |
| US7196825B2 | Printer pen | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.