Stefan Ljung
3Patents
3h-index
1Co-inventors
30Inventor score
Filing activity: Sep 7, 1988 → Dec 19, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4878142A | High resistance ground fault protection | Electricity | 59 | Expired |
| US4855861A | Longitudinal differential protection | Electricity | 15 | Expired |
| US4864453A | Protective relay with selective phase selection for double lines | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.