Lis-Marie Ljunggren
17Patents
13h-index
29Co-inventors
67Inventor score
Filing activity: Jul 15, 1997 → Dec 27, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6865232B1 | Multi-carrier transmission systems | Electricity | 82 | Expired |
| US6181714A | Multi-carrier transmission systems | Electricity | 79 | Expired |
| US6456649B1 | Multi-carrier transmission systems | Electricity | 62 | Expired |
| US6466629B1 | Multi-carrier transmission systems | Electricity | 55 | Expired |
| US6538986B2 | Data transmission system and method using nQAM constellation with a control channel superimposed on a user data channel | Electricity | 52 | Expired |
| US6493395B1 | Multi-carrier transmission systems | Electricity | 46 | Expired |
| US6363128B1 | Multi-carrier transmission systems | Electricity | 44 | Expired |
| US6438174B1 | Multi-carrier transmission systems | Electricity | 35 | Expired |
| US6359926B1 | Multi-carrier transmission systems | Electricity | 35 | Expired |
| US6366554B1 | Multi-carrier transmission systems | Electricity | 29 | Expired |
| US6751261B1 | Synchronisation | Electricity | 26 | Expired |
| US6320903A | Multi-carrier transmission systems | Electricity | 26 | Expired |
| US6160820A | Multi-carrier transmission systems | Electricity | 17 | Expired |
| US6738440B1 | Subscriber line transmission systems | Electricity | 5 | Expired |
| US6625112B1 | Synchronization | Electricity | 2 | Expired |
| US7239687B1 | Telecommunications | Electricity | 2 | Expired |
| US7039020B1 | Near-echo suppression | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.