Changchun Xu
12Patents
3h-index
10Co-inventors
53Inventor score
Filing activity: Oct 13, 2006 → Jul 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD547475S1 | Headlamp | General | 30 | Expired |
| USD553270S1 | Headlamp | General | 8 | Expired |
| USD570021S1 | Headlamp | General | 6 | Expired |
| US11540337B2 | Session handling method and apparatus | Electricity | 2 | Active |
| US10728829B2 | Mobile collaborative communication method and apparatus | Electricity | 2 | Active |
| US11653180B2 | Group communications method and system, and device | Electricity | 0 | Active |
| US11743075B2 | Communication method and apparatus | Electricity | 0 | Active |
| US11963242B2 | Communication method and apparatus | Electricity | 0 | Active |
| US11432205B2 | Data transmission method, communications apparatus, and user plane function entity | Electricity | 0 | Active |
| US11463280B2 | Communication method and device | Electricity | 0 | Active |
| US11064551B2 | Network management method and controller | Electricity | 0 | Active |
| US11910485B2 | Mobility management method and apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.