Cheng Yan
4Patents
3h-index
10Co-inventors
51Inventor score
Filing activity: Mar 19, 1993 → Aug 3, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5381327A | Electrical power inverter | Electricity | 191 | Expired |
| US7023186B2 | Two stage boost converter topology | Electricity | 31 | Expired |
| US5657220A | Electrical power inverter | Electricity | 16 | Expired |
| US11618700B1 | Recycling purification and reuse system for farmland tail water | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.