Qingfeng Ma
4Patents
1h-index
30Co-inventors
44Inventor score
Filing activity: Feb 25, 2013 → May 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD874795S1 | Heel protector for footwear | General | 3 | Active |
| US9482248B2 | Energy regeneration type forklift hydraulic system | Performing Operations; Transporting | 1 | Active |
| US11834141B1 | Heave survey platform | Performing Operations; Transporting | 0 | Active |
| US10683459B2 | Liquid-phase hydroisomerization system and process therefor and use thereof | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.