Qichen Ma
14Patents
7h-index
11Co-inventors
59Inventor score
Filing activity: Dec 6, 2012 → Dec 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD770719S1 | Powered pallet truck | General | 29 | Active |
| USD730614S1 | Personnel lift vehicle | General | 29 | Active |
| USD739112S1 | Powered pallet truck | General | 18 | Active |
| US9586605B2 | Powered pallet truck | Performing Operations; Transporting | 14 | Active |
| USD770720S1 | Powered pallet truck | General | 11 | Active |
| US10040674B2 | Cart with height adjustable platform and methods of using the same | Performing Operations; Transporting | 8 | Active |
| USD733389S1 | Personnel lift vehicle | General | 8 | Active |
| USD733390S1 | Personnel lift vehicle | General | 7 | Active |
| USD734589S1 | Personnel lift vehicle | General | 5 | Active |
| US9440830B2 | Personnel lift vehicle | Performing Operations; Transporting | 1 | Active |
| US12046769B2 | Battery structure and carrier vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US10214402B2 | Personnel lift vehicle | Performing Operations; Transporting | 1 | Active |
| US11981553B2 | Handle head and carrier with the same | Performing Operations; Transporting | 0 | Active |
| US11420858B2 | Personnel lift vehicle | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.