Robert Chen
61Patents
23h-index
17Co-inventors
85Inventor score
Filing activity: Jun 22, 2001 → May 6, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD693414S1 | Electric scooter | General | 82 | Active |
| USD771196S1 | Drifting kart | General | 61 | Active |
| USD748738S1 | Electric scooter | General | 59 | Active |
| USD774981S1 | Drifting kart | General | 55 | Active |
| USD811489S1 | Electric scooter | General | 55 | Active |
| USD774145S1 | Electric scooter | General | 55 | Active |
| US8813892B2 | Braking device for a personal mobility vehicle | Mechanical Engineering; Lighting; Heating | 51 | Active |
| USD793480S1 | Drifting kart | General | 51 | Active |
| USD793481S1 | Drifting kart | General | 48 | Active |
| USD484073S1 | Tricycle | General | 47 | Expired |
| US10099745B2 | Braking device for a personal mobility vehicle | Mechanical Engineering; Lighting; Heating | 42 | Active |
| USD786994S1 | Self-balancing two-wheeled board | General | 42 | Active |
| US8820460B2 | Powered personal mobility vehicle with rotating wheels | Emerging Cross-Sectional Technologies | 40 | Active |
| US9321504B2 | Braking device for a personal mobility vehicle | Mechanical Engineering; Lighting; Heating | 40 | Active |
| USD830469S1 | Drifting kart | General | 37 | Active |
| USD890854S1 | Drifting kart | General | 35 | Active |
| USD820733S1 | Drifting kart | General | 31 | Active |
| USD830470S1 | Drifting kart | General | 31 | Active |
| USD852893S1 | Drifting kart | General | 30 | Active |
| US10737743B2 | Braking device for a personal mobility vehicle | Mechanical Engineering; Lighting; Heating | 29 | Active |
| USD914102S1 | Electric scooter | General | 27 | Active |
| USD852892S1 | Drifting kart | General | 24 | Active |
| USD941930S1 | Electric scooter | General | 23 | Active |
| US10434860B2 | Kart | Emerging Cross-Sectional Technologies | 23 | Active |
| USD874986S1 | Drifting kart | General | 23 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.