Inventor · San Marino, CA, US

Robert Chen

61Patents
23h-index
17Co-inventors
85Inventor score

Filing activity: Jun 22, 2001 → May 6, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
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.