Inventor · disambiguated record
Ronnie Chee Keung Fan
Also filed as: FAN RONNIE CHEE KEUNG
5 granted patents·142 citations·filing 1998–2006
83Inventor score
Files withFAN RONNIE CHEE KEUNG1
Top patents by PatentIndex Score
5 records- 0181US7621547B1Occupant-pedaled drive mechanism for scooterFAN RONNIE CHEE KEUNG·Filed 2006·Granted Nov 24, 2009·22 cites·5 claims
- 0276US6270102B1Drive mechanism for scooterFiled 1999·Granted Aug 7, 2001·49 cites·15 claims
- 0359US6241269B1Drive mechanism for vehicleFiled 1999·Granted Jun 5, 2001·29 cites·11 claims
- 0458US6079727AOccupant pedaled skateboardFiled 1998·Granted Jun 27, 2000·29 cites·14 claims
- 0538US6131933ADrive mechanism for vehicleFiled 1998·Granted Oct 17, 2000·13 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →