Inventor · disambiguated record
Qingshan Liu
Also filed as: LIU QINGSHAN
4 granted patents·2 pending applications·370 citations·filing 1990–2022
81Inventor score
Top patents by PatentIndex Score
6 records- 0194US5601301ADrive system for muscle-powered equipment and vehicles, in particular bicyclesFiled 1994·Granted Feb 11, 1997·317 cites·14 claims
- 0284US9317124B2Command input by hand gestures captured from cameraKONGQIAO WANG·Filed 2006·Granted Apr 19, 2016·24 cites·23 claims
- 0359USD640337SFitness deviceLIU QINGSHAN·Filed 2010·Granted Jun 21, 2011·13 cites·1 claims
- 0452US5354083ADrive system for muscle-powered equipment and vehicles, in particular bicyclesLIU QINGSHAN·Filed 1990·Granted Oct 11, 1994·16 cites·43 claims
- 0546US2025033286A1Object Shoveling Mechanism, 3D Printer and 3D Printing MethodGUANGZHOU HEYGEARS IMC INC·Filed 2022·Application pending·0 cites
- 0643US2015008779A1Disc-type electric machine with amorphous iron alloy axial magnetic circuit as well as its manufacturing method and stator assemblySHI LEI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →