Assignee
CHENG MING-CHUAN
TW·4 granted patents·1 pending application·63 citations·filing 1994–2014
Top patents by PatentIndex Score
5 records- 0190US8286738B2Wheel set structure of an electric wheelchairCHENG MING-CHUAN·Filed 2009·Granted Oct 16, 2012·34 cites·10 claims
- 0268USD471278SOxygen concentratorCHENG MING-CHUAN·Filed 2002·Granted Mar 4, 2003·16 cites·1 claims
- 0360USD381293SElectric scooterCHENG MING-CHUAN·Filed 1994·Granted Jul 22, 1997·10 cites·1 claims
- 0445US2016089285A1Folding device for power scootersCHENG MING-CHUAN·Filed 2014·Application pending·0 cites
- 0539USD379944SElectric scooterCHENG MING-CHUAN·Filed 1994·Granted Jun 17, 1997·3 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →