Assignee
TSAI CHIN-HSING
TW·2 granted patents·1 pending application·19 citations·filing 2001–2013
Top patents by PatentIndex Score
3 records- 0152US6478323B2Transmission device for a chainless bicycleTSAI CHIN HSING·Filed 2001·Granted Nov 12, 2002·18 cites·8 claims
- 0244US8662515B2Movable wheelchair structureTSAI CHIN-HSING·Filed 2011·Granted Mar 4, 2014·1 cites·8 claims
- 0335US2015048593A1Backward WheelchairTSAI CHIN-HSING·Filed 2013·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →