Assignee
CHENG CHI-CHANG
TW·4 granted patents·2 pending applications·42 citations·filing 2012–2014
Top patents by PatentIndex Score
6 records- 0180US8768585B2Shift control system for power-assisted bicycleCHENG CHI-CHANG·Filed 2012·Granted Jul 1, 2014·15 cites·21 claims
- 0277US8886426B2Power-assisted bicycle with a gear shift smoothening functionCHENG CHI-CHANG·Filed 2012·Granted Nov 11, 2014·13 cites·21 claims
- 0372US9008931B2Bicycle gear shift control system capable of avoiding frequent gear shiftingCHENG CHI-CHANG·Filed 2012·Granted Apr 14, 2015·9 cites·4 claims
- 0463US8977450B2Automatic gear-shifting bicycle with optimal shift timingCHENG CHI-CHANG·Filed 2012·Granted Mar 10, 2015·5 cites·19 claims
- 0550US2015342147A1Pet carrierCHENG CHI-CHANG·Filed 2014·Application pending·0 cites
- 0636US2012325039A1Derailleur for electric bicycleCHENG CHI-CHANG·Filed 2012·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →