Assignee
LIU JEN CHIH
TW·16 granted patents·15 pending applications·14 citations·filing 2006–2024
Top patents by PatentIndex Score
31 records- 0191US11565773B1Gear switching control device of an internal derailleurLIU JEN CHIH·Filed 2022·Granted Jan 31, 2023·2 cites·7 claims
- 0286US11732800B1Apparatus for avoiding disposition of clutch of vehicle speed change deviceLIU JEN CHIH·Filed 2022·Granted Aug 22, 2023·1 cites·9 claims
- 0377US12066100B2Electrical control apparatus of internal speed change device of wheel hub for gear switchingLIU JEN CHIH·Filed 2023·Granted Aug 20, 2024·0 cites·4 claims
- 0471US10041567B2Driving control system of internal clutchLIU JEN CHIH·Filed 2015·Granted Aug 7, 2018·3 cites·4 claims
- 0570US7654376B2Clutch capable of cushioning forward movement and guarding backward movementLIU JEN-CHIH·Filed 2006·Granted Feb 2, 2010·4 cites·4 claims
- 0666US2024175490A1Electrical control apparatus of internal speed change device of wheel hub for gear switchingLIU JEN CHIH·Filed 2022·Application pending·0 cites
- 0758US11981397B2Control device of internal speed change device of wheel hub for clutching operationLIU JEN CHIH·Filed 2023·Granted May 14, 2024·0 cites·7 claims
- 0858US7424941B2Clutch device with buffer functionLIU JEN-CHIH·Filed 2006·Granted Sep 16, 2008·1 cites·13 claims
- 0957US11958566B1Control device of internal speed change device of wheel hub for clutching operationLIU JEN CHIH·Filed 2022·Granted Apr 16, 2024·0 cites·6 claims
- 1057US11885701B2Bicycle torque detectorLIU JEN CHIH·Filed 2022·Granted Jan 30, 2024·0 cites·4 claims
- 1157US7419453B2Differential gear system with a three-step control mechanismLIU JEN-CHIH·Filed 2006·Granted Sep 2, 2008·2 cites·15 claims
- 1256US12065215B1Control device of internal speed change device of wheel hub for indirect clutching operationLIU JEN CHIH·Filed 2023·Granted Aug 20, 2024·0 cites·13 claims
- 1354US2026022763A1Vehicle electrical control apparatus with manual gear switching functionLIU JEN CHIH·Filed 2024·Application pending·0 cites
- 1452US10788089B2Speed differential device for a common double overrunning clutchLIU JEN CHIH·Filed 2019·Granted Sep 29, 2020·0 cites·7 claims
- 1550US9409625B2Support assembly for hub for an internal clutch with an external power input mechanismLIU JEN-CHIH·Filed 2014·Granted Aug 9, 2016·1 cites·7 claims
- 1650US2022221012A1Interior clutch-used control mechanismLIU JEN CHIH·Filed 2022·Application pending·0 cites
- 1750US2022213938A1Interior clutch-used control mechanismLIU JEN CHIH·Filed 2022·Application pending·0 cites
- 1848US10907691B2Speed differential device of double overrunning clutch deviceLIU JEN CHIH·Filed 2019·Granted Feb 2, 2021·0 cites·5 claims
- 1946US11255421B2Electric control box for control of linear movementLIU JEN CHIH·Filed 2020·Granted Feb 22, 2022·0 cites·6 claims
- 2045US2008287244A1Simple structural speed differential mechanismLIU JEN-CHIH·Filed 2007·Application pending·0 cites
- 2144US2014118146A1Intelligence ic lockLIU JEN-CHIH·Filed 2012·Application pending·0 cites
- 2244US2015323021A1Quick detaching inner clutchLIU JEN-CHIH·Filed 2014·Application pending·0 cites
- 2343US7442144B2Slide-proof structure between an outer wall of planet gear and planet frame of differential mechanismLIU JEN-CHIH·Filed 2006·Granted Oct 28, 2008·0 cites·16 claims
- 2442US2019242459A1Control assembly of an internal clutchLIU JEN CHIH·Filed 2018·Application pending·0 cites
- 2541US2015090071A1Crank assembly of a shaft driven bicycleLIU JEN-CHIH·Filed 2013·Application pending·0 cites
- 2641US2015246709A1Electromotive auxiliary power assembly for chainless shaft-power-transfer bicyclesLIU JEN-CHIH·Filed 2014·Application pending·0 cites
- 2740US2007225107A1Vehicle gear change deviceLIU JEN-CHIH·Filed 2006·Application pending·0 cites
- 2839US2022034373A1Interior clutch-used control mechanismLIU JEN CHIH·Filed 2020·Application pending·0 cites
- 2939US2015192483A1Torque measuring device for electromotive chainless bicyclesLIU JEN-CHIH·Filed 2014·Application pending·0 cites
- 3035US2017166282A1Crank assembly of a shaft driven bicycleLIU JEN-CHIH·Filed 2015·Application pending·0 cites
- 3134US2016305496A1Control assembly of an internal clutchLIU JEN-CHIH·Filed 2015·Application pending·0 cites
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