Inventor · disambiguated record
Chieh-Yuan Chen
Also filed as: CHEN CHIEH Y · CHEN CHIEH-YUAN
7 granted patents·4 pending applications·320 citations·filing 1977–2013
88Inventor score
Top patents by PatentIndex Score
11 records- 0194US6532890B2Speed indicator for a shifting device of bicycleAD II ENGINEERING INC·Filed 2001·Granted Mar 18, 2003·175 cites·6 claims
- 0285US6810764B2Bicycle speed change control deviceFiled 2003·Granted Nov 2, 2004·37 cites·10 claims
- 0374US6220111B1Bicycle speed changing deviceFiled 1999·Granted Apr 24, 2001·38 cites·11 claims
- 0460US9073183B2Rotary device for a cutting tool assembling and disassembling apparatusCHEN CHIEH-YUAN·Filed 2012·Granted Jul 7, 2015·3 cites·6 claims
- 0552US6244207B1Bicycle gear shift indicating deviceFiled 1999·Granted Jun 12, 2001·23 cites·17 claims
- 0644US4099530ACardiac pacer circuitry to facilitate testing of patient heart activity and pacer pulsesAMERICAN PACEMAKER CORP·Filed 1977·Granted Jul 11, 1978·33 cites·13 claims
- 0741US2013098196A1Shift control device for bicycleAD II ENGINEERING INC·Filed 2012·Application pending·0 cites
- 0837US2014319785A1Tool Holder with Tensioning DesignCHEN CHIEH-YUAN·Filed 2013·Application pending·0 cites
- 0933US2013270778A1Clamping device for a cutting tool assembling and disassembling apparatusCHEN CHIEH-YUAN·Filed 2012·Application pending·0 cites
- 1033US2002124678A1Shifting device for a bicycleFiled 2001·Application pending·0 cites
- 1132US6389920B1Mechanism for easy and precise control of gear shifting device of bicycleAD·Filed 1999·Granted May 21, 2002·11 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →