Inventor · disambiguated record
Chao-Feng Chang
Also filed as: CHANG CHAO-FENG
0 granted patents·5 pending applications·0 citations·filing 2010–2013
Top patents by PatentIndex Score
5 records- 0144US2014225842A1Method of controlling unlocking operation of a device driver of an android-based deviceIII TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 0240US2010274144A1Measurement circuit for heart rate variabilityUNIV CHUNG YUAN CHRISTIAN·Filed 2010·Application pending·0 cites
- 0340US2010274109A1Measurement apparatus for heart rate variabilityUNIV CHUNG YUAN CHRISTIAN·Filed 2010·Application pending·0 cites
- 0440US2010262025A1Apparatus for measurement of heart rate variabilityUNIV CHUNG YUAN CHRISTIAN·Filed 2010·Application pending·0 cites
- 0540US2010262024A1Heart rate variability measurement methodUNIV CHUNG YUAN CHRISTIAN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →