Inventor · disambiguated record
Hejinsheng Cao
Also filed as: CAO HEJINSHENG
9 granted patents·14 citations·filing 2013–2018
80Inventor score
Top patents by PatentIndex Score
9 records- 0187US10348100B2Battery balance circuit and battery apparatus thereofSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2016·Granted Jul 9, 2019·8 cites·9 claims
- 0282US9716954B2DC impedance detection circuit and method for speakerSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2016·Granted Jul 25, 2017·3 cites·16 claims
- 0374US10634728B2Method and apparatus for detecting state of batterySILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2017·Granted Apr 28, 2020·1 cites·20 claims
- 0464US9955257B2Class-D audio amplifierSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2016·Granted Apr 24, 2018·2 cites·12 claims
- 0555US10356541B2Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the sameSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2018·Granted Jul 16, 2019·0 cites·11 claims
- 0646US10164440B2Method of balancing battery powerSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2016·Granted Dec 25, 2018·0 cites·8 claims
- 0746US9645200B2Battery power measuring method, measuring device and battery-powered equipmentSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2013·Granted May 9, 2017·0 cites·9 claims
- 0845US10051394B2Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the sameSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2017·Granted Aug 14, 2018·0 cites·8 claims
- 0940US10181831B2Loudspeaker driving apparatus and loudspeaker driving methodSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2017·Granted Jan 15, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →