Inventor · disambiguated record
Li-Chih Chang
Also filed as: CHANG LI · CHANG LI-CHIH
5 granted patents·3 pending applications·14 citations·filing 2008–2023
71Inventor score
Top patents by PatentIndex Score
8 records- 0176US8844814B2Radio frequency identification automatic detecting system with antenna netLIU TAI-HWA·Filed 2012·Granted Sep 30, 2014·8 cites·7 claims
- 0252US2024022134A1Magnetic driving apparatusCHANG LI·Filed 2023·Application pending·0 cites
- 0350US2023216369A1Magnetic driving apparatusCHANG LI·Filed 2022·Application pending·0 cites
- 0449US7920364B2Power supply with adjustable outputted voltageCHANG LI-CHIH·Filed 2008·Granted Apr 5, 2011·2 cites·14 claims
- 0548US2023032260A1Magnetic driving apparatusCHANG LI·Filed 2022·Application pending·0 cites
- 0646US7787274B2Power supply with adjustable outputted voltageCHANG LI-CHIH·Filed 2008·Granted Aug 31, 2010·4 cites·12 claims
- 0740US10249778B2Solar cell structure for wireless chargingIND TECH RES INST·Filed 2015·Granted Apr 2, 2019·0 cites·15 claims
- 0836US10977545B2Radio frequency screw antenna and radio frequency screw tagNATIONAL CHANGHUA UNIV OF EDUCATION·Filed 2019·Granted Apr 13, 2021·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →