Inventor · disambiguated record
He-Chi Chang
Also filed as: CHANG HE-CHI · CHANG HE-YI
3 granted patents·20 citations·filing 2007–2013
58Inventor score
Top patents by PatentIndex Score
3 records- 0186US9144183B2EMI compartment shielding structure and fabricating method thereofUNIVERSAL SCIENT IND SHANGHAI·Filed 2013·Granted Sep 22, 2015·20 cites·14 claims
- 0242US7978954B2Rotation speed control apparatus for disk recorder and method thereofSUNPLUS TECHNOLOGY CO LTD·Filed 2007·Granted Jul 12, 2011·0 cites·16 claims
- 0341US8072861B2Method for determining completeness of optical disc and method for playing optical discCHANG HE-CHI·Filed 2008·Granted Dec 6, 2011·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →