Inventor · disambiguated record
Tun-Chieh Chang
Also filed as: CHANG TUN-CHIEH
2 granted patents·0 citations·filing 2015–2017
27Inventor score
Technology areasH04N
Files withMEDIATEK INC2
Top patents by PatentIndex Score
2 records- 0148US10148867B2Camera auto-focus apparatus for performing lens position compensation to determine focused lens position and related camera auto-focus methodMEDIATEK INC·Filed 2017·Granted Dec 4, 2018·0 cites·3 claims
- 0243US9729776B2Camera auto-focus apparatus for performing lens position compensation to determine focused lens position and related camera auto-focus methodMEDIATEK INC·Filed 2015·Granted Aug 8, 2017·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →