Inventor · disambiguated record
Yi-Chao Chang
Also filed as: CHANG YI-CHAO
3 granted patents·2 pending applications·5 citations·filing 2005–2025
60Inventor score
Top patents by PatentIndex Score
5 records- 0192US11827970B2Shutter disc for a semiconductor processing toolTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Nov 28, 2023·3 cites·20 claims
- 0289US12215414B2Shutter disc for a semiconductor processing toolTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Feb 4, 2025·1 cites·20 claims
- 0374US10161060B2Gas-supply system and methodTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2014·Granted Dec 25, 2018·1 cites·19 claims
- 0471US2025137114A1Shutter disc for a semiconductor processing toolTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 0537US2006288844A1Data processing method capable of reconstructing lost or erroneous dataCHANG YI-CHAO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →