Inventor · disambiguated record
I-Fan Chang
Also filed as: CHANG I-FAN
17 granted patents·8 pending applications·32 citations·filing 2010–2024
89Inventor score
Top patents by PatentIndex Score
25 records- 0196US10062764B1Semiconductor device having void between gate electrode and sidewall spacer and manufacturing method thereofUNITED MICROELECTRONICS CORP·Filed 2017·Granted Aug 28, 2018·19 cites·10 claims
- 0288US10170573B1Semiconductor device and fabrication method thereofUNITED MICROELECTRONICS CORP·Filed 2017·Granted Jan 1, 2019·6 cites·10 claims
- 0387US9691901B2Semiconductor deviceUNITED MICROELECTRONICS CORP·Filed 2015·Granted Jun 27, 2017·6 cites·12 claims
- 0483US12150313B2Magnetoresistive random access memory having a blocking layer on metal interconnectionUNITED MICROELECTRONICS CORP·Filed 2023·Granted Nov 19, 2024·0 cites·9 claims
- 0583US2025048648A1Magnetoresistive random access memory and method for fabricating the sameUNITED MICROELECTRONICS CORP·Filed 2024·Application pending·0 cites
- 0679US11849592B2Magnetoresistive random access memory and method for fabricating the sameUNITED MICROELECTRONICS CORP·Filed 2022·Granted Dec 19, 2023·0 cites·9 claims
- 0778US12052932B2Semiconductor deviceUNITED MICROELECTRONICS CORP·Filed 2023·Granted Jul 30, 2024·0 cites·7 claims
- 0877US12052933B2Semiconductor deviceUNITED MICROELECTRONICS CORP·Filed 2023·Granted Jul 30, 2024·0 cites·7 claims
- 0976US12514131B2Method for fabricating semiconductor deviceUNITED MICROELECTRONICS CORP·Filed 2023·Granted Dec 30, 2025·0 cites·2 claims
- 1073US11239082B2Method for fabricating semiconductor deviceUNITED MICROELECTRONICS CORP·Filed 2019·Granted Feb 1, 2022·1 cites·8 claims
- 1171US11456331B2Magnetoresistive random access memory and method for fabricating the sameUNITED MICROELECTRONICS CORP·Filed 2020·Granted Sep 27, 2022·0 cites·20 claims
- 1267US11665978B2Semiconductor device and method for fabricating the sameUNITED MICROELECTRONICS CORP·Filed 2020·Granted May 30, 2023·0 cites·8 claims
- 1361US2021151664A1Semiconductor device and method for fabricating the sameUNITED MICROELECTRONICS CORP·Filed 2019·Application pending·0 cites
- 1459US2025351375A1Semiconductor structure and manufacturing method thereofUNITED MICROELECTRONICS CORP·Filed 2024·Application pending·0 cites
- 1559US2024373754A1Semiconductor structure and forming method thereofUNITED MICROELECTRONICS CORP·Filed 2023·Application pending·0 cites
- 1659US2025087559A1Tsv structure and fabricating method of the sameUNITED MICROELECTRONICS CORP·Filed 2023·Application pending·0 cites
- 1758US10468493B2Method for manufacturing gate stack structureUNITED MICROELECTRONICS CORP·Filed 2018·Granted Nov 5, 2019·0 cites·9 claims
- 1857US11800723B2Layout pattern of magnetoresistive random access memoryUNITED MICROELECTRONICS CORP·Filed 2020·Granted Oct 24, 2023·0 cites·10 claims
- 1955US10388749B2Manufacturing method of semiconductor deviceUNITED MICROELECTRONICS CORP·Filed 2018·Granted Aug 20, 2019·0 cites·8 claims
- 2054US10186594B2Semiconductor device having metal gateUNITED MICROELECTRONICS CORP·Filed 2017·Granted Jan 22, 2019·0 cites·6 claims
- 2152US10366896B2Semiconductor device and method for fabricating the sameUNITED MICROELECTRONICS CORP·Filed 2017·Granted Jul 30, 2019·0 cites·7 claims
- 2248US2024365679A1Semiconductor layout pattern and manufacturing method thereofUNITED MICROELECTRONICS CORP·Filed 2023·Application pending·0 cites
- 2346US2021135092A1Semiconductor device and method for fabricating the sameUNITED MICROELECTRONICS CORP·Filed 2019·Application pending·0 cites
- 2444US10002966B1Field effect transistor and device thereofUNITED MICROELECTRONICS CORP·Filed 2017·Granted Jun 19, 2018·0 cites·18 claims
- 2536US2012025838A1Sunlight simulatorLEE CHING-LIN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →