Inventor · disambiguated record
Wai-Shing Yung
Also filed as: YUNG WAI-SHING
19 granted patents·13 pending applications·25 citations·filing 2007–2025
91Inventor score
Files withASCEND PERFORMANCE MAT OPERATIONS LLC28DU PONT2ASCEND PERFORMACE MAT OPERATIONS LLC1INVISTA NORTH AMERICA SARL1
Top patents by PatentIndex Score
32 records- 0195US11376534B2Polyamide nanofiber nonwovens for filtersASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2020·Granted Jul 5, 2022·8 cites·19 claims
- 0295US10662561B2Polyamide nanofiber nonwovensASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2018·Granted May 26, 2020·9 cites·21 claims
- 0394US11505701B2Antimicrobial polymer resins, fibers, and yarns with phosphorus contentASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2019·Granted Nov 22, 2022·2 cites·17 claims
- 0493US11185071B2Anti-microbial polymer compositions, fibers, and yarnsASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2019·Granted Nov 30, 2021·3 cites·19 claims
- 0589US11965275B2Method for forming nanofiber nonwoven productsASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Granted Apr 23, 2024·1 cites·13 claims
- 0689US11758909B2Antimicrobial nonwoven polyamides with zinc contentASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2019·Granted Sep 19, 2023·1 cites·17 claims
- 0786US12215225B2Antimicrobial polymer resins, fibers, and yarns with phosphorus contentASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2022·Granted Feb 4, 2025·0 cites·18 claims
- 0886US2023242735A1Antiviral articlesASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 0985US11421359B2Polyamide nanofiber nonwovensASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2020·Granted Aug 23, 2022·1 cites·18 claims
- 1082US2025287952A1Antimicrobial nonwoven polyamides with zinc contentASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2025·Application pending·0 cites
- 1181US11674247B2Polyamide nanofiber nonwovensASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2022·Granted Jun 13, 2023·0 cites·20 claims
- 1281US11111614B2Method for tuning characteristics of a polyamide nanofiber nonwovenASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2019·Granted Sep 7, 2021·0 cites·19 claims
- 1378US12336539B2Antimicrobial nonwoven polyamides with zinc contentASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2023·Granted Jun 24, 2025·0 cites·18 claims
- 1477US11578438B2Polyamide nanofiber nonwovens for acoustic applicationsASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Granted Feb 14, 2023·0 cites·17 claims
- 1576US11618810B2Antiviral articlesASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Granted Apr 4, 2023·0 cites·16 claims
- 1674US12041931B2Antimicrobial polymer compositions, fibers, and yarnsASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Granted Jul 23, 2024·0 cites·14 claims
- 1773US2025136811A1Antimicrobial polymer resins, fibers, and yarns with phosphorus contentASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2025·Application pending·0 cites
- 1873US2024301112A1Fibers and fabrics with nitrogen-containing additivesASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 1971US12043721B2Antiviral/antimicrobial polymer compositions, fibers, and productsASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Granted Jul 23, 2024·0 cites·31 claims
- 2068US2023363384A1Alkali-treated fabrics/fibers/staples with antimicrobial propertiesASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 2159US2023193519A1Polymers having stain resistance and antimicrobial/antiviral propertiesASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2022·Application pending·0 cites
- 2257US11353425B2Method for measuring static attraction propensityASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2020·Granted Jun 7, 2022·0 cites·22 claims
- 2357US2021186025A1Processes for producing fiber and fabrics with zinc contentASCEND PERFORMACE MAT OPERATIONS LLC·Filed 2020·Application pending·0 cites
- 2457US2023175197A1Am/av metal loading via wet treatmentASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2022·Application pending·0 cites
- 2556US2022134968A1Polyamide Nonwovens in Sound Absorbing Multi-Layer CompositesASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Application pending·0 cites
- 2655US12383851B2Filters and facemasks having antimicrobial or antiviral propertiesASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Granted Aug 12, 2025·0 cites·19 claims
- 2755US9610588B2Electret nanofibrous web as air filtration mediaDU PONT·Filed 2014·Granted Apr 4, 2017·0 cites·7 claims
- 2854US11618238B2Nonwoven multilayer structures having nanofiber layersASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2020·Granted Apr 4, 2023·0 cites·16 claims
- 2950US2022054964A1Filter media structuresASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2021·Application pending·0 cites
- 3049US2015111019A1Electret nanofibrous webDU PONT·Filed 2014·Application pending·0 cites
- 3149US2008090945A1Polyamide composition with improved heat stability and whitenessINVISTA NORTH AMERICA SARL·Filed 2007·Application pending·0 cites
- 3240US2019194847A1Solution-Spun Polyamide Nanofiber NonwovensASCEND PERFORMANCE MAT OPERATIONS LLC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →