Inventor · disambiguated record
Ik Sang Lee
Also filed as: LEE IK H · LEE IK HAENG · LEE IK SANG
14 granted patents·36 pending applications·10 citations·filing 2002–2025
85Inventor score
Files withPI ADVANCED MAT CO LTD31DOOSAN ENERBILITY CO LTD4DOOSAN HEAVY IND & CONSTRUCTION CO LTD4LEE IK-SANG2SAMSUNG DISPLAY CO LTD2
Top patents by PatentIndex Score
50 records- 0186US11326478B2Strut structure with strip for exhaust diffuser and gas turbine having the sameDOOSAN HEAVY IND & CONSTRUCTION CO LTD·Filed 2020·Granted May 10, 2022·2 cites·16 claims
- 0280US9971177B2Display deviceSAMSUNG DISPLAY CO LTD·Filed 2015·Granted May 15, 2018·2 cites·18 claims
- 0373US11873726B2Exhaust diffuser strut for reducing flow separationDOOSAN ENERBILITY CO LTD·Filed 2023·Granted Jan 16, 2024·0 cites·10 claims
- 0473US10871073B2Turbine blade, turbine including same turbine blade, and gas turbine including same turbineDOOSAN HEAVY IND & CONSTRUCTION CO LTD·Filed 2018·Granted Dec 22, 2020·2 cites·12 claims
- 0569US10837289B2Gas turbine bladeDOOSAN HEAVY IND CONSTR CO LTD·Filed 2016·Granted Nov 17, 2020·2 cites·8 claims
- 0669US2024150611A1Polyamic acid varnishPI ADVANCED MAT CO LTD·Filed 2023·Application pending·0 cites
- 0768US2025257172A1Polyamic acid composition, method for preparing polyamic acid composition, polyimide comprising the same and coating material comprising the samePI ADVANCED MAT CO LTD·Filed 2025·Application pending·0 cites
- 0868US2025043084A1High-heat-resistant and chemical-resistant polyimide powder using glass fiber powder, and preparation method thereforPI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 0968US2025101180A1Polyimide powder with improved conductivity using graphene and manufacturing method thereforPI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 1066US11719131B2Exhaust diffuser strut for reducing flow separationDOOSAN ENERBILITY CO LTD·Filed 2021·Granted Aug 8, 2023·0 cites·8 claims
- 1166US2024218126A1Polyimide molded product and manufacturing method thereofPI ADVANCED MAT CO LTD·Filed 2023·Application pending·0 cites
- 1265US9713278B2Display apparatusSAMSUNG DISPLAY CO LTD·Filed 2014·Granted Jul 18, 2017·1 cites·17 claims
- 1364US10851662B2Sealing structure for turbines, and turbine and gas turbine having the sameDOOSAN HEAVY IND & CONSTRUCTION CO LTD·Filed 2018·Granted Dec 1, 2020·1 cites·16 claims
- 1464US2025075100A1Polyimide varnish with improved pulse endurance and polyimide coating material prepared thereofPI ADVANCED MAT CO LTD·Filed 2024·Application pending·0 cites
- 1564US2022267528A1Polyamic acid composition, method for preparing polyamic acid composition, polyimide comprising the same and coating material comprising the samePI ADVANCED MAT CO LTD·Filed 2019·Application pending·0 cites
- 1664US2024204194A1Polyamic acid compositionPI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 1764US2024409689A1Polyimide powder and preparation method thereforPI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 1863US2025002752A1Polyimide varnish for high-functional conductor coating and polyimide coating prepared therefromPI ADVANCED MAT CO LTD·Filed 2024·Application pending·0 cites
- 1963US2025002753A1Polyimide varnish with improved pulse endurance and polyimide coating material prepared therefromPI ADVANCED MAT CO LTD·Filed 2024·Application pending·0 cites
- 2062US2025368782A1Polyimide varnish with improved adhesion and polyimide film comprising the samePI ADVANCED MAT CO LTD·Filed 2025·Application pending·0 cites
- 2161US2025368781A1Polyamic acid compositionPI ADVANCED MAT CO LTD·Filed 2023·Application pending·0 cites
- 2259US11905431B2Polyimide varnish comprising aromatic carboxylic acid for conductor coating and manufacturing method thereforPI ADVANCED MAT CO LTD·Filed 2018·Granted Feb 20, 2024·0 cites·22 claims
- 2359US2024110010A1Polyimide powder having controlled particle size and method for preparing samePI ADVANCED MAT CO LTD·Filed 2020·Application pending·0 cites
- 2457US11506145B2Exhaust diffuser hub structure for reducing flow separationDOOSAN ENERBILITY CO LTD·Filed 2021·Granted Nov 22, 2022·0 cites·16 claims
- 2557US2023416465A1Polyamic acid composition, and polyimide comprising samePI ADVANCED MAT CO LTD·Filed 2020·Application pending·0 cites
- 2657US2023416464A1Polyamic acid composition, and polyimide comprising samePI ADVANCED MAT CO LTD·Filed 2020·Application pending·0 cites
- 2757US2024002601A1Polyamic acid composition, and polyimide comprising samePI ADVANCED MAT CO LTD·Filed 2020·Application pending·0 cites
- 2857US2024018307A1Polyamic acid composition, and polyimide comprising samePI ADVANCED MAT CO LTD·Filed 2020·Application pending·0 cites
- 2957US2024002600A1Polyamic acid composition, and polyimide comprising samePI ADVANCED MAT CO LTD·Filed 2020·Application pending·0 cites
- 3056US12479959B2Polyamic acid composition, method for preparing polyamic acid composition, polyimide comprising the same and coating material comprising the samePI ADVANCED MAT CO LTD·Filed 2019·Granted Nov 25, 2025·0 cites·12 claims
- 3155US2025019541A1Polyamic acid composition and method for preparing samePI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 3255US2024228792A1Black varnish and film containing samePI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 3355US2024318034A1Polyamic acid composition and polyimide coating material comprising samePI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 3453US2007230097A1Cover plate and plasma display apparatus including the sameLEE IK-SANG·Filed 2007·Application pending·0 cites
- 3551US10669860B2Gas turbine bladeDOOSAN HEAVY IND & CONSTRUCTION CO LTD·Filed 2018·Granted Jun 2, 2020·0 cites·18 claims
- 3651US2007051660A1Packing module and packing assembly having the sameLEE IK-SANG·Filed 2006·Application pending·0 cites
- 3751US2007054524A1Packing module and packing assembly comprising the sameLEE HYUN-YE·Filed 2006·Application pending·0 cites
- 3849US2010141614A1Plasma display apparatusSOHN KWON·Filed 2009·Application pending·0 cites
- 3947US12139581B2Polyamic acid composition for packaging electronic components, and method for packaging electronic components using samePI ADVANCED MAT CO LTD·Filed 2019·Granted Nov 12, 2024·0 cites·14 claims
- 4046US2022282088A1Polyamic acid composition, method for preparing polyamic acid composition and polyimide comprising the samePI ADVANCED MAT CO LTD·Filed 2019·Application pending·0 cites
- 4146US2025230328A1Polyamic acid composition and method for preparing samePI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 4245US2024417592A1Polyimide coating materialPI ADVANCED MAT CO LTD·Filed 2022·Application pending·0 cites
- 4343US2006201428A1Shower head and method of fabricating the samePARK YOUNG H·Filed 2006·Application pending·0 cites
- 4442US2009034179A1Plasma display apparatusCHOI JIN-SEEK·Filed 2008·Application pending·0 cites
- 4540US2005158469A1Reactor for thin film deposition and method for depositing thin film on wafer using the reactorFiled 2005·Application pending·0 cites
- 4639US11655730B2Strut structure of gas turbine, an exhaust diffuser and gas turbine including the sameDOOSAN ENERBILITY CO LTD·Filed 2020·Granted May 23, 2023·0 cites·11 claims
- 4739US2022195119A1Polyamic acid composition for producing polyimide resin with superior adhesion and polyimide resin produced therefromPI ADVANCED MAT CO LTD·Filed 2018·Application pending·0 cites
- 4835US2004191413A1Reactor for thin film deposition and method for depositing thin film on wafer using the reactorFiled 2002·Application pending·0 cites
- 4935US2022119676A1Polyamic acid composition for manufacturing display substrate and method for manufacturing substrate for display by using samePI ADVANCED MAT CO LTD·Filed 2019·Application pending·0 cites
- 5034US2022002489A1Polyamic acid composition for packaging electronic components, and method for packaging electronic components using samePI ADVANCED MAT CO LTD·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →