Inventor · disambiguated record
Seung Gyun Ahn
Also filed as: AHN SEUNG GYUN
5 granted patents·7 pending applications·7 citations·filing 2001–2023
70Inventor score
Top patents by PatentIndex Score
12 records- 0178US7914948B2Metallic bipolar plate for fuel cell and method for forming surface layer of the sameHYUNDAI MOTOR CO LTD·Filed 2008·Granted Mar 29, 2011·3 cites·9 claims
- 0270US10876203B2Fuel cell separator and coating method for fuel cell separatorHYUNDAI MOTOR CO LTD·Filed 2019·Granted Dec 29, 2020·0 cites·8 claims
- 0366US10329665B2Fuel cell separator and coating method of seperator for fuel cell separatorHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jun 25, 2019·0 cites·6 claims
- 0463US8636947B2Metal separator for fuel cell and surface treatment method thereofNAM YOUNG MIN·Filed 2010·Granted Jan 28, 2014·1 cites·7 claims
- 0561US8109248B2Valve lifter and surface treatment method thereofLYO IN WOONG·Filed 2008·Granted Feb 7, 2012·3 cites·9 claims
- 0658US2010233371A1Polytetrafluoroethylene coating agent, method of preparation and useHYUNDAI MOTOR CO LTD·Filed 2009·Application pending·0 cites
- 0757US2010015499A1Metallic bipolar plate for fuel cell and method for forming surface layer thereofHYUNDAI MOTOR CO LTD·Filed 2009·Application pending·0 cites
- 0853US2024399283A1Vacuum carburizing harmful exhaust gase reducction apparatus and vacuum carburizing harmful exhaust gase reducction method using the sameDONGWOO HST CO LTD·Filed 2023·Application pending·0 cites
- 0951US2012231372A1Metallic bipolar plate for fuel cell and method for forming surface layer thereofLYO IN WOONG·Filed 2012·Application pending·0 cites
- 1051US2023395821A1Fuel cell separator and method for manufacturing sameCHUNG WON KI·Filed 2021·Application pending·0 cites
- 1140US2011135812A1Metal separator for fuel cell and method for treating surface of the sameHYUNDAI MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 1232US2002069939A1Method of manufacturing an HLA for an internal combustion engineFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →