Inventor · disambiguated record
Seong Il Heo
Also filed as: HEO SEONG IL
22 granted patents·8 pending applications·12 citations·filing 2009–2024
90Inventor score
Top patents by PatentIndex Score
30 records- 0190US11367883B2Elastomeric cell frame for fuel cell, method of manufacturing same, and unit cell using sameHYUNDAI MOTOR CO LTD·Filed 2019·Granted Jun 21, 2022·3 cites·18 claims
- 0283US8785063B2Fuel cell stack with water drainage structureYANG YOO CHANG·Filed 2011·Granted Jul 22, 2014·5 cites·7 claims
- 0381US11171340B2Unit cell for fuel cellHYUNDAI MOTOR CO LTD·Filed 2020·Granted Nov 9, 2021·1 cites·16 claims
- 0481US10403907B2Separator for a fuel cellHYUNDAI MOTOR CO LTD·Filed 2017·Granted Sep 3, 2019·1 cites·11 claims
- 0571US8338035B2Separator for fuel cellCHIN SANG MUN·Filed 2009·Granted Dec 25, 2012·2 cites·4 claims
- 0670US11183697B2Separator for a fuel cell including a first separator plate regulating an assembly position of a second separator plateHYUNDAI MOTOR CO LTD·Filed 2019·Granted Nov 23, 2021·0 cites·11 claims
- 0768US11641018B2Unit cell of fuel cell and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2021·Granted May 2, 2023·0 cites·8 claims
- 0867US2025201872A1Unit cell of a fuel cell stack and a manufacturing method thereofHYUNDAI MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0966US2025183329A1Separator for fuel cell and unit cell for fuel cell including the sameHYUNDAI MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1064US11374239B2Frame gasket for fuel cell and method of molding the sameHYUNDAI MOTOR CO LTD·Filed 2020·Granted Jun 28, 2022·0 cites·13 claims
- 1164US9806353B2Fuel cell separator with gasket and method for manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2014·Granted Oct 31, 2017·0 cites·4 claims
- 1260US10777837B2Fuel cell stackHYUNDAI MOTOR CO LTD·Filed 2018·Granted Sep 15, 2020·0 cites·14 claims
- 1360US10128479B2Method for manufacturing separator of fuel cell stackHYUNDAI MOTOR CO LTD·Filed 2016·Granted Nov 13, 2018·0 cites·9 claims
- 1459US11024866B2Elastomeric cell frame for fuel cell, method of manufacturing same, and unit cell having sameHYUNDAI MOTOR CO LTD·Filed 2019·Granted Jun 1, 2021·0 cites·20 claims
- 1557US10686200B2Frame gasket for fuel cell and method of molding the sameHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jun 16, 2020·0 cites·14 claims
- 1657US10147964B2Gasket for fuel cellHYUNDAI MOTOR CO LTD·Filed 2014·Granted Dec 4, 2018·0 cites·7 claims
- 1756US10305123B2Fuel cell separator with gasket for improved sealingHYUNDAI MOTOR CO LTD·Filed 2016·Granted May 28, 2019·0 cites·8 claims
- 1856US8822099B2Fuel cell separator with gasket and method for manufacturing the sameCHIN SANG MUN·Filed 2011·Granted Sep 2, 2014·0 cites·8 claims
- 1953US9472815B2Separator for fuel cell and method for manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2013·Granted Oct 18, 2016·0 cites·7 claims
- 2053US8497048B2Fuel cell separator having airtight gasketCHIN SANG MUN·Filed 2009·Granted Jul 30, 2013·0 cites·9 claims
- 2152US2015118587A1Fuel cell stack including dummy cellHYUNDAI MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 2251US10811701B2Fuel cell stackHYUNDAI MOTOR CO LTD·Filed 2018·Granted Oct 20, 2020·0 cites·10 claims
- 2350US11658313B2Separator assembly for fuel cell and fuel cell stack including sameHYUNDAI MOTOR CO LTD·Filed 2019·Granted May 23, 2023·0 cites·4 claims
- 2449US2019393529A1Unit cell of fuel cell and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2018·Application pending·0 cites
- 2547US9496563B2Slip sheet for fuel cell stackHYUNDAI MOTOR CO LTD·Filed 2013·Granted Nov 15, 2016·0 cites·4 claims
- 2646US8921008B2Fuel cell separator with gasket and method for manufacturing the sameKIM SAE HOON·Filed 2011·Granted Dec 30, 2014·0 cites·3 claims
- 2746US2019131635A1Cell Frame for Fuel Cell and Fuel Cell Stack Using the SameHYUNDAI MOTOR CO LTD·Filed 2018·Application pending·0 cites
- 2845US2013011760A1Fuel cell stack structureKIA MOTORS CORP·Filed 2011·Application pending·0 cites
- 2937US2018175413A1Cell frame for fuel cellHYUNDAI MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 3035US2018102555A1Gasket for fuel cellHYUNDAI MOTOR CO LTD·Filed 2016·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →