Inventor · disambiguated record
Sung Wook Na
Also filed as: NA SUNG WOOK
34 granted patents·10 pending applications·64 citations·filing 2008–2022
95Inventor score
Top patents by PatentIndex Score
44 records- 0196US11139491B2Thermal management system for fuel cell vehicle and control method thereofHYUNDAI MOTOR CO LTD·Filed 2016·Granted Oct 5, 2021·12 cites·9 claims
- 0294US11143316B2Valve assembly and seal member applied to the valve assemblyHYUNDAI MOTOR CO LTD·Filed 2020·Granted Oct 12, 2021·3 cites·14 claims
- 0392US10161526B2Valve for controlling coolant flow and fuel cell cooling system using the sameHYUNDAI MOTOR CO LTD·Filed 2016·Granted Dec 25, 2018·6 cites·8 claims
- 0490US11843141B2Thermal management system for fuel cell vehicle and control method thereofHYUNDAI MOTOR CO LTD·Filed 2021·Granted Dec 12, 2023·1 cites·5 claims
- 0590US10816100B2Sealing member for a multi-direction changeover valve and a multi-direction changeover valve including the sealing memberHYUNDAI MOTOR CO LTD·Filed 2019·Granted Oct 27, 2020·5 cites·11 claims
- 0690US9522609B2Thermal management system for fuel cell vehiclesHYUNDAI MOTOR CO LTD·Filed 2014·Granted Dec 20, 2016·7 cites·8 claims
- 0787US8485226B2Three-way valve integrated with radiatorNA SUNG WOOK·Filed 2010·Granted Jul 16, 2013·11 cites·3 claims
- 0882US11777112B2Heat exchange apparatus for cooling water of fuel cell and fuel cell system including the sameHYUNDAI MOTOR CO LTD·Filed 2022·Granted Oct 3, 2023·0 cites·5 claims
- 0981US10648379B2Apparatus for discharging water in exhaust fluid and silencer for fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2017·Granted May 12, 2020·2 cites·9 claims
- 1075US9960436B2Ion filter life perception device for fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2015·Granted May 1, 2018·1 cites·7 claims
- 1175US9174513B2Heating control method for fuel cell vehicleLEE SEUNG YONG·Filed 2011·Granted Nov 3, 2015·6 cites·12 claims
- 1274US11476474B2Heat exchange apparatus for cooling water of fuel cell and fuel cell system including the sameHYUNDAI MOTOR CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·6 claims
- 1374US9640809B2Ion filter roof structure of fuel cell for vehicleHYUNDAI MOTOR CO LTD·Filed 2015·Granted May 2, 2017·2 cites·10 claims
- 1473US8518254B2Coolant demineralizer for a fuel cell vehicleNA SUNG WOOK·Filed 2010·Granted Aug 27, 2013·2 cites·12 claims
- 1570US9793557B2Thermal management system and method for fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2014·Granted Oct 17, 2017·1 cites·12 claims
- 1667US2018166710A1Heat exchange apparatus for cooling water of fuel cell and fuel cell system including the sameHYUNDAI MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 1766US11701743B2Apparatus and method for manufacturing heat exchanger for vehicleHYUNDAI MOTOR CO LTD·Filed 2018·Granted Jul 18, 2023·0 cites·2 claims
- 1864US8082940B2Water reservoir for vehicle having drain valve operated by traveling windNA SUNG WOOK·Filed 2009·Granted Dec 27, 2011·2 cites·7 claims
- 1963US10753479B2Valve for controlling coolant flow and fuel cell cooling system using the sameHYUNDAI MOTOR CO LTD·Filed 2018·Granted Aug 25, 2020·0 cites·12 claims
- 2062US10865673B2Apparatus for discharging water in exhaust fluid and silencer for fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2020·Granted Dec 15, 2020·0 cites·7 claims
- 2161US2014170515A1Apparatus and method for controlling coolant temperature of fuel cell systemHYUNDAI MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 2258US9236621B2Cooling apparatus for fuel cellHYUNDAI MOTOR CO LTD·Filed 2013·Granted Jan 12, 2016·0 cites·10 claims
- 2358US2015288014A1Apparatus and method for controlling coolant temperature of fuel cell systemHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 2456US10170778B2Thermal management system of fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jan 1, 2019·1 cites·8 claims
- 2556US8281813B2Coolant temperature controller for fuel cell vehicleNA SUNG WOOK·Filed 2008·Granted Oct 9, 2012·2 cites·5 claims
- 2655US9718327B2Flow control baffle apparatus for vehicle heaterHYUNDAI MOTOR CO LTD·Filed 2015·Granted Aug 1, 2017·0 cites·13 claims
- 2755US2015314405A1Apparatus and method for manufacturing heat exchanger for vehicleHYUNDAI MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 2854US10535887B2Fuel cell systemHYUNDAI MOTOR CO LTD·Filed 2017·Granted Jan 14, 2020·0 cites·20 claims
- 2953US9528613B2Valve for controlling coolant fuel cell stack coolant of fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2014·Granted Dec 27, 2016·0 cites·5 claims
- 3052US2015184310A1Pipe surface treating method for fuel cell systemHYUNDAI MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 3151US10818944B2Heat exchange device for cooling water of fuel cell and fuel cell system comprising the sameHYUNDAI MOTOR CO LTD·Filed 2017·Granted Oct 27, 2020·0 cites·13 claims
- 3251US10069151B2De-mineralizer for fuel cell and manufacturing method of sameHYUNDAI MOTOR CO LTD·Filed 2015·Granted Sep 4, 2018·0 cites·9 claims
- 3350US9105886B2Large-area demineralizer for fuel cellNA SUNG WOOK·Filed 2011·Granted Aug 11, 2015·0 cites·3 claims
- 3448US2015188157A13-way valve for fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 3547US8833400B2Silicon hose integrated with sensor port and method for manufacturing the sameNA SUNG WOOK·Filed 2010·Granted Sep 16, 2014·0 cites·12 claims
- 3646US2014120432A1Bubble removing device for an ion filter in a fuel cell systemHYUNDAI MOTOR CO LTD·Filed 2012·Application pending·0 cites
- 3745US10081546B2Nano-diamond, method of manufacturing the same, and nano-fluid using the sameHYUNDAI MOTOR CO LTD·Filed 2015·Granted Sep 25, 2018·0 cites·14 claims
- 3845US8709251B2Coolant demineralizer for fuel cell vehicleNA SUNG WOOK·Filed 2010·Granted Apr 29, 2014·0 cites·7 claims
- 3944US10608263B2Coolant bypass structureHYUNDAI MOTOR CO LTD·Filed 2015·Granted Mar 31, 2020·0 cites·8 claims
- 4044US8281808B2Coolant reservoir tank for fuel cell vehicleNA SUNG WOOK·Filed 2008·Granted Oct 9, 2012·0 cites·5 claims
- 4142US2015183337A1Temperature management system of fuel cell vehicle and method thereofHYUNDAI MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 4241US10367211B2Method for managing ion filter of fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jul 30, 2019·0 cites·7 claims
- 4338US2016197363A1Ion filter lifetime perception device for fuel cell vehicleHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4435US2012118988A1Heating system for fuel cell vehicleLEE SEUNG YONG·Filed 2011·Application pending·0 cites
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