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*As of June 2021, we have 12 patents. (8 Domestic, 4 Overseas11)

No Content Type Filing date Regist date
26 Gas diffusion layer comprising a microporous layer having a through-path and/or a concentration gradient of a water-repellent resin in the thickness direction, and fuel cell comprising the same Patent 2023.12.18 2024.08.08
25 Gas diffusion layer comprising a microporous layer having a through-path and/or a concentration gradient of a water-repellent resin in the thickness direction, and fuel cell comprising the same Foreign Patent (US) 2021.12.22 2024.07.16
24 Carbon substrate for gas diffusion layer including carbon fibers with unidirectional orientation and gas diffusion layer employing the same Foreign Patent (US) 2021.06.07 2024.07.09
23 Graphitized carbon substrate for gas diffusion layer and gas diffusion layer employing the same Foreign Patent (US) 2021.06.21 2024.07.09
22 Carbon substrate for gas diffusion layer including carbon fibers with unidirectional orientation and gas diffusion layer employing the same Patent 2018.12.05 2024.05.02
21 Method for manufacturing electrode for vanadium redox flow battery and vanadium redox flow battery including the electrode obtained thereby Patent 2022.09.13 2023.12.08
20 Gas diffusion layer comprising microporous layer comprising carbon with partially graphitized structure and radical scavenger additive, and fuel cell employing the same Patent 2021.01.21 2023.11.28
19 Gas diffusion layer comprising microporous layer comprising carbon with partially graphitized structure and radical scavenger additive, and fuel cell employing the same Foreign Patent (US) 2021.12.29 2023.08.24
18 High density gas diffusion layer, preparing method thereof, electrode, membrane-electrode assembly, and fuel cell employing the same Patent 2020.06.26 2022.04.15
17 Microporous layer used for fuel cell, gas diffusion layer comprising the same and fuel cell comprising the same Patent 2020.01.03 2021.11.19
16 An improved electrode for Vanadium Flow Battery and the Vanadium Flow Battery comprising the same Foreign Patent (CN) 2016.08.26 2021.09.03
15 Graphitized carbon material and a gas diffusion layer made with its application Patent 2018.12.19 2020.10.16
14 Multi-layered carbon substrate for gas diffusion layer Overseas Patent(CN) 2016.08.03 2020.10.13
13 Multi-layered carbon substrate for gas diffusion layer Overseas Patent(EP) 2016.08.10 2019.10.02
12 A functionally enhanced electrode for vanadium flow batteries and a vanadium flow batteries made with its application Patent 2015.05.20 2019.04.09
11 An electrode for vanadium redox flow batteries and a vanadium redox flow battery containing it Patent 2016.08.10 2018.10.31
10 A microporous layer for fuel cells and a gas diffusion layer and fuel cell containing it Patent 2012.06.29 2018.07.17
9 Multi-layered carbon substrate for gas diffusion layer Patent 2016.04.15 2018.02.26
8 Multi-layered carbon substrate for gas diffusion layer Overseas Patent(US) 2016.08.31 2017.10.24
7 Carbon substrate for gas diffusion layer, gas diffusion layer using the same, and electrode for fuel cell, membrane-electrode assembly and fuel cell comprising the gas diffusion layer Overseas Patent(US) 2013.07.01 2015.06.27
6 Carbon substrate for gas diffusion layer, gas diffusion layer using the same, and electrode for fuel cell, membrane-electrode assembly and fuel cell comprising the gas diffusion layer Overseas Patent(DE) 2013.07.01 2015.06.03
5 Carbon substrate for gas diffusion layer, gas diffusion layer using the same, and electrode for fuel cell, membrane-electrode assembly and fuel cell comprising the gas diffusion layer Overseas Patent(GB) 2013.07.01 2015.06.03
4 Carbon material for gas diffusion layers and a gas diffusion layer and fuel cell electrode containing it Patent 2013.07.01 2015.01.14
3 A microporous layer for fuel cells and a gas diffusion layer and fuel cell containing it Patent 2012.03.08 2014.04.23
2 A method to produce carbon material containing active carbon fiber and carbon material produced by using it Patent 2011.09.05 2013.10.28
1 A method to produce carbon material for gas diffusion layers in high polymer electrolyte fuel cells, carbon material created by using it, and a system used to carry out such production Patent 2011.05.20 2013.08.02