Ahn; Seung Gyun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ahn; Seung Gyun.The latest application filed is for "fuel cell separator and coating method for fuel cell separator".

Company Profile

1.6.9

Ahn; Seung Gyun - Seoul KR
Ahn; Seung Gyun - Suwon N/A KR
Ahn; Seung Gyun - Gangseo-gu KR
Ahn; Seung Gyun - Gyeonggi-do KR
Ahn, Seung-Gyun - Kyoungki-do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Fuel cell separator and coating method for fuel cell separator Grant 10,876,203 - Lee , et al. December 29, 2	2020-12-29
Fuel Cell Separator And Coating Method For Fuel Cell Separator App 20190264321 - Lee; Seungkoo ; et al.	2019-08-29
Fuel cell separator and coating method of seperator for fuel cell separator Grant 10,329,665 - Lee , et al.	2019-06-25
Fuel Cell Separator And Coating Method Of Seperator For Fuel Cell Separator App 20180112306 - Lee; Seungkoo ; et al.	2018-04-26
Metal separator for fuel cell and surface treatment method thereof Grant 8,636,947 - Nam , et al. January 28, 2	2014-01-28
Metallic Bipolar Plate For Fuel Cell And Method For Forming Surface Layer Thereof App 20120231372 - Lyo; In Woong ; et al.	2012-09-13
Metal Separator For Fuel Cell And Surface Treatment Method Thereof App 20120088184 - Nam; Young Min ; et al.	2012-04-12
Valve lifter and surface treatment method thereof Grant 8,109,248 - Lyo , et al. February 7, 2	2012-02-07
Metal Separator For Fuel Cell And Method For Treating Surface Of The Same App 20110135812 - Kim; Sae Hoon ; et al.	2011-06-09
Metallic bipolar plate for fuel cell and method for forming surface layer of the same Grant 7,914,948 - Lyo , et al. March 29, 2	2011-03-29
Polytetrafluoroethylene Coating Agent, Method Of Preparation And Use App 20100233371 - Kim; Yool Koo ; et al.	2010-09-16
Metallic Bipolar Plate For Fuel Cell And Method For Forming Surface Layer Thereof App 20100015499 - Lyo; In Woong ; et al.	2010-01-21
Valve lifter and surface treatment method thereof App 20100012064 - Lyo; In Woong ; et al.	2010-01-21
Method of manufacturing an HLA for an internal combustion engine App 20020069939 - Ahn, Seung-Gyun	2002-06-13

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