Ko; Jae Jun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ko; Jae Jun.The latest application filed is for "mobile device for measuring radon in groundwater".

Company Profile

21.36.51

Ko; Jae Jun - Gyeonggi-do KR
Ko; Jae-Jun - Seoul KR
Ko; Jae Jun - Yangpyeong KR
Ko; Jae Jun - Gunpo-si KR
KO; Jae-Jun - Seocho-gu KR
Ko; Jae Jun - Gunpo KR
KO; Jae Jun - Gunposi KR
Ko; Jae Jun - Bucheon-si KR
Ko; Jae Jun - Kyungki-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
Antioxidant for fuel cells, membrane electrode assembly including the same and method for preparing antioxidant Grant 11,394,044 - Ko , et al. July 19, 2	2022-07-19
Antioxidant for electrolyte membrane of fuel cells and method for preparing the same Grant 11,349,140 - Ko , et al. May 31, 2	2022-05-31
Membrane electrode assembly for fuel cells and manufacturing method thereof Grant 11,335,920 - Ko , et al. May 17, 2	2022-05-17
Method for manufacturing a core for a current transformer Grant 11,322,300 - Na , et al. May 3, 2	2022-05-03
Mobile Device For Measuring Radon In Groundwater App 20220099628 - KO; Jae Jun ; et al.	2022-03-31
Radon Management System Using Radon Detector App 20220099321 - KO; Jae Jun ; et al.	2022-03-31
Method of manufacturing electrolyte membrane for fuel cell and electrolyte membrane manufactured thereby Grant 11,239,472 - Park , et al. February 1, 2	2022-02-01
Radon sensor device using polyhedral-shaped ionization chamber Grant 11,169,281 - Ko , et al. November 9, 2	2021-11-09
Antioxidant Having High Antioxidant Capability For Fuel Cell, And Electrolyte Membrane And Membrane-electrode Assembly Comprising Same App 20210305611 - Chae; Il Seok ; et al.	2021-09-30
Apparatus For Measuring Radon And Thoron By Using Ionization Chamber App 20210255339 - KO; Jae Jun ; et al.	2021-08-19
Antioxidant for fuel cells and membrane-electrode assembly including the same Grant 11,024,865 - Park , et al. June 1, 2	2021-06-01
Membrane-electrode assembly for fuel cells having improved durability and manufacturing method thereof Grant 11,005,116 - Yu , et al. May 11, 2	2021-05-11
Billing System Based On Radon Concentration Pattern Analysis And Method Therefor App 20210088675 - KO; Jae-Jun ; et al.	2021-03-25
Unit Cell For A Fuel Cell And A Method For Manufacturing A Unit Cell For A Fuel Cell App 20210020976 - Lee; Chi Seung ; et al.	2021-01-21
Core For Current Transformer And Manufacturing Method For Same App 20200335276 - NA; Won-San ; et al.	2020-10-22
Method Of Manufacturing Electrolyte Membrane For Fuel Cell And Electrolyte Membrane Manufactured Thereby App 20200321625 - Park; Inyu ; et al.	2020-10-08
Antioxidant For Fuel Cells And Fuel Cell Comprising The Same App 20200313213 - Park; In Yu ; et al.	2020-10-01
Antioxidant For Fuel Cells And Membrane-electrode Assembly Including The Same App 20200266473 - Park; In Yu ; et al.	2020-08-20
Fuel cell separator for preventing flooding and fuel cell stack including the same Grant 10,727,503 - Ko , et al.	2020-07-28
Membrane-electrode assembly for fuel cells having improved durability and a polymer electrolyte membrane fuel cell including the same Grant 10,714,778 - Park , et al.	2020-07-14
Membrane Electrode Assembly For Fuel Cells And Manufacturing Method Thereof App 20200212457 - Ko; Jae Jun ; et al.	2020-07-02
Antioxidant For Fuel Cells, Membrane Electrode Assembly Including The Same And Method For Preparing Antioxidant App 20200212469 - Ko; Jae Jun ; et al.	2020-07-02
Fuel cell stack with enhanced freeze-thaw durability Grant 10,629,918 - Hong , et al.	2020-04-21
Membrane-electrode Assembly For Fuel Cells Having Improved Durability And Manufacturing Method Thereof App 20200075983 - Yu; Jung Han ; et al.	2020-03-05
Inspection apparatus of electrolyte membrane Grant 10,569,228 - Ko , et al. Feb	2020-02-25
Antioxidant For Electrolyte Membrane Of Fuel Cells And Method For Preparing The Same App 20200020967 - Ko; Jae Jun ; et al.	2020-01-16
Antioxidant For Polymer Electrolyte Membrane Fuel Cells, Electrolyte Including The Same, And Membrane-electrode Assembly For Veh App 20190319287 - Park; In Yu ; et al.	2019-10-17
Membrane-electrode Assembly For Fuel Cells Having Improved Durability And A Polymer Electrolyte Membrane Fuel Cell Including The App 20190198903 - Park; InYu ; et al.	2019-06-27
Core For Current Transformer App 20190180932 - HAN; Cheol-Seung ; et al.	2019-06-13
Inspection Apparatus Of Electrolyte Membrane App 20190054425 - Ko; Jae Jun ; et al.	2019-02-21
Alpha particle detection apparatus using dual probe structured ionization chamber and differential amplifier Grant 10,132,936 - Ko , et al. November 20, 2	2018-11-20
Inspection apparatus of electrolyte membrane Grant 10,118,132 - Ko , et al. November 6, 2	2018-11-06
State diagnostic apparatus of fuel cell stack Grant 10,106,051 - Jeong , et al. October 23, 2	2018-10-23
Separator For Fuel Cell And Fuel Cell Stack Including The Same App 20180166705 - KO; Jae Jun ; et al.	2018-06-14
Unit Cell For A Fuel Cell And A Method For Manufacturing A Unit Cell For A Fuel Cell App 20180166730 - Lee; Chi Seung ; et al.	2018-06-14
Valve device and system for controlling air flow of fuel cell stack Grant 9,929,420 - Ko March 27, 2	2018-03-27
Fuel Cell And Method Of Manufacturing The Fuel Cell App 20180076471 - LEE; Chi Seung ; et al.	2018-03-15
Alpha Particle Detection Apparatus Using Dual Probe Structured Ionization Chamber And Differential Amplifier App 20180031712 - KO; Jae Jun ; et al.	2018-02-01
Valve Device And System For Controlling Air Flow Of Fuel Cell Stack App 20180013157 - KO; Jae Jun	2018-01-11
Fuel cell stack with enhanced freeze-thaw durability Grant 9,847,535 - Hong , et al. December 19, 2	2017-12-19
Fuel cell stack for preventing deterioration of end cell Grant 9,722,262 - Kim , et al. August 1, 2	2017-08-01
Apparatus for diagnosing a state of a fuel cell stack and method thereof Grant 9,494,655 - Jeong , et al. November 15, 2	2016-11-15
Driving control method and system of fuel cell system Grant 9,484,586 - Ko , et al. November 1, 2	2016-11-01
Inspection Apparatus Of Electrolyte Membrane App 20160271566 - Ko; Jae Jun ; et al.	2016-09-22
State Diagnostic Apparatus Of Fuel Cell Stack App 20160093903 - Jeong; Kwi Seong ; et al.	2016-03-31
Apparatus For Diagnosing A State Of A Fuel Cell Stack And Method Thereof App 20160061902 - Jeong; Kwi Seong ; et al.	2016-03-03
Driving Control Method And System Of Fuel Cell System App 20160020474 - Ko; Jae Jun ; et al.	2016-01-21
Fuel Cell Stack With Enhanced Freeze-thaw Durability App 20150099215 - Hong; Bo Ki ; et al.	2015-04-09
Method for shutting down fuel cell system Grant 8,956,774 - Kwon , et al. February 17, 2	2015-02-17
Fuel Cell Stack For Preventing Deterioration Of End Cell App 20140186738 - Kim; Jong Sung ; et al.	2014-07-03
Method for detecting ice blocking of fuel cell stack and controlling fuel cell vehicle using the same Grant 8,519,717 - Jung , et al. August 27, 2	2013-08-27
Purge system for fuel cell with improved cold start performance Grant 8,497,045 - Ko , et al. July 30, 2	2013-07-30
Integrated valve system for fuel cell stack Grant 8,492,051 - Sung , et al. July 23, 2	2013-07-23
Fuel Cell System And Control Method Of The Same App 20130130132 - Lee; Nam Woo ; et al.	2013-05-23
Fuel cell bipolar plate and method for manufacturing the same Grant 8,377,609 - Lee , et al. February 19, 2	2013-02-19
Startup Control Device And Method For Fuel Cell System App 20130029238 - Im; Se Joon ; et al.	2013-01-31
Fuel Cell Stack With Enhanced Freeze-thaw Durability App 20120141902 - Hong; Bo Ki ; et al.	2012-06-07
Purging Device And Method For Improving Cold-startability Of Fuel Cell App 20120123620 - Ko; Jae Jun ; et al.	2012-05-17
Apparatus and method for determining deterioration of a fuel cell and method for preventing deterioration of the same Grant 8,053,131 - Son , et al. November 8, 2	2011-11-08
Apparatus and method for acceleratively activating fuel cell Grant 8,012,636 - Son , et al. September 6, 2	2011-09-06
Fuel Cell System And Control Method Of The Same App 20110136028 - Lee; Nam Woo ; et al.	2011-06-09
Method For Detecting Ice Blocking Of Fuel Cell Stack And Controlling Fuel Cell Vehicle Using The Same App 20110115491 - Jung; Jae Won ; et al.	2011-05-19
Purge System For Fuel Cell With Improved Cold Start Performance App 20110097637 - Ko; Jae Jun ; et al.	2011-04-28
Method For Shutting Down Fuel Cell System App 20110065012 - Kwon; Sang Uk ; et al.	2011-03-17
Integrated Valve System For Fuel Cell Stack App 20100323259 - Sung; Woo Suk ; et al.	2010-12-23
Sealing structure of fuel cell separator App 20100279206 - Lee; Jong Hyun ; et al.	2010-11-04
Method of activating vehicle fuel cell Grant 7,767,327 - Ko , et al. August 3, 2	2010-08-03
Apparatus and method for acceleratively activating fuel cell App 20100167141 - Son; Ik Jae ; et al.	2010-07-01
Separating plate for fuel cell Grant 7,709,128 - Lee , et al. May 4, 2	2010-05-04
Apparatus And Method For Determining Deterioration Of A Fuel Cell And Method For Preventing Deterioration Of The Same App 20100040913 - Son; Ik Jae ; et al.	2010-02-18
Fuel Cell Bipolar Plate And Method For Manufacturing The Same App 20090311574 - Lee; Jong Hyun ; et al.	2009-12-17
Method For Accelerating Activation Of Fuel Cell App 20090286112 - Oh; Seung Chan ; et al.	2009-11-19
Reinforced Composite Membrane For Polymer Electrolyte Fuel Cell App 20090209668 - Lee; Jong Hyun ; et al.	2009-08-20
Fuel cell stack for vehicle App 20090017338 - Ko; Jae Jun	2009-01-15
Apparatus for preventing carbon corrosion at cathod in fuel cell App 20080318099 - Oh; Seung Chan ; et al.	2008-12-25
Separating Plate for Fuel Cell App 20080131755 - Lee; Jong Hyun ; et al.	2008-06-05
Fuel cell stack App 20080044712 - Ko; Jae Jun ; et al.	2008-02-21
Method of activating vehicle fuel cell App 20070134522 - Ko; Jae Jun ; et al.	2007-06-14
Method and apparatus for operating polymer electrolyte membrane fuel cell below the freezing point of water Grant 6,953,631 - Oh , et al. October 11, 2	2005-10-11
Method and apparatus for operating polymer electrolyte membrane fuel cell below the freezing point of water App 20030108781 - Oh, In Hwan ; et al.	2003-06-12

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