CHOI; Jong-Sik

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHOI; Jong-Sik.The latest application filed is for "catalyst particles for treating vehicle exhaust gas, preparation method therefor, and method for treating vehicle exhaust gas by".

Company Profile

1.9.11

CHOI; Jong-Sik - Seoul KR
Choi; Jong-Sik - Daejeon N/A KR
Choi; Jong-Sik - Hwaseong-si KR
Choi, Jong-Sik - Suwon-city 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
Catalyst Particles For Treating Vehicle Exhaust Gas, Preparation Method Therefor, And Method For Treating Vehicle Exhaust Gas By App 20200222880 - CHOI; Kyeong-Woo ; et al.	2020-07-16
Tile for removing formaldehyde and process for preparing the same Grant 8,980,429 - Choi , et al. March 17, 2	2015-03-17
Porous ceramic structure, and dehumidification/humidification apparatus comprising same Grant 8,657,265 - Jung , et al. February 25, 2	2014-02-25
Ceramic filter comprising clay and process for preparing thereof Grant 8,388,719 - Lee , et al. March 5, 2	2013-03-05
Catalyst for removing nitrogen oxides from exhaust gas, method for preparing the same and method for removing nitrogen oxides using the same from exhaust gas Grant 8,197,779 - Lee , et al. June 12, 2	2012-06-12
Porous Ceramic Structure, And Dehumidification/humidification Apparatus Comprising Same App 20120032359 - Jung; Seong-Moon ; et al.	2012-02-09
Catalyst And Method For Removing Formaldehyde Using The Same App 20110305617 - Lee; Ju-Hyung ; et al.	2011-12-15
Catalyst For Removal Of Ntrogen Oxides From Exhaust Gas, Method Of Preparing The Same And Method Of Removing Nitrogen Oxides Using The Same From Exhaust Gas App 20110165049 - Lee; Ju-Hyung ; et al.	2011-07-07
Methods Of Forming An Amorphous Carbon Layer And Methods Of Forming A Pattern Using The Same App 20100258526 - Won; Jaihyung ; et al.	2010-10-14
Tile For Removing Formaldehyde And Process For Preparing The Same App 20100255987 - Choi; Jong-Sik ; et al.	2010-10-07
Method for preparing ceramic filter and ceramic filter prepared by the same Grant 7,753,983 - Choi , et al. July 13, 2	2010-07-13
Ceramic Filter Comprising Clay and Process for Preparing Thereof App 20100115899 - Lee; Ju-Hyung ; et al.	2010-05-13
Method for preparing ceramic filter and ceramic filter prepared by the same App 20070017196 - Choi; Jong Sik ; et al.	2007-01-25
Laser cathode ray tube App 20020057384 - Makienko, Oleg Mikhailovich ; et al.	2002-05-16
Laser cathode ray tube App 20020021063 - Makienko, Oleg Mikhailovich ; et al.	2002-02-21
Beam index type cathode ray tube App 20010030504 - Lee, Sung-Soo ; et al.	2001-10-18
Image format converter for HDTV Grant 5,835,150 - Choi November 10, 1	1998-11-10

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