Choi; Joong-Hwan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choi; Joong-Hwan.The latest application filed is for "oxidation catalyst unit and a wet-type electrophotographic image forming apparatus comprising the same and a method thereof".

Company Profile

0.7.9

Choi; Joong-Hwan - Seoul KR
Choi, Joong-hwan - Seoul-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
Liquid toner for electrophotography and method of preparing the same Grant 7,371,496 - Lee , et al. May 13, 2	2008-05-13
Liquid ink composition and method of producing a liquid ink composition Grant 7,259,193 - Yon , et al. August 21, 2	2007-08-21
Oxidation catalyst unit and a wet-type electrophotographic image forming apparatus comprising the same and a method thereof Grant 7,245,846 - Seorl , et al. July 17, 2	2007-07-17
Liquid electrophotography printer having exhaust system with oxidative catalyst filter Grant 7,149,454 - Yon , et al. December 12, 2	2006-12-12
Wet-type electrophotographic printer with photocatalystic filter Grant 7,027,752 - Yon , et al. April 11, 2	2006-04-11
Gas exhausting apparatus for wet electrophotographic image forming device and method thereof Grant 6,996,352 - Choi , et al. February 7, 2	2006-02-07
Oxidation catalyst unit and a wet-type electrophotographic image forming apparatus comprising the same and a method thereof App 20050244183 - Seorl, Kwoang-joe ; et al.	2005-11-03
Liquid developer for developing latent electrostatic image and method for preparing the same Grant 6,951,703 - Chae , et al. October 4, 2	2005-10-04
Liquid toner for electrophotography and method of preparing the same App 20050153226 - Lee, Nam-Jeong ; et al.	2005-07-14
Liquid ink composition and method of producing a liquid ink composition App 20050075417 - Yon, Kyung-yol ; et al.	2005-04-07
Liquid ink composition and preparation of the same App 20040225030 - Yon, Kyung-yol ; et al.	2004-11-11
Liquid electrophotography printer App 20040146314 - Yon, Kyung-Yol ; et al.	2004-07-29
Gas exhausting apparatus for wet electrophotographic image forming device and method thereof App 20040105697 - Choi, Joong-Hwan ; et al.	2004-06-03
Wet type electrophotographic image forming device with oxidation catalyst filter App 20040047645 - No, Young-Ha ; et al.	2004-03-11
Wet-type electrophotographic printer with photocatalystic filter App 20040047646 - Yon, Kyung-yol ; et al.	2004-03-11
Liquid developer for developing latent electrostatic image and method for preparing the same App 20040002014 - Chae, Seong-joon ; et al.	2004-01-01

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