Park; Do Jun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Park; Do Jun.The latest application filed is for "exhaust gas recirculation cooler".

Company Profile

4.4.8

Park; Do Jun - Hwaseong-Si KR
Park; Do Jun - Ulsan KR
Park; Do Jun - Hwaseong KR
Park; Do-Jun - Seoul 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
Exhaust gas recirculation cooler Grant 10,683,832 - Yoon , et al.	2020-06-16
Exhaust Gas Recirculation Cooler App 20200018266 - YOON; Sung Il ; et al.	2020-01-16
Water-cooled EGR cooler, and the manufacturing method thereof Grant 10,253,730 - Yoon , et al.	2019-04-09
Exhaust Gas Recirculation Device App 20190072056 - Yoon; Sung Il ; et al.	2019-03-07
Water-cooled Egr Cooler, And The Manufacturing Method Thereof App 20180328317 - Yoon; Sung Il ; et al.	2018-11-15
Water Cooled Egr Cooler App 20180313301 - YOON; Sung Il ; et al.	2018-11-01
Water cooled EGR cooler Grant 10,113,515 - Yoon , et al. October 30, 2	2018-10-30
Apparatus and method for providing packet data service using heterogeneous networks Grant 8,175,066 - Park May 8, 2	2012-05-08
Apparatus and method for providing packet data service using heterogeneous networks App 20080137630 - Park; Do-Jun	2008-06-12
Method and system for providing broadcast service using encryption in a mobile communication system App 20040202329 - Jung, Jung-Soo ; et al.	2004-10-14
Method for providing packet call service in radio telecommunication system App 20020141357 - Park, Do-Jun ; et al.	2002-10-03
Method of providing packet voice call service in wireless communication network and network architecture therefor App 20020126656 - Park, Do-Jun	2002-09-12

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