Joo; Young Ho

Patent Applications and Registrations

Patent applications and USPTO patent grants for Joo; Young Ho.The latest application filed is for "system and method for providing packet network-based multimedia ringback tone service".

Company Profile

0.5.6

Joo; Young Ho - Goyang-si KR
Joo; Young-Ho - Gyeonggi-do KR
Joo; Young Ho - 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
System and method for providing packet network-based multimedia ringback tone service Grant 8,259,622 - Lee , et al. September 4, 2	2012-09-04
Hand over method from asynchronous mobile communication network to synchronous mobile communication network Grant 8,238,918 - Lee , et al. August 7, 2	2012-08-07
Inter-system handover Grant 7,983,676 - Ju , et al. July 19, 2	2011-07-19
Method for providing the location information on a mobile station based on DBM and TCP/IP Grant 7,809,800 - Kim , et al. October 5, 2	2010-10-05
System And Method For Providing Packet Network-based Multimedia Ringback Tone Service App 20100080149 - Lee; Won Jun ; et al.	2010-04-01
Hand Over Method From Asynchronous Mobile Communication Network to Synchronous Mobile Communication Network App 20090129359 - Lee; Sang-Yun ; et al.	2009-05-21
Inter-System Handover App 20080242304 - Ju; Jae-Young ; et al.	2008-10-02
Method and System For Management of Handover Only Trunk Line Between Mobile Switching Centers For Handover in Mixed Mobile Communication System of an Asynchronous Network and a Synchronous Network App 20080137607 - Ju; Jae-Yong ; et al.	2008-06-12
Method for tracking location of subscribers in dual stack mobile communication network Grant 7,260,406 - Lee , et al. August 21, 2	2007-08-21
Method for providing the location information on a mobile station based on DBM and TCP/IP App 20050021769 - Kim, Ki Mun ; et al.	2005-01-27
Method for tracking location of subscribers in dual stack mobile communication network App 20040185869 - Lee, Sang Yun ; et al.	2004-09-23

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