Inventor
RYU DEUK-HO
US5 patents
Patents
5 patentsUS7260399B1Aug 21, 2007
Method and system for asymmetric handoff of wireless communication sessions
SPRINT SPECTRUM LP125 citations95
US7251480B1Jul 31, 2007
Method and system of sending a voice message in a wireless communication network
SPRINT SPECTRUM LP26 citations90
US6879833B2Apr 12, 2005
Method and system for vocoder bypass using differentiated telephone numbers
SPRINT SPECTRUM LP15 citations81
US6865391B1Mar 8, 2005
Method and system for vocoder bypass using electronic serial numbers
SPRINT SPECTRUM LP9 citations71
US7769387B2Aug 3, 2010
Method and system for vocoder bypass using differentiated telephone numbers
SPRINT SPECTRUM LP0 citations49