Inventor
TU IHUNG S
US7 patents
Patents
7 patentsUS6839628B1Jan 4, 2005
Display method and apparatus for arranging order of listing points of interest for navigation system
ALPINE ELECTRONICS INC166 citations97
US7155339B2Dec 26, 2006
Display method and apparatus for navigation system for searching POI and arranging listing order of POI
ALPINE ELECTRONICS INC127 citations96
US6999875B2Feb 14, 2006
Display method and apparatus for navigation system
ALPINE ELECTRONICS INC69 citations96
US7272489B2Sep 18, 2007
Navigation method and system for extracting, sorting and displaying POI information
ALPINE ELECTRONICS INC35 citations91
US6934705B2Aug 23, 2005
Data sorting method and navigation method and system using the sorting method
ALPINE ELECTRONICS INC50 citations91
US7107147B2Sep 12, 2006
Data correction method and apparatus using key filtering function for entering data in navigation system
ALPINE ELECTRONICS INC24 citations89
US6691027B1Feb 10, 2004
Method and apparatus for finding shortest overall path of multiple destinations by navigation system
ALPINE ELECTRONICS INC15 citations82