Inventor
NAKA KENJI
JP3 patents
Patents
3 patentsUS8005612B2Aug 23, 2011
Map data distribution system
HITACHI LTD38 citations89
US7930100B2Apr 19, 2011
Computer readable medium storing a map data updating program and map data updating terminal
HITACHI LTD5 citations60
US11792650B2Oct 17, 2023
Unauthorized communication detection apparatus and recording medium
HITACHI LTD0 citations47