Inventor
MIYATAKE MANABU
JP5 patents
Patents
5 patentsUS6335702B1Jan 1, 2002
Collection/delivery navigation system
HITACHI LTD12 citations70
US6708878B2Mar 23, 2004
Service providing method
HITACHI LTD3 citations61
US6978368B1Dec 20, 2005
Method for detecting invalid electronic storage media and card system using the method
HITACHI LTD2 citations60
US6196461B1Mar 6, 2001
Value data charging method and system for implementing the same
HITACHI LTD5 citations58
US6597310B2Jul 22, 2003
Collection/delivery navigation system
HITACHI LTD1 citations48