P
PatentIndex
Search
Landscape
Sign in
Inventor
NIIE MANABU
JP
2 patents
Patents
2 patents
US7076362B2
Jul 11, 2006
Audio interactive navigation system, moving terminal device, and audio interactive server
HITACHI LTD
48 citations
92
US6640007B1
Oct 28, 2003
Electronic writing implement and method of electronic writing
HITACHI LTD
37 citations
91