P
PatentIndex
Search
Landscape
Sign in
Inventor
KOJIMA SETSUKO
JP
2 patents
Patents
2 patents
US6330629B1
Dec 11, 2001
Information processing system
HITACHI LTD
32 citations
90
US6584538B2
Jun 24, 2003
Information processing system
HITACHI LTD
5 citations
71