Inventor
TABUSHI ISOJI
JP3 patents
Patents
3 patentsUS5331543AJul 19, 1994
Business monitoring system and method
HITACHI LTD59 citations93
US5282273AJan 25, 1994
Enterprise information system having three level hierarchy of data bases and communication paths
HITACHI LTD26 citations86
US5109508AApr 28, 1992
Data base system including memorandum information and method for managing memorandum information
HITACHI LTD11 citations70