Inventor
WAKAYAMA SATOSHI
JP19 patents
Patents
19 patentsUS6301592B1Oct 9, 2001
Method of and an apparatus for displaying version information and configuration information and a computer-readable recording medium on which a version and configuration information display program is recorded
HITACHI LTD1,072 citations99
US5568640AOct 22, 1996
Document retrieving method in a document managing system
HITACHI LTD148 citations97
US5555169ASep 10, 1996
Computer system and method for converting a conversational statement to computer command language
HITACHI LTD129 citations97
US5890153AMar 30, 1999
Database lock control method
HITACHI LTD61 citations96
US5065311ANov 12, 1991
Distributed data base system of composite subsystem type, and method fault recovery for the system
HITACHI LTD120 citations96
US5764898AJun 9, 1998
System for task tracking and controlling electronic mail
HITACHI LTD76 citations95
US5333314AJul 26, 1994
Distributed data base system of composite subsystem type, and method of fault recovery for the system
HITACHI LTD104 citations95
US5586025ADec 17, 1996
Rule-based electronic agent system and method thereof
HITACHI LTD57 citations94
US5946689AAug 31, 1999
Distributed database system and method of detecting contention in data update involved in replication of database data
HITACHI LTD73 citations93
US6493732B2Dec 10, 2002
Method of and an apparatus for displaying version information and configuration and a computer-readable recording medium on which a version and configuration information display program is recorded
HITACHI LTD27 citations92
US6434603B1Aug 13, 2002
System for task tracking and controlling electronic mail
HITACHI LTD23 citations92
US6047315AApr 4, 2000
System for task tracking and controlling electronic mail
HITACHI LTD32 citations92
US5710920AJan 20, 1998
Object extending method
HITACHI LTD57 citations92
US6182082B1Jan 30, 2001
Method and system for managing object-oriented database
HITACHI LTD30 citations90
US4819160AApr 4, 1989
Method of processing data access in a database management system with data dictionary directory
HITACHI LTD45 citations87
US5920869AJul 6, 1999
Database management system
HITACHI LTD22 citations86
US4979109ADec 18, 1990
Method of controlling a data dictionary directory system in a data base system
HITACHI LTD22 citations80
US4833597AMay 23, 1989
Dictionary/directory management method in database system
HITACHI LTD18 citations72
US5761658AJun 2, 1998
Method of exclusive control of areas in page for tuple-oriented file system
HITACHI LTD3 citations58