Inventor
HAGA HIROHIDE
JP6 patents
Patents
6 patentsUS5211563AMay 18, 1993
Computer assisted learning support system and processing method therefor
HITACHI LTD84 citations96
US5764898AJun 9, 1998
System for task tracking and controlling electronic mail
HITACHI LTD76 citations95
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
US5261100ANov 9, 1993
Method of software development
HITACHI LTD41 citations88
US4943933AJul 24, 1990
Method for translating data base to knowledge and apparatus therefor
HITACHI LTD20 citations76