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Michiko Oba
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Ikeda, JP
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last 30 patents
Information
Patent Grant
System for task tracking and controlling electronic mail
Patent number
6,434,603
Issue date
Aug 13, 2002
Hitachi, Ltd.
Hiroshi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for task tracking and controlling electronic mail
Patent number
6,047,315
Issue date
Apr 4, 2000
Hitachi, Ltd.
Hiroshi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for task tracking and controlling electronic mail
Patent number
5,764,898
Issue date
Jun 9, 1998
Hitachi, Ltd.
Hiroshi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer aided planning support system
Patent number
5,303,144
Issue date
Apr 12, 1994
Hitachi, Ltd.
Kazuhiro Kawashima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer aided planning method and system
Patent number
5,303,147
Issue date
Apr 12, 1994
Hitachi, Ltd.
Michiko Oba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for determining optimum schedule in computer-aided schedulin...
Patent number
5,241,465
Issue date
Aug 31, 1993
Hitachi Ltd.
Michiko Oba
G06 - COMPUTING CALCULATING COUNTING