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Toyozo Aoyama
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Osaka, 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
Rule-based electronic agent system and method thereof
Patent number
5,586,025
Issue date
Dec 17, 1996
Hitachi, Ltd.
Hiroshi Tsuji
G06 - COMPUTING CALCULATING COUNTING