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Akira Kaji
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Hitachi, JP
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last 30 patents
Information
Patent Grant
Information presentation apparatus and information display apparatus
Patent number
6,188,388
Issue date
Feb 13, 2001
Hitachi, Ltd.
Setsuo Arita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information presentation apparatus and information display apparatus
Patent number
5,835,078
Issue date
Nov 10, 1998
Hitachi, Ltd.
Setsuo Arita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information presentation apparatus and information display apparatus
Patent number
5,712,658
Issue date
Jan 27, 1998
Hitachi, Ltd.
Setsuo Arita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Plant control system and method for displaying control circuit thereof
Patent number
5,392,208
Issue date
Feb 21, 1995
Hitachi, Ltd.
Atsushi Takita
G05 - CONTROLLING REGULATING
Information
Patent Grant
Fault tree displaying method and process diagnosis support system
Patent number
5,369,756
Issue date
Nov 29, 1994
Hitachi, Ltd.
Yoshihiko Imura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Neural network state diagnostic system for equipment
Patent number
5,333,240
Issue date
Jul 26, 1994
Hitachi, Ltd.
Hiroshi Matsumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Process control system and power plant process control system
Patent number
5,305,230
Issue date
Apr 19, 1994
Hitachi, Ltd.
Hiroshi Matsumoto
G05 - CONTROLLING REGULATING