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Eiichi Okamoto
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Input/output information indication system
Patent number
4,371,926
Issue date
Feb 1, 1983
Tokyo Shibaura Denki Kabushiki Kaisha
Mitsuru Yamaura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital protective relaying devices
Patent number
4,339,802
Issue date
Jul 13, 1982
Tokyo Shibaura Denki Kabushiki Kaisha
Mitsuru Yamaura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Monitor system for a digital signal
Patent number
4,309,767
Issue date
Jan 5, 1982
Tokyo Shibaura Denki Kabushiki Kaisha
Fumio Andow
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Systems for detecting faults in electric power systems
Patent number
4,281,386
Issue date
Jul 28, 1981
Tokyo Shibaura Denki Kabushiki Kaisha
Ryotaro Kondow
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for supervising a digital protective relaying...
Patent number
4,276,605
Issue date
Jun 30, 1981
Tokyo Shibaura Denki Kabushiki Kaisha
Eiichi Okamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Distance relaying systems
Patent number
4,212,046
Issue date
Jul 8, 1980
Tokyo Shibaura Denki Kabushiki Kaisha
Fumio Andow
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER