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Masao Takatou
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Katsuta, JP
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last 30 patents
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Patent Grant
Liquid-level position measuring method and system
Patent number
6,098,029
Issue date
Aug 1, 2000
Hitachi, Ltd.
Yoichi Takagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Traffic flow measuring method and apparatus
Patent number
5,530,441
Issue date
Jun 25, 1996
Hitachi, Ltd.
Masao Takatou
G08 - SIGNALLING
Information
Patent Grant
Traffic flow measuring method and apparatus
Patent number
5,283,573
Issue date
Feb 1, 1994
Hitachi, Ltd.
Masao Takatou
G08 - SIGNALLING