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Tatsushiro Ochiai
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Tokyo, JA
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last 30 patents
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Patent Grant
Apparatus for detecting an external magnetic field
Patent number
4,008,432
Issue date
Feb 15, 1977
TDK Electronics Company, Limited
Takao Sugisaki
G01 - MEASURING TESTING
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Patent Grant
Magnetic material detecting device
Patent number
4,006,408
Issue date
Feb 1, 1977
TDK Electronics Company, Limited
Takao Sugisaki
G01 - MEASURING TESTING