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Acceleration sensor
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Patent number 4,922,753
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Issue date May 8, 1990
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Nippon Soken, Inc.
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Takaharu Idogaki
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G01 - MEASURING TESTING
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Motor speed controlling device
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Patent number 4,600,867
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Issue date Jul 15, 1986
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Nippon Soken, Inc.
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Ikuo Hayashi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Solenoid valve
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Patent number 4,561,629
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Issue date Dec 31, 1985
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Nippon Soken, Inc.
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Takaharu Idogaki
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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