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Electromagnetic rotary driving device
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Patent number 4,647,009
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Issue date Mar 3, 1987
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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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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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Signal converting apparatus
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Patent number 4,550,308
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Issue date Oct 29, 1985
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Nippon Soken, Inc.
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Norihito Tokura
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H03 - BASIC ELECTRONIC CIRCUITRY
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Rotary driving apparatus
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Patent number 4,546,338
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Issue date Oct 8, 1985
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Nippon Soken, Inc.
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Takaharu Idogaki
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Electromagnetic driving device
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Patent number 4,540,905
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Issue date Sep 10, 1985
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Nippon Soken, Inc.
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Seiji Morino
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Multi-gap spark ignition system
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Patent number 4,535,735
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Issue date Aug 20, 1985
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Nippon Soken, Inc.
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Toru Yoshinaga
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS