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Hook switch
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Patent number 4,874,912
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Issue date Oct 17, 1989
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Hosiden Electronics Co., Ltd.
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Toshio Kakuta
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Switch with plural rotors
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Patent number 4,727,573
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Issue date Feb 23, 1988
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Hosiden Electronics Co., Ltd
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Toshio Kakuta
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Three-piece multiconnector
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Patent number 4,501,465
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Issue date Feb 26, 1985
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Sony Corporation
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Mitsuo Hoshino
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H01 - BASIC ELECTRIC ELEMENTS
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Connector
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Patent number 4,479,686
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Issue date Oct 30, 1984
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Sony Corporation
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Mitsuo Hoshino
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H01 - BASIC ELECTRIC ELEMENTS
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Switch
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Patent number 4,384,177
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Issue date May 17, 1983
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Hosiden Electronics Co. Ltd.
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Toshio Kakuta
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H01 - BASIC ELECTRIC ELEMENTS