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Wireless communications device
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Patent number 7,583,239
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Issue date Sep 1, 2009
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Hitachi Kokusai Electric Inc.
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Yoichi Okubo
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H01 - BASIC ELECTRIC ELEMENTS
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Radio system
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Patent number 6,980,806
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Issue date Dec 27, 2005
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Hitachi Kokusai Electric Inc.
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Mitsuru Muramoto
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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CM type directional coupler
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Patent number 5,233,318
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Issue date Aug 3, 1993
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Kokusai Electric Co., Ltd.
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Kanemi Sasaki
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H01 - BASIC ELECTRIC ELEMENTS
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Band-stop filter
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Patent number 4,983,938
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Issue date Jan 8, 1991
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Kokusai Electric Co., Ltd.
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Kanemi Sasaki
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H01 - BASIC ELECTRIC ELEMENTS
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Branching filter
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Patent number 4,910,481
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Issue date Mar 20, 1990
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Kokusai Denki Kabushiki Kaisha
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Kanemi Sasaki
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Di-electric bandpass filter
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Patent number 4,890,079
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Issue date Dec 26, 1989
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Kokusai Denki Kabushiki Kaisha
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Kanemi Sasaki
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H01 - BASIC ELECTRIC ELEMENTS