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Converter for planar antenna
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Patent number 4,999,592
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Issue date Mar 12, 1991
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Matsushita Electric Works, Ltd.
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Minoru Kanda
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H01 - BASIC ELECTRIC ELEMENTS
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Planar antenna
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Patent number 4,829,309
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Issue date May 9, 1989
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Matsushita Electric Works, Ltd.
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Katsuya Tsukamoto
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H01 - BASIC ELECTRIC ELEMENTS
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Microwave plane antenna
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Patent number 4,728,962
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Issue date Mar 1, 1988
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Matsushita Electric Works, Ltd.
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Yoshihiro Kitsuda
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H01 - BASIC ELECTRIC ELEMENTS