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Speaker system
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Patent number 6,259,799
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Issue date Jul 10, 2001
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Mitsubishi Denki Kabushiki Kaisha
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Seiki Suzuki
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Speaker system
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Patent number 6,148,088
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Issue date Nov 14, 2000
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Mitsubishi Denki Kabushiki Kaisha
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Seiki Suzuki
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Acoustic replay device
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Patent number 5,953,431
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Issue date Sep 14, 1999
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Mitsubishi Denki Kabushiki Kaisha
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Noboru Yashima
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Speaker system
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Patent number 5,432,860
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Issue date Jul 11, 1995
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Mitsubishi Denki Kabushiki Kaisha
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Syoji Kasajima
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Acoustic system
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Patent number 5,384,856
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Issue date Jan 24, 1995
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Mitsubishi Denki Kabushiki Kaisha
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Noboru Kyouno
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H04 - ELECTRIC COMMUNICATION TECHNIQUE