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Electroacoustic conversion device
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Patent number 12,177,626
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Issue date Dec 24, 2024
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PANASONIC AUTOMOTIVE SYSTEMS CO., LTD.
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Satoshi Itoh
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Speaker device
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Patent number 11,218,812
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Issue date Jan 4, 2022
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PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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Shinya Kagawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Electroacoustic transducer
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Patent number 10,506,335
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Issue date Dec 10, 2019
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PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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Shinya Kagawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Loudspeaker
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Patent number 9,756,426
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Issue date Sep 5, 2017
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PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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Hiroko Tsutsumi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Video display device
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Patent number 9,462,213
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Issue date Oct 4, 2016
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PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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Kenji Yamauchi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Loudspeaker device
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Patent number 8,073,149
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Issue date Dec 6, 2011
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Panasonic Corporation
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Mitsukazu Kuze
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker system
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Patent number 7,974,423
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Issue date Jul 5, 2011
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Panasonic Corporation
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Toshiyuki Matsumura
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Speaker device
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Patent number 7,840,022
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Issue date Nov 23, 2010
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Panasonic Corporation
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Toshiyuki Matsumura
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Speaker system
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Patent number 7,477,755
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Issue date Jan 13, 2009
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Panasonic Corporation
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Shuji Saiki
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker system
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Patent number 7,463,747
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Issue date Dec 9, 2008
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Panasonic Corporation
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Mitsukazu Kuze
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Speaker
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Patent number 6,842,529
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Issue date Jan 11, 2005
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Matsushita Electric Industrial Co., Ltd.
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Satoshi Koura
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker
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Patent number 6,836,551
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Issue date Dec 28, 2004
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Matsushita Electric Industrial Co., Ltd.
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Mitsukazu Kuze
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Piezoelectric loudspeaker
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Patent number 6,747,395
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Issue date Jun 8, 2004
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Matsushita Electric Industrial Co., Ltd.
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Kazue Satoh
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker
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Patent number 6,700,987
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Issue date Mar 2, 2004
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Matsushita Electric Industrial Co., Ltd.
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Mitsukazu Kuze
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker damper and loudspeaker
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Patent number 6,655,495
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Issue date Dec 2, 2003
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Matsushita Electric Industrial Co., Ltd.
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Mitsukazu Kuze
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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