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Composite duplexer
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Patent number 7,629,862
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Issue date Dec 8, 2009
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Panasonic Corporation
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Yuki Satoh
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Antenna duplexer
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Patent number 7,239,217
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Issue date Jul 3, 2007
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Matsushita Electric Industrial Co., Ltd.
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Yuki Satoh
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Portable radio
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Patent number 7,136,018
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Issue date Nov 14, 2006
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Matsushita Electric Industrial Company, Ltd.
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Akihiko Iguchi
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H01 - BASIC ELECTRIC ELEMENTS
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Surface acoustic wave filter
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Patent number 7,106,150
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Issue date Sep 12, 2006
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Matsushita Electric Industrial Co., Ltd.
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Koji Seo
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H01 - BASIC ELECTRIC ELEMENTS
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Wireless device having antenna
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Patent number 7,084,831
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Issue date Aug 1, 2006
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Matsushita Electric Industrial Co., Ltd.
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Naoyuki Takagi
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H01 - BASIC ELECTRIC ELEMENTS
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-
-
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High-frequency switch
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Patent number 6,998,932
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Issue date Feb 14, 2006
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Matsushita Electric Industrial Co., Ltd.
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Yutaka Taguchi
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H01 - BASIC ELECTRIC ELEMENTS
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-
-
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High frequency laminated device
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Patent number 6,911,890
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Issue date Jun 28, 2005
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Matsushita Electric Industrial Co., Ltd.
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Yuki Satoh
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H01 - BASIC ELECTRIC ELEMENTS
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High frequency low-pass filter
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Patent number 6,895,228
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Issue date May 17, 2005
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Matsushita Electric Industrial Co., Ltd.
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Yuki Satoh
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H03 - BASIC ELECTRONIC CIRCUITRY
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Antenna duplexer
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Patent number 6,891,449
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Issue date May 10, 2005
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Matsushita Electric Industrial Co., Ltd.
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Ryoichi Takayama
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H03 - BASIC ELECTRONIC CIRCUITRY
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-
-
-
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Multi-frequency antenna duplexer
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Patent number 6,759,924
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Issue date Jul 6, 2004
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Matsushita Electric Industrial Co., Ltd.
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Toru Sakuragawa
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H03 - BASIC ELECTRONIC CIRCUITRY
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-
-
-
-
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Multiplexer/branching filter
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Patent number 6,335,663
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Issue date Jan 1, 2002
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Matsushita Electric Industrial Co., Ltd.
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Yuki Satoh
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C03 - GLASS MINERAL OR SLAG WOOL