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Electric wave absorber
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Patent number 6,259,394
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Issue date Jul 10, 2001
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TDK Corporation
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Taku Murase
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H01 - BASIC ELECTRIC ELEMENTS
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Radio wave absorbent
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Patent number 6,210,597
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Issue date Apr 3, 2001
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TDK Corporation
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Taku Murase
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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MnMgCuZn ferrite material
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Patent number 6,200,493
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Issue date Mar 13, 2001
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TDK Corporation
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Taku Murase
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Ferrite and inductor
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Patent number 6,033,594
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Issue date Mar 7, 2000
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TDK Corporation
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Yasushi Enokido
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES