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Artificial stone wall panel
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Patent number 7,371,441
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Issue date May 13, 2008
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Availus Corporation
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Mieko Sakai
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Artificial stone and formation therefor
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Patent number 7,291,288
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Issue date Nov 6, 2007
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AVAILVS Corporation
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Sumiyo Yamanashi
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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High-hardness, soft composite material
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Patent number 6,750,283
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Issue date Jun 15, 2004
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Doppel Co., Ltd.
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Mieko Sakai
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Non-slip artificial stone
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Patent number 6,365,662
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Issue date Apr 2, 2002
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Doppel Co., Ltd.
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Mieko Sakai
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Artificial stone
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Patent number 6,309,562
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Issue date Oct 30, 2001
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Doppel Co., Ltd.
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Mieko Sakai
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES