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Wireless IC tag
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Patent number 9,016,588
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Issue date Apr 28, 2015
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Mitomo Corporation
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Kikuo Kaga
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G06 - COMPUTING CALCULATING COUNTING
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Wireless identification tag
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Patent number 8,514,060
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Issue date Aug 20, 2013
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Mitomo Corporation
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Kikuo Kaga
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B28 - WORKING CEMENT, CLAY, OR STONE
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Wireless identification tag
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Patent number 8,149,121
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Issue date Apr 3, 2012
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Mitomo Corporation
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Kikuo Kaga
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B28 - WORKING CEMENT, CLAY, OR STONE
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Cement distribution system
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Patent number 6,826,448
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Issue date Nov 30, 2004
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Mitomo Corporation
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Kikuo Kaga
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G06 - COMPUTING CALCULATING COUNTING
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Method of producing concrete
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Patent number 4,795,263
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Issue date Jan 3, 1989
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Sumitomo Corporation
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Kikuo Kaga
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B28 - WORKING CEMENT, CLAY, OR STONE