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Sealing device
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Patent number 8,840,387
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Issue date Sep 23, 2014
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Sumitomo Chemical Company, Limited
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Kousuke Uoe
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B28 - WORKING CEMENT, CLAY, OR STONE
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Particulate filter
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Patent number D676120
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Issue date Feb 12, 2013
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Sumitomo Chemical Company, Limited
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Teruo Komori
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D23 - Environmental heating and cooling
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Particulate filter
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Patent number D676121
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Issue date Feb 12, 2013
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Sumitomo Chemical Company Limited
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Teruo Komori
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D23 - Environmental heating and cooling
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Particulate filter
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Patent number D675718
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Issue date Feb 5, 2013
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Sumitomo Chemical Company, Limited
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Teruo Komori
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D23 - Environmental heating and cooling