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Particulate filter
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Patent number 7,871,452
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Issue date Jan 18, 2011
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Mazda Motor Corporation
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Hiroshi Yamada
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Burned gas purifying catalyst
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Patent number 6,420,306
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Issue date Jul 16, 2002
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Mazda Motor Corporation
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Takahiro Kurokawa
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Burned gas purifying catalyst
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Patent number 5,958,826
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Issue date Sep 28, 1999
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Mazda Motor Corporation
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Takahiro Kurokawa
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Burned gas purifying catalyst
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Patent number 5,677,258
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Issue date Oct 14, 1997
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Mazda Motor Corporation
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Takahiro Kurokawa
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES