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Heat/acoustic wave conversion unit
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Patent number 9,759,157
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Issue date Sep 12, 2017
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NGK Insulators, Ltd.
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Yukio Miyairi
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Honeycomb filter
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Patent number 8,444,739
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Issue date May 21, 2013
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NGK Insulators, Ltd.
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Yukio Mizuno
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Honeycomb filter system
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Patent number 7,972,400
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Issue date Jul 5, 2011
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NGK Insulators, Ltd.
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Yukio Mizuno
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Catalytic converter
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Patent number 7,951,338
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Issue date May 31, 2011
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NGK Insulators, Ltd.
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Yukio Miyairi
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Catalyst body
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Patent number 7,576,028
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Issue date Aug 18, 2009
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NGK Insulators, Ltd.
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Naomi Noda
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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System for exhaust gas purification
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Patent number 7,186,386
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Issue date Mar 6, 2007
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NGK Insulators, Ltd.
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Takuya Hiramatsu
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Catalyst element
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Patent number 7,045,483
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Issue date May 16, 2006
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NGK Insulators, Ltd.
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Naomi Noda
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Ceramic filter and filter device
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Patent number 6,843,817
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Issue date Jan 18, 2005
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NGK Insulators, Ltd.
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Naomi Noda
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Reformer
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Patent number 6,585,940
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Issue date Jul 1, 2003
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NGK Insulators, Ltd.
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Fumio Abe
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Reformer
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Patent number 6,576,203
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Issue date Jun 10, 2003
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NGK Insulators, Ltd.
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Fumio Abe
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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System for exhaust gas purification
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Patent number 6,517,785
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Issue date Feb 11, 2003
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NGK Insulators, Ltd.
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Naomi Noda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Ceramic structure
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Patent number 6,395,370
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Issue date May 28, 2002
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NGK Insulators, Ltd.
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Naomi Noda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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System for exhaust gas purification
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Patent number 6,350,416
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Issue date Feb 26, 2002
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NSK Insulators, Ltd.
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Naomi Noda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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System for exhaust gas purification
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Patent number 6,171,557
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Issue date Jan 9, 2001
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NGK Insulators, Ltd.
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Akira Takahashi
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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