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Shunkichi Nozaki
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Aichi, JP
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last 30 patents
Information
Patent Grant
Ceramic heater
Patent number
5,264,681
Issue date
Nov 23, 1993
NGK Spark Plug Co., Ltd.
Shunkichi Nozaki
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Silicon nitride glow plug with alumina corrosion and erosion protec...
Patent number
4,786,781
Issue date
Nov 22, 1988
NGK Spark Plug Co., Ltd.
Shunkichi Nozaki
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Ceramic heater
Patent number
4,690,872
Issue date
Sep 1, 1987
NGK Spark Plug Co., Ltd
Norio Kato
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing silicon carbide heating elements
Patent number
4,668,452
Issue date
May 26, 1987
NGK Spark Plug Co., Ltd.
Masakazu Watanabe
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sintered silicon carbide materials having metallized surface and pr...
Patent number
4,469,658
Issue date
Sep 4, 1984
NGK Spark Plug Co., Ltd.
Yukihiro Kimura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...