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Gold-plated electronic components
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Patent number RE34484
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Issue date Dec 21, 1993
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NGK Spark Plug Co., Ltd.
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Teruyoshi Nagashima
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428 - Stock material or miscellaneous articles
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Thick-film gas-sensitive element
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Patent number RE33980
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Issue date Jun 30, 1992
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NGK Spark Plug Co., Ltd.
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Toshitaka Matsuura
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422 - Chemical apparatus and process disinfecting, deodorizing, preserving, o...
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Gas sensing element
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Patent number 4,958,514
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Issue date Sep 25, 1990
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NGK Spark Plug Co., Ltd.
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Akio Takami
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G01 - MEASURING TESTING
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Gas sensor
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Patent number 4,660,407
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Issue date Apr 28, 1987
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NGK Spark Plug Co., Ltd.
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Akio Takami
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G01 - MEASURING TESTING
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Gas sensor
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Patent number 4,656,863
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Issue date Apr 14, 1987
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NGK Spark Plug Co., Ltd.
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Akio Takami
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G01 - MEASURING TESTING
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Gas sensor
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Patent number 4,652,849
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Issue date Mar 24, 1987
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NGK Spark Plug Co., Ltd.
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Toshitaka Matsuura
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G01 - MEASURING TESTING
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Gas sensor
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Patent number 4,620,437
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Issue date Nov 4, 1986
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NGK Spark Plug Co., Ltd.
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Akio Takami
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G01 - MEASURING TESTING
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Metal-ceramic bonded material
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Patent number 4,532,179
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Issue date Jul 30, 1985
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NGK Spark Plug Co., Ltd
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Akio Takami
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Gold-plated electronic components
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Patent number 4,465,742
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Issue date Aug 14, 1984
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NGK Spark Plug Co., Ltd.
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Teruyoshi Nagashima
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Gas component detector
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Patent number 4,417,228
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Issue date Nov 22, 1983
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NGK Spark Plug Co., Ltd.
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Akio Takami
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G01 - MEASURING TESTING
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Gas sensing element
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Patent number 4,415,877
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Issue date Nov 15, 1983
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NGK Spark Plug Co., Ltd.
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Akio Takami
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G01 - MEASURING TESTING
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Phosphate of calcium ceramics
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Patent number 4,376,168
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Issue date Mar 8, 1983
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NGK Spark Plugs Co., Ltd.
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Akio Takami
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Enameled steel plate
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Patent number 4,309,485
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Issue date Jan 5, 1982
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NGK Spark Plug Co., Ltd.
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Kazuo Kondo
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C03 - GLASS MINERAL OR SLAG WOOL
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Phosphate of calcium ceramics
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Patent number 4,308,064
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Issue date Dec 29, 1981
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NGK Spark Plugs Co., Ltd.
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Akio Takami
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Gas detector
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Patent number 4,288,774
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Issue date Sep 8, 1981
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NGK Spark Plug Co., Ltd.
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Akio Takami
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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