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Yasuo Doi
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Nukata-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wiring board and method of producing wiring board
Patent number
6,689,641
Issue date
Feb 10, 2004
NGK Spark Plug Co., Ltd.
Sumio Ohta
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for producing a substrate and plating apparatus
Patent number
6,495,211
Issue date
Dec 17, 2002
NGK Spark Plug Co., Ltd.
Masahiro Iba
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Wiring board and method of producing wiring board
Publication number
20020066595
Publication date
Jun 6, 2002
NGK SPARK PLUG CO., LTD.
Sumio Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Process for producing a substrate and plating apparatus
Publication number
20010053562
Publication date
Dec 20, 2001
NGK SPARK PLUG CO., LTD.
Masahiro Iba
H01 - BASIC ELECTRIC ELEMENTS