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Kazuo Yamazaki
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Neyagawa-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wire for reed switch, reed piece for reed switch, and reed switch
Patent number
10,731,235
Issue date
Aug 4, 2020
Sumitomo Electric Industries, Ltd.
Hajime Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electrode material and electrode for ignition plug, and ignition plug
Patent number
10,323,303
Issue date
Jun 18, 2019
Sumitomo Electric Industries, Ltd.
Hajime Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for evaluation testing of material for internal combustion e...
Patent number
9,702,838
Issue date
Jul 11, 2017
Sumitomo Electric Industries, Ltd.
Hajime Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Spark plug for internal combustion engine
Patent number
8,288,928
Issue date
Oct 16, 2012
NGK Spark Plug Co., Ltd.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug
Patent number
8,164,242
Issue date
Apr 24, 2012
NGK Spark Plug Co., Ltd.
Osamu Yoshimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug for internal combustion engine
Patent number
7,825,571
Issue date
Nov 2, 2010
NGK Spark Plug Co., Ltd.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preparing porous metallic body and porous metallic body...
Patent number
5,798,033
Issue date
Aug 25, 1998
Sumitomo Electric Industries, Ltd.
Takafumi Uemiya
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Copper clad aluminum composite wire
Patent number
5,223,349
Issue date
Jun 29, 1993
Sumitomo Electric Industries, Ltd.
Kazunao Kudo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Wire conductors for automobiles
Patent number
5,170,015
Issue date
Dec 8, 1992
Sumitomo Electric Industries, Ltd.
Kazunao Kudo
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
WIRE FOR REED SWITCH, REED PIECE FOR REED SWITCH, AND REED SWITCH
Publication number
20190017152
Publication date
Jan 17, 2019
Sumitomo Electric Industries, Ltd.
Hajime OTA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ELECTRODE MATERIAL AND ELECTRODE FOR IGNITION PLUG, AND IGNITION PLUG
Publication number
20180363102
Publication date
Dec 20, 2018
Sumitomo Electric Industries, Ltd.
Hajime OTA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR EVALUATION TESTING OF MATERIAL FOR INTERNAL COMBUSTION E...
Publication number
20150330922
Publication date
Nov 19, 2015
Sumitomo Electric Industries, Ltd.
Hajime OTA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
WIRE FOR REED SWITCH, REED FOR REED SWITCH, AND REED SWITCH
Publication number
20150162142
Publication date
Jun 11, 2015
Sumitomo Electric Industries, Ltd.
Hajime Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR EVALUATION TESTING OF MATERIAL FOR INTERNAL COMBUSTION E...
Publication number
20150017729
Publication date
Jan 15, 2015
SIMITOMO ELECTRIC INDUSTRIES, LTD.
Hajime Ota
G01 - MEASURING TESTING
Information
Patent Application
ELECTRODE MATERIAL, SPARK-PLUG ELECTRODE, AND SPARK PLUG
Publication number
20140370258
Publication date
Dec 18, 2014
Hajime Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ELECTRODE MEMBER FOR COLD CATHODE FLUORESCENT LAMP
Publication number
20110027586
Publication date
Feb 3, 2011
Sumitomo Electric Industries, Ltd.
Akihisa Hosoe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE
Publication number
20110012500
Publication date
Jan 20, 2011
NGK SPARK PLUG CO., LTD.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRODE MEMBER FOR COLD CATHODE FLUORESCENT LAMP
Publication number
20100013371
Publication date
Jan 21, 2010
Sumitomo Electric Industries, Ltd.
Yoshihiro Nakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRODE FOR COLD-CATHODE FLUORESCENT LAMP
Publication number
20090128001
Publication date
May 21, 2009
Sumitomo Electric Industries, Ltd.
Koji Nitta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRODE FOR COLD-CATHODE FLUORESCENT LAMP
Publication number
20090108731
Publication date
Apr 30, 2009
Sumitomo Electric Industries, Ltd.
Koji Nitta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SPARK PLUG
Publication number
20090009048
Publication date
Jan 8, 2009
NGK SPARK PLUG CO., LTD.
Osamu YOSHIMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Spark plug for internal combustion engine
Publication number
20060170320
Publication date
Aug 3, 2006
NGK SPARK PLUG CO., LTD.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS