Akio Sakura

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a spark plug, and spark plug
- Patent number 6,997,767
- Issue date Feb 14, 2006
- NGK Spark Plug Co., Ltd.
- Yutaka Taniguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing spark plug and spark plug
- Patent number 6,750,597
- Issue date Jun 15, 2004
- NGK Spark Plug, Co., Ltd.
- Akio Sakura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug for an internal combustion engine
- Patent number 5,877,584
- Issue date Mar 2, 1999
- NGK Spark Plug Co., Ltd.
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Center electrode structure for spark plug
- Patent number 4,814,665
- Issue date Mar 21, 1989
- NGK Spark Plug Co. Ltd.
- Akio Sakura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Center electrode structure for spark plug
- Patent number 4,808,135
- Issue date Feb 28, 1989
- NGK Spark Plug Co., Ltd.
- Akio Sakura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing a spark plug, and spark plug
- Publication number 20040189169
- Publication date Sep 30, 2004
- NGK SPARK PLUG CO., LTD.
- Yutaka Taniguchi
- H01 - BASIC ELECTRIC ELEMENTS