Masayuki Segawa

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug
- Patent number 9,948,069
- Issue date Apr 17, 2018
- NGK Spark Plug Co., Ltd.
- Masayuki Segawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug
- Patent number 6,864,622
- Issue date Mar 8, 2005
- NGK Spark Plug Co., Ltd.
- Wataru Matsutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug with nickel alloy electrode base material
- Patent number 6,724,133
- Issue date Apr 20, 2004
- NGK Spark Plug Co., Ltd.
- Naomichi Miyashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug internal combustion engine
- Patent number 6,710,523
- Issue date Mar 23, 2004
- NGK Spark Plug Co., Ltd.
- Masayuki Segawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug
- Patent number 6,664,719
- Issue date Dec 16, 2003
- NGK Spark Plug Co., Ltd.
- Wataru Matsutani
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG
- Publication number 20170033539
- Publication date Feb 2, 2017
- NGK Spark Plug Co., Ltd.
- Masayuki SEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spark plug
- Publication number 20040027042
- Publication date Feb 12, 2004
- Wataru Matsutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spark plug
- Publication number 20030038576
- Publication date Feb 27, 2003
- NGK SPARK PLUG CO., LTD.
- Wataru Matsutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spark plug internal combustion engine
- Publication number 20030015951
- Publication date Jan 23, 2003
- Masayuki Segawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spark plug
- Publication number 20020079800
- Publication date Jun 27, 2002
- NGK SPARK PLUG CO., LTD.
- Naomichi Miyashita
- H01 - BASIC ELECTRIC ELEMENTS