Keita SUGIHARA

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Nagoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metallic shell for spark plug and spark plug using the same
- Patent number 11,749,971
- Issue date Sep 5, 2023
- NGK Spark Plug Co., Ltd.
- Takahiro Sanda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METALLIC SHELL AND SPARK PLUG
- Publication number 20240186769
- Publication date Jun 6, 2024
- Niterra Co., Ltd.
- Takahiro SANDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METALLIC SHELL FOR SPARK PLUG AND SPARK PLUG USING THE SAME
- Publication number 20230268722
- Publication date Aug 24, 2023
- NGK SPARK PLUG CO., LTD.
- Takahiro SANDA
- H01 - BASIC ELECTRIC ELEMENTS