Ryuichi Ohno

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing spark plug
- Patent number 9,899,805
- Issue date Feb 20, 2018
- NGK Spark Plug Co., Ltd.
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug
- Patent number 8,841,828
- Issue date Sep 23, 2014
- NGK Spark Plug Co., Ltd.
- Tomoyuki Igarashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING SPARK PLUG
- Publication number 20160268781
- Publication date Sep 15, 2016
- NGK Spark Plug Co., Ltd.
- Tomoaki KATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG
- Publication number 20140175967
- Publication date Jun 26, 2014
- NGK SPARK PLUG CO., LTD.
- Tomoyuki Igarashi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS