Kouji YAMANAKA

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Nishio-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug for internal combustion engine
- Patent number 9,397,482
- Issue date Jul 19, 2016
- Denso Corporation
- Kouji Yamanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug designed to increase service life thereof
- Patent number 8,841,825
- Issue date Sep 23, 2014
- Denso Corporation
- Kouji Yamanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug for an internal combustion engine
- Patent number 8,810,119
- Issue date Aug 19, 2014
- Denso Corporation
- Toshikazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE
- Publication number 20150194793
- Publication date Jul 9, 2015
- DENSO CORPORATION
- Kouji YAMANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG FOR AN INTERNAL COMBUSTION ENGINE
- Publication number 20140021853
- Publication date Jan 23, 2014
- Toshikazu SHIMIZU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG DESIGNED TO INCREASE SERVICE LIFE THEREOF
- Publication number 20130038197
- Publication date Feb 14, 2013
- DENSO CORPORATION
- Kouji YAMANAKA
- H01 - BASIC ELECTRIC ELEMENTS