Hirofumi Muranaka

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing center electrode for spark plug
- Patent number 7,073,256
- Issue date Jul 11, 2006
- Denso Corporation
- Hirofumi Muranaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing center electrode for spark plug
- Publication number 20040078971
- Publication date Apr 29, 2004
- Denso Corporation
- Hirofumi Muranaka
- H01 - BASIC ELECTRIC ELEMENTS