Kazuhiko Tanaka

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Kuwana, JP

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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
Information Patent Grant
Printing apparatus and method for spark plug insulator
- Patent number 6,915,759
- Issue date Jul 12, 2005
- Denso Corporation
- Kazuhiko Tanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fabrication method of metal shell of spark plug
- Patent number 6,792,786
- Issue date Sep 21, 2004
- Denso Corporation
- Kazuhiko Tanaka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Sparkplug manufacturing method
- Patent number 6,357,274
- Issue date Mar 19, 2002
- Denso Corporation
- Kazuhiko Tanaka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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
Information Patent Application
Printing apparatus and method for spark plug insulator
- Publication number 20040020380
- Publication date Feb 5, 2004
- Kazuhiko Tanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Fabrication method of metal shell of spark plug
- Publication number 20030005740
- Publication date Jan 9, 2003
- Kazuhiko Tanaka
- H01 - BASIC ELECTRIC ELEMENTS