Yoshitaka Matsushita

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal gaskets for cylinder heads, and methods for manufacturing same
- Patent number 8,939,452
- Issue date Jan 27, 2015
- Nippon Leakless Industry Co., Ltd.
- Yoshitaka Matsushita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal gasket for cylinder head
- Patent number 7,703,775
- Issue date Apr 27, 2010
- Nippon Leakless Industry Co., Ltd.
- Yoshitaka Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal gasket assembly for cylinder head
- Patent number 6,378,876
- Issue date Apr 30, 2002
- Nippon Leakless Industry Co., Ltd.
- Yoshitaka Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal gasket
- Patent number 5,161,809
- Issue date Nov 10, 1992
- Nippon Leakless Industry Co., Ltd.
- Yoshitaka Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING METAL GASKET FOR CYLINDER HEAD, AND METAL...
- Publication number 20120319361
- Publication date Dec 20, 2012
- Yoshitaka Matsushita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Metal Gasket for Cylinder Head
- Publication number 20070290452
- Publication date Dec 20, 2007
- NIPPON LEAKLESS INDUSTRY CO., LTD
- Yoshitaka Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...