Harumi Niwa

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Tajimi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of cylindrical member and manufacturing method...
- Patent number 8,211,348
- Issue date Jul 3, 2012
- Tokai Rubber Industries, Ltd.
- Norimasa Kuki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Manufacturing Method of Cylindrical Member and Manufacturing Method...
- Publication number 20100327486
- Publication date Dec 30, 2010
- TOKAI RUBBER INDUSTRIES, LTD.
- Norimasa Kuki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...