Kazuo Koizumi

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Kobe-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Valve structure and valve device having same field of the invention
- Publication number 20070170389
- Publication date Jul 26, 2007
- Kazuo Koizumi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Metal bellows tube, method of producing the same, and flexible tube...
- Publication number 20060151041
- Publication date Jul 13, 2006
- Kazuo Koizumi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...