Yuuji Hashimoto

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Welded steel pipe manufacturing apparatus and method
- Patent number 5,673,579
- Issue date Oct 7, 1997
- Kawasaki Steel Corporation
- Yuuji Hashimoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Machine for manufacturing welded steel pipes and method for handlin...
- Patent number 5,301,869
- Issue date Apr 12, 1994
- Kawasaki Steel Corporation
- Takaaki Toyooka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR