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Handa, JP
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last 30 patents
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Patent Grant
Apparatus for manufacturing a welded pipe
Patent number
5,784,911
Issue date
Jul 28, 1998
Kusakabe Electric & Machinery Co., Ltd.
Yuji Hashimoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Roller width adjusting device for a divided type molding roller
Patent number
5,599,264
Issue date
Feb 4, 1997
Kawasaki Steel Corporation
Yuji 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