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Ibaraki, JP
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last 30 patents
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Patent Grant
Method of manufacturing a pipe coated with a resin layer on the inn...
Patent number
5,356,665
Issue date
Oct 18, 1994
Hitachi Cable, Ltd.
Kuniaki Seki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pipe coated with a resin layer on the inner surface thereof
Patent number
5,207,248
Issue date
May 4, 1993
Hitachi Cable, Ltd.
Kuniaki Seki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for manufacturing metallic tube members
Patent number
4,838,063
Issue date
Jun 13, 1989
Hitachi Cable, Ltd.
Sinichi Nishiyama
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...