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Hideaki Kamohara
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Kudamatsu, JP
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last 30 patents
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Patent Grant
Truss-type girder for supporting a movable body
Patent number
4,489,659
Issue date
Dec 25, 1984
Hitachi, Ltd.
Hideaki Kamohara
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Joint for framework structure
Patent number
4,425,048
Issue date
Jan 10, 1984
Hitachi, Ltd.
Hideaki Kamohara
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Method of correcting distorted pipe end
Patent number
4,262,517
Issue date
Apr 21, 1981
Hitachi, Ltd.
Hideaki Kamohara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Tube-hole structure for expanded tube-to-tube-sheet joint
Patent number
4,142,581
Issue date
Mar 6, 1979
Hitachi, Ltd.
Yuji Yoshitomi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...