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Yasumitsu Onoe
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Kitakyushu, JP
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last 30 patents
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Patent Grant
High toughness low yield ratio, high fatigue strength steel plate a...
Patent number
5,454,883
Issue date
Oct 3, 1995
Nippon Steel Corporation
Atsuhiko Yoshie
C21 - METALLURGY OF IRON
Information
Patent Grant
Cooling apparatus for thick steel plate
Patent number
4,591,133
Issue date
May 27, 1986
Nippon Steel Corporation
Masaki Umeno
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producing steel having high strength and toughness
Patent number
4,591,396
Issue date
May 27, 1986
Nippon Steel Corporation
Hiroo Mazuda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making wrought high tension steel having superior low tem...
Patent number
4,521,258
Issue date
Jun 4, 1985
Nippon Steel Corporation
Hiroshi Tamehiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing steel strip or steel sheet containing carbide...
Patent number
4,125,416
Issue date
Nov 14, 1978
Nippon Steel Corporation
Hiroshi Katoh
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for treating continuously cast steel slabs
Patent number
4,116,729
Issue date
Sep 26, 1978
Nippon Steel Corporation
Hiroshi Katoh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...