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HIROYOSHI FUJIHARA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Martensitic stainless steel strip and method for producing same
Patent number
11,814,697
Issue date
Nov 14, 2023
PROTERIAL, LTD.
Hiroyoshi Fujihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing martensitic stainless steel strip
Patent number
11,008,637
Issue date
May 18, 2021
Hitachi Metals, Ltd.
Hiroyoshi Fujihara
F27 - FURNACES KILNS OVENS RETORTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING MARTENSITIC STAINLESS STEEL STRIP, AND MARTENS...
Publication number
20230075843
Publication date
Mar 9, 2023
Hitachi Metals, Ltd.
HIROYOSHI FUJIHARA
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL STRIP AND METHOD FOR PRODUCING SAME
Publication number
20210292868
Publication date
Sep 23, 2021
Hitachi Metals, Ltd.
HIROYOSHI FUJIHARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING MARTENSITIC STAINLESS STEEL STRIP
Publication number
20180195145
Publication date
Jul 12, 2018
Hitachi Metals, Ltd.
HIROYOSHI FUJIHARA
C21 - METALLURGY OF IRON