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Ryoji HIROTA
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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Martensitic stainless-steel sheet and metal gasket
Patent number
10,371,261
Issue date
Aug 6, 2019
NIPPON STEEL NISSHIN CO., LTD.
Hiroyasu Matsubayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing high elastic limit nonmagnetic steel material...
Patent number
10,125,404
Issue date
Nov 13, 2018
Nisshin Steel Co., Ltd.
Hiroyasu Matsubayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Austenitic stainless steel sheet and metal gasket
Patent number
10,060,003
Issue date
Aug 28, 2018
Nisshin Steel Co., Ltd.
Hiroyasu Matsubayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Fatigue testing device
Patent number
9,921,130
Issue date
Mar 20, 2018
Nisshin Steel Co., Ltd.
Sadayuki Nakamura
G01 - MEASURING TESTING
Information
Patent Grant
FE-CR soft magnetic material and a method of manufacturing thereof
Patent number
6,599,376
Issue date
Jul 29, 2003
Nisshin Steel Co., Ltd.
Hiroshi Morikawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Stepping motor with rust inhibiting and eddy current minimizing cha...
Patent number
6,222,286
Issue date
Apr 24, 2001
Nisshin Steel Co., Ltd.
Kazuyuki Watanabe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Soft magnetic alloy material
Patent number
5,211,771
Issue date
May 18, 1993
Nisshin Steel Company, Ltd.
Takuji Okiyama
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
MARTENSITIC STAINLESS-STEEL SHEET AND METAL GASKET
Publication number
20170114900
Publication date
Apr 27, 2017
NISSHIN STEEL CO., LTD.
Hiroyasu MATSUBAYASHI
C21 - METALLURGY OF IRON
Information
Patent Application
FATIGUE TESTING DEVICE
Publication number
20160033357
Publication date
Feb 4, 2016
NISSHIN STEEL CO., LTD.
Sadayuki NAKAMURA
G01 - MEASURING TESTING
Information
Patent Application
AUSTENITIC STAINLESS STEEL SHEET AND METHOD FOR PRODUCING HIGH ELAS...
Publication number
20150376729
Publication date
Dec 31, 2015
NISSHIN STEEL CO., LTD.
Hiroyasu MATSUBAYASHI
C21 - METALLURGY OF IRON
Information
Patent Application
FR-CR soft magnetic material and a method of manufacturing thereof
Publication number
20020104586
Publication date
Aug 8, 2002
Nisshin Steel Co., Ltd.
Hiroshi Morikawa
C21 - METALLURGY OF IRON