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Junko Imamura
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Amagasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Titanium material, separator, cell, and polymer electrolyte fuel ce...
Patent number
11,764,368
Issue date
Sep 19, 2023
Nippon Steel Corporation
Hideya Kaminaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stainless steel sheet and method of manufacturing the same, separat...
Patent number
11,326,224
Issue date
May 10, 2022
NIPPON STEEL STAINLESS STEEL CORPORATION
Hideya Kaminaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Titanium product, separator, and proton exchange membrane fuel cell...
Patent number
10,505,205
Issue date
Dec 10, 2019
Nippon Steel Corporation
Junko Imamura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Titanium material or titanium alloy material having surface electri...
Patent number
10,305,119
Issue date
May 28, 2019
Nippon Steel & Sumitomo Metal Corporation
Kazuhiro Takahashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Metallic material, and conductive component including the same
Patent number
10,230,115
Issue date
Mar 12, 2019
Nippon Steel & Sumitomo Metal Corporation
Yoshitaka Nishiyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Titanium material or titanium alloy material having surface electri...
Patent number
10,033,052
Issue date
Jul 24, 2018
Nippon Steel & Sumitomo Metal Corporation
Kazuhiro Takahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Stainless steel sheet for a separator for a solid polymer fuel cell...
Patent number
9,680,162
Issue date
Jun 13, 2017
Nippon Steel & Sumitomo Metal Corporation
Hideya Kaminaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Stainless steel material for a separator of a solid polymer fuel ce...
Patent number
9,312,546
Issue date
Apr 12, 2016
Nippon Steel & Sumitomo Metal Corporation
Hideya Kaminaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Duplex stainless steel having excellent alkali resistance
Patent number
8,603,263
Issue date
Dec 10, 2013
Nippon Steel & Sumitomo Metal Corporation
Hideya Kaminaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
TITANIUM MATERIAL, SEPARATOR, FUEL CELL, AND FUEL CELL STACK
Publication number
20210066729
Publication date
Mar 4, 2021
NIPPON STEEL CORPORATION
Hideya KAMINAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STAINLESS STEEL SHEET AND METHOD OF MANUFACTURING THE SAME, SEPARAT...
Publication number
20200283867
Publication date
Sep 10, 2020
NIPPON STEEL STAINLESS STEEL CORPORATION
Hideya KAMINAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Titanium Material, Separator, Cell, and Polymer Electrolyte Fuel Ce...
Publication number
20200091523
Publication date
Mar 19, 2020
NIPPON STEEL CORPORATION
Hideya Kaminaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TITANIUM PRODUCT, SEPARATOR AND POLYMER ELECTROLYTE FUEL CELL
Publication number
20180323447
Publication date
Nov 8, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Junko IMAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TITANIUM PRODUCT
Publication number
20180191000
Publication date
Jul 5, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Junko IMAMURA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
TITANIUM PRODUCT, SEPARATOR, AND PROTON EXCHANGE MEMBRANE FUEL CELL...
Publication number
20180047997
Publication date
Feb 15, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Junko IMAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STAINLESS STEEL SHEET FOR POLYMER ELECTROLYTE FUEL CELL SEPARATOR
Publication number
20180034070
Publication date
Feb 1, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yoshio TARUTANI
C21 - METALLURGY OF IRON
Information
Patent Application
DUPLEX STAINLESS STEEL AND METHOD FOR PRODUCING THE SAME
Publication number
20170327915
Publication date
Nov 16, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroshi KAMIO
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL MATERIAL, AND, SEPARATOR FOR SOLID POLYMER...
Publication number
20170298488
Publication date
Oct 19, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yoshio TARUTANI
C21 - METALLURGY OF IRON
Information
Patent Application
METALLIC MATERIAL, AND CONDUCTIVE COMPONENT INCLUDING THE SAME
Publication number
20170237084
Publication date
Aug 17, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yoshitaka NISHIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TITANIUM MATERIAL FOR SEPARATOR OF SOLID POLYMER FUEL CELL, SEPARAT...
Publication number
20170077527
Publication date
Mar 16, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Junko IMAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITE METAL FOIL FOR FUEL CELL SEPARATOR, FUEL CELL SEPARATOR,...
Publication number
20160336600
Publication date
Nov 17, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Taku KAGAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TITANIUM MATERIAL OR TITANIUM ALLOY MATERIAL HAVING SURFACE ELECTRI...
Publication number
20160329575
Publication date
Nov 10, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kazuhiro TAKAHASHI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TITANIUM MATERIAL OR TITANIUM ALLOY MATERIAL HAVING SURFACE ELECTRI...
Publication number
20160308222
Publication date
Oct 20, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kazuhiro TAKAHASHI
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
DUPLEX STAINLESS STEEL HAVING EXCELLENT ALKALI RESISTANCE
Publication number
20120244031
Publication date
Sep 27, 2012
Sumitomo Metal Industries, Ltd.
Hideya KAMINAKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STAINLESS STEEL SHEET FOR A SEPARATOR FOR A SOLID POLYMER FUEL CELL...
Publication number
20110250522
Publication date
Oct 13, 2011
Sumitomo Metal Industries, Ltd.
Hideya KAMINAKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
STAINLESS STEEL MATERIAL FOR A SEPARATOR OF A SOLID POLYMER FUEL CE...
Publication number
20110159397
Publication date
Jun 30, 2011
Sumitomo Metal Industries, Ltd.
Hideya KAMINAKA
C21 - METALLURGY OF IRON