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Kenji Nakase
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for removing phosphorus from phosphorus-containing substance
Patent number
11,649,514
Issue date
May 16, 2023
JFE Steel Corporation
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for oxygen-blowing refining of molten iron and top-blowing l...
Patent number
11,293,069
Issue date
Apr 5, 2022
JFE Steel Corporation
Nobuhiko Oda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for refining hot metal in converter
Patent number
9,957,581
Issue date
May 1, 2018
JFE Steel Corporation
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Grant
Top-blowing lance and method for refining molten iron using the same
Patent number
9,580,764
Issue date
Feb 28, 2017
JFE Steel Corporation
Goro Okuyama
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
TOP-BLOWING LANCE FOR CONVERTER, METHOD FOR ADDING AUXILIARY RAW MA...
Publication number
20240076755
Publication date
Mar 7, 2024
JFE STEEL CORPORATION
Shota AMANO
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN IRON REFINING METHOD
Publication number
20240076754
Publication date
Mar 7, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
REFINING METHOD OF MOLTEN IRON AND MANUFACTURING METHOD OF MOLTEN S...
Publication number
20240068060
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Hidemitsu NEGISHI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REMOVING PHOSPHORUS FROM PHOSPHORUS-CONTAINING SUBSTANCE...
Publication number
20220372591
Publication date
Nov 24, 2022
JFE STEEL CORPORATION
Rei YAMADA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR REMOVING PHOSPHORUS FROM PHOSPHORUS-CONTAINING SUBSTANCE
Publication number
20210071274
Publication date
Mar 11, 2021
JFE STEEL CORPORATION
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OXYGEN-BLOWING REFINING OF MOLTEN IRON AND TOP-BLOWING L...
Publication number
20200392592
Publication date
Dec 17, 2020
JFE STEEL CORPORATION
Nobuhiko Oda
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REFINING HOT METAL IN CONVERTER
Publication number
20150020648
Publication date
Jan 22, 2015
JFE STEEL CORPORATION
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Application
TOP-BLOWING LANCE AND METHOD FOR REFINING MOLTEN IRON USING THE SAME
Publication number
20140298955
Publication date
Oct 9, 2014
Goro Okuyama
C21 - METALLURGY OF IRON