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Daisuke Igawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing coal blend and method of producing coke
Patent number
12,134,736
Issue date
Nov 5, 2024
JFE Steel Corporation
Daisuke Igawa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of estimating surface tension of coal inert material, method...
Patent number
12,110,457
Issue date
Oct 8, 2024
JFE Steel Corporation
Daisuke Igawa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for evaluating coal, method for preparing coal blend, and me...
Patent number
12,061,140
Issue date
Aug 13, 2024
JFE Steel Corporation
Issui Akishika
G01 - MEASURING TESTING
Information
Patent Grant
Method of estimating surface tension of coal and method of producin...
Patent number
12,037,546
Issue date
Jul 16, 2024
JFE Steel Corporation
Daisuke Igawa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
AGGLOMERATED ORE ASSESSING METHOD AND AGGLOMERATED ORE
Publication number
20240287631
Publication date
Aug 29, 2024
JFE STEEL CORPORATION
Yuya MORITA
C21 - METALLURGY OF IRON
Information
Patent Application
ORE CRUSHING METHOD AND PELLET PRODUCTION METHOD
Publication number
20240271245
Publication date
Aug 15, 2024
JFE STEEL CORPORATION
Kenta TAKEHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PREPARING COAL OR CAKING ADDITIVE AND METHOD FOR PRODUCI...
Publication number
20230323211
Publication date
Oct 12, 2023
JFE STEEL CORPORATION
Issui AKISHIKA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD FOR EVALUATING THERMOPLASTICITY OF COAL OR CAKING ADDITIVE
Publication number
20230296486
Publication date
Sep 21, 2023
JFE STEEL CORPORATION
Issui AKISHIKA
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF PRODUCING COAL BLEND AND METHOD OF PRODUCING COKE
Publication number
20230051325
Publication date
Feb 16, 2023
JFE STEEL CORPORATION
Daisuke Igawa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD OF ESTIMATING SURFACE TENSION OF COAL AND METHOD OF PRODUCIN...
Publication number
20220389326
Publication date
Dec 8, 2022
JFE STEEL CORPORATION
Daisuke Igawa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD OF ESTIMATING SURFACE TENSION OF COAL INERT MATERIAL, METHOD...
Publication number
20220290054
Publication date
Sep 15, 2022
JFE STEEL CORPORATION
Daisuke Igawa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD FOR EVALUATING COAL, METHOD FOR PREPARING COAL BLEND, AND ME...
Publication number
20220170835
Publication date
Jun 2, 2022
JFE STEEL CORPORATION
Issui AKISHIKA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD OF EVALUATING COAL, METHODS OF PREPARING COAL BLEND, AND MET...
Publication number
20220163501
Publication date
May 26, 2022
JFE STEEL CORPORATION
Daisuke Igawa
G01 - MEASURING TESTING