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Takumi Umada
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Chiyoda-ku, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Grain-oriented electromagnetic steel sheet and method of producing...
Patent number
11,781,196
Issue date
Oct 10, 2023
JFE Steel Corporation
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface treatment facility
Patent number
11,732,348
Issue date
Aug 22, 2023
JFE Steel Corporation
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented electromagnetic steel sheet and method for producing...
Patent number
11,326,219
Issue date
May 10, 2022
JFE Steel Corporation
Shigehiro Takajo
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
11,293,070
Issue date
Apr 5, 2022
JFE Steel Corporation
Takashi Terashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and production method for gra...
Patent number
11,180,834
Issue date
Nov 23, 2021
JFE Steel Corporation
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Oriented electromagnetic steel sheet and method for manufacturing o...
Patent number
11,091,842
Issue date
Aug 17, 2021
JFE Steel Corporation
Takumi Umada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grain-oriented electrical steel sheet and production method for gra...
Patent number
10,968,521
Issue date
Apr 6, 2021
JFE Steel Corporation
Takumi Umada
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CHEMICALLY STRENGTHENED GLASS AND MANUFACTURING METHOD THEREFOR
Publication number
20240002282
Publication date
Jan 4, 2024
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
CHEMICALLY-STRENGTHENED GLASS CONTAINING GLASS CERAMIC, AND METHOD...
Publication number
20230406763
Publication date
Dec 21, 2023
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
CHEMICALLY STRENGTHENED GLASS CERAMIC AND METHOD FOR MANUFACTURING...
Publication number
20230159370
Publication date
May 25, 2023
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
CHEMICALLY STRENGTHENED GLASS ARTICLE AND MANUFACTURING METHOD THEREOF
Publication number
20230060972
Publication date
Mar 2, 2023
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS, CHEMICALLY STRENGTHENED GLASS, AND ELECTRONIC DEVICE
Publication number
20230021473
Publication date
Jan 26, 2023
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
METHOD FOR PRODUCING CHEMICALLY STRENGTHENED GLASS AND CHEMICALLY S...
Publication number
20220119307
Publication date
Apr 21, 2022
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
CHEMICALLY STRENGTHENED GLASS AND MANUFACTURING METHOD THEREFOR
Publication number
20220119306
Publication date
Apr 21, 2022
AGC Inc.
Shusaku AKIBA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS, CHEMICALLY TEMPERED GLASS, AND METHOD FOR PRODUCING SAME
Publication number
20220048809
Publication date
Feb 17, 2022
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
CHEMICALLY STRENGTHENED GLASS AND METHOD FOR PRODUCING SAME
Publication number
20210323862
Publication date
Oct 21, 2021
AGC Inc.
Kazuki KANEHARA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS, CHEMICALLY STRENGTHENED GLASS, AND ELECTRONIC DEVICE INCLUDI...
Publication number
20210292226
Publication date
Sep 23, 2021
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
CHEMICALLY STRENGTHENED GLASS PLATE, AND COVER GLASS AND ELECTRONIC...
Publication number
20210292225
Publication date
Sep 23, 2021
AGC Inc.
Takumi UMADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL SHEET AND CONTINUOUS...
Publication number
20210087690
Publication date
Mar 25, 2021
JFE STEEL CORPORATION
Yukihiro Shingaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EQUIPMENT FOR MANUFACTURING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET
Publication number
20210040606
Publication date
Feb 11, 2021
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
TARGET EXCHANGING DEVICE AND SURFACE TREATMENT FACILITY
Publication number
20210025050
Publication date
Jan 28, 2021
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SURFACE TREATMENT FACILITY
Publication number
20210010129
Publication date
Jan 14, 2021
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD OF PRODUCING...
Publication number
20200063268
Publication date
Feb 27, 2020
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING...
Publication number
20200056256
Publication date
Feb 20, 2020
JFE STEEL CORPORATION
Shigehiro Takajo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20200010917
Publication date
Jan 9, 2020
JFE STEEL CORPORATION
Takashi TERASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD FOR GRA...
Publication number
20190390350
Publication date
Dec 26, 2019
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD FOR GRA...
Publication number
20190390309
Publication date
Dec 26, 2019
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING O...
Publication number
20190256985
Publication date
Aug 22, 2019
JFE STEEL CORPORATION
Takumi Umada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...