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Yasushi Kitani
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Laser-welded lap joint, method for producing laser-welded lap joint...
Patent number
11,648,626
Issue date
May 16, 2023
JFE Steel Corporation
Asato Hara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Laser-welded lap joint, method for producing laser-welded lap joint...
Patent number
11,638,969
Issue date
May 2, 2023
JFE Steel Corporation
Asato Hara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device to improve iron loss properties of grain-oriented electrical...
Patent number
11,377,706
Issue date
Jul 5, 2022
JFE Steel Corporation
Seiji Okabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Laser lap-welded joint, method of manufacturing the same, and autom...
Patent number
10,919,113
Issue date
Feb 16, 2021
JFE Steel Corporation
Asato Hara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device to improve iron loss properties of grain-oriented electrical...
Patent number
10,745,773
Issue date
Aug 18, 2020
JFE Steel Corporation
Seiji Okabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Automobile frame component
Patent number
10,486,752
Issue date
Nov 26, 2019
JFE Steel Corporation
Yoshikiyo Tamai
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
Information
Patent Application
LASER WELDING METHOD AND LASER WELDING APPARATUS FOR Si-CONTAINING...
Publication number
20240033852
Publication date
Feb 1, 2024
JFE STEEL CORPORATION
Asato Hara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WELD INSPECTION APPARATUS
Publication number
20230001519
Publication date
Jan 5, 2023
JFE STEEL CORPORATION
Asato HARA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DOUBLE-SIDED FRICTION STIR WELDING METHOD, METHODS FOR PRODUCING CO...
Publication number
20220371119
Publication date
Nov 24, 2022
JFE STEEL CORPORATION
Muneo MATSUSHITA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20220235442
Publication date
Jul 28, 2022
JFE STEEL CORPORATION
Yoshihiko Ono
C21 - METALLURGY OF IRON
Information
Patent Application
THIN STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20210381077
Publication date
Dec 9, 2021
JFE STEEL CORPORATION
Noriaki Kohsaka
C21 - METALLURGY OF IRON
Information
Patent Application
LASER-WELDED LAP JOINT, METHOD FOR PRODUCING LASER-WELDED LAP JOINT...
Publication number
20210205925
Publication date
Jul 8, 2021
JFE STEEL CORPORATION
Asato Hara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LASER-WELDED LAP JOINT, METHOD FOR PRODUCING LASER-WELDED LAP JOINT...
Publication number
20210205924
Publication date
Jul 8, 2021
JFE STEEL CORPORATION
Asato Hara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DEVICE TO IMPROVE IRON LOSS PROPERTIES OF GRAIN-ORIENTED ELECTRICAL...
Publication number
20200332380
Publication date
Oct 22, 2020
JFE STEEL CORPORATION
Seiji OKABE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LASER-ARC HYBRID WELDING METHOD
Publication number
20200223012
Publication date
Jul 16, 2020
JFE STEEL CORPORATION
Shohei Iwata
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LASER LAP-WELDED JOINT, METHOD OF MANUFACTURING THE SAME, AND AUTOM...
Publication number
20190076963
Publication date
Mar 14, 2019
JFE STEEL CORPORATION
Asato HARA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF FRICTION-STIR WELDING OF STEEL SHEET
Publication number
20150041521
Publication date
Feb 12, 2015
Muneo Matsushita
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DEVICE TO IMPROVE IRON LOSS PROPERTIES OF GRAIN-ORIENTED ELECTRICAL...
Publication number
20140312009
Publication date
Oct 23, 2014
Seiji Okabe
C21 - METALLURGY OF IRON
Information
Patent Application
AUTOMOBILE FRAME COMPONENT
Publication number
20140064831
Publication date
Mar 6, 2014
H-ONE CO., LTD.
Yoshikiyo Tamai
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS