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Nobuo YOSHIKAWA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hot rolled steel sheet
Patent number
10,900,100
Issue date
Jan 26, 2021
Nippon Steel Corporation
Tatsuo Yokoi
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet
Patent number
10,894,996
Issue date
Jan 19, 2021
Nippon Steel Corporation
Tatsuo Yokoi
C21 - METALLURGY OF IRON
Information
Patent Grant
Press-working apparatus, press-working method, and press-molded pro...
Patent number
10,857,583
Issue date
Dec 8, 2020
Nippon Steel Corporation
Nobuo Yoshikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing press-formed product, device for manufactu...
Patent number
10,695,814
Issue date
Jun 30, 2020
Nippon Steel Corporation
Jun Nitta
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Evaluation method of plastic material and evaluation method of defo...
Patent number
10,352,836
Issue date
Jul 16, 2019
Nippon Steel & Sumitomo Metal Corporation
Satoshi Shirakami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Press-molding apparatus, press-molding method, and press-molded pro...
Patent number
10,220,427
Issue date
Mar 5, 2019
Nippon Steel & Sumitomo Metal Corporation
Nobuo Yoshikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET AND ENAMELED PRODUCT
Publication number
20230160046
Publication date
May 25, 2023
NIPPON STEEL CORPORATION
Nobuo YOSHIKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING OVERLAPPED HOT STAMP MOLDED BODY, AND OVERL...
Publication number
20220402015
Publication date
Dec 22, 2022
NIPPON STEEL CORPORATION
Soshi FUJITA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT ROLLED STEEL SHEET, STEEL FORGED PART AND PRODUCTION METHOD THE...
Publication number
20210095363
Publication date
Apr 1, 2021
NIPPON STEEL CORPORATION
Tatsuo YOKOI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL SHEET
Publication number
20200032365
Publication date
Jan 30, 2020
NIPPON STEEL CORPORATION
Tatsuo YOKOI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL SHEET, STEEL FORGED PART AND PRODUCTION METHOD THE...
Publication number
20200024679
Publication date
Jan 23, 2020
NIPPON STEEL CORPORATION
Tatsuo YOKOI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL SHEET
Publication number
20200024683
Publication date
Jan 23, 2020
NIPPON STEEL CORPORATION
Tatsuo YOKOI
C21 - METALLURGY OF IRON
Information
Patent Application
PRESS-WORKING APPARATUS, PRESS-WORKING METHOD, AND PRESS-MOLDED PRO...
Publication number
20180104735
Publication date
Apr 19, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Nobuo YOSHIKAWA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
EVALUATION METHOD OF PLASTIC MATERIAL AND EVALUATION METHOD OF DEFO...
Publication number
20170191915
Publication date
Jul 6, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Satoshi SHIRAKAMI
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR MANUFACTURING PRESS-FORMED PRODUCT, DEVICE FOR MANUFACTU...
Publication number
20160325330
Publication date
Nov 10, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Jun NITTA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRESS-MOLDING APPARATUS, PRESS-MOLDING METHOD, AND PRESS-MOLDED PRO...
Publication number
20160263637
Publication date
Sep 15, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Nobuo YOSHIKAWA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...