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Hiroyuki Tanahashi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Steel sheet for hot stamping, method for production thereof, and ho...
Patent number
10,161,023
Issue date
Dec 25, 2018
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet and method for manufacturing the same
Patent number
9,903,023
Issue date
Feb 27, 2018
Nippon Steel & Sumitomo Metal Corporation
Naoki Maruyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for hot stamping member and method of producing same
Patent number
9,617,624
Issue date
Apr 11, 2017
Nippon Steel Sumitomo Metal Corporation
Hiroyuki Tanahashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a high strength hot-rolled steel plate exhibit...
Patent number
9,523,134
Issue date
Dec 20, 2016
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel sheet excellent in delayed fracture resistance...
Patent number
9,353,424
Issue date
May 31, 2016
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength hot-rolled steel plate exhibiting excellent acid pick...
Patent number
8,852,360
Issue date
Oct 7, 2014
Nippon Steel & Sumitomo Metal Corporation
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET FOR HOT STAMPING, METHOD FOR PRODUCTION THEREOF, AND HO...
Publication number
20180363109
Publication date
Dec 20, 2018
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki TANAHASHI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH STRENGTH STEEL SHEET EXCELLENT IN DELAYED FRACTURE RESISTANCE...
Publication number
20160024610
Publication date
Jan 28, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki Tanahashi
B32 - LAYERED PRODUCTS
Information
Patent Application
HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20150218708
Publication date
Aug 6, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Naoki Maruyama
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL SHEET FOR HOT STAMPING, METHOD FOR PRODUCTION THEREOF, AND HO...
Publication number
20150024237
Publication date
Jan 22, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki Tanahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH STRENGTH HOT-ROLLED STEEL PLATE EXHIBITING EXCELLENT ACID PICK...
Publication number
20140360631
Publication date
Dec 11, 2014
Hiroyuki TANAHASHI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT STAMPING MEMBER AND METHOD OF PRODUCING SAME
Publication number
20140044987
Publication date
Feb 13, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki Tanahashi
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL SHEET FOR HOT STAMPED MEMBER AND METHOD OF PRODUCTION OF SAME
Publication number
20140004378
Publication date
Jan 2, 2014
NIPPON STEEL & SUMITOMO METAL CORPORATION
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH HOT-ROLLED STEEL PLATE EXHIBITING EXCELLENT ACID PICK...
Publication number
20120279620
Publication date
Nov 8, 2012
NIPPON STEEL CORPORATION
Hiroyuki Tanahashi
C21 - METALLURGY OF IRON