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Jiro HIRAMOTO
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Press forming method and press forming tool
Patent number
10,737,307
Issue date
Aug 11, 2020
JFE Steel Corporation
Satoshi Sumikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Press forming method and tool of press forming
Patent number
10,500,624
Issue date
Dec 10, 2019
JFE Steel Corporation
Ryo Ageba
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of press forming and press forming apparatus
Patent number
10,286,436
Issue date
May 14, 2019
JFE Steel Corporation
Satoshi Sumikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for specifying stretch flange limit strain and method for de...
Patent number
9,953,115
Issue date
Apr 24, 2018
JFE Steel Corporation
Osamu Sonobe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
PRESS FORMING METHOD AND PRESS FORMING TOOL (AS AMENDED)
Publication number
20180065164
Publication date
Mar 8, 2018
JFE STEEL CORPORATION
Satoshi Sumikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRESS FORMING METHOD AND TOOL OF PRESS FORMING
Publication number
20180021831
Publication date
Jan 25, 2018
JFE STEEL CORPORATION
Ryo AGEBA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD OF PRESS FORMING AND PRESS FORMING APPARATUS
Publication number
20160121384
Publication date
May 5, 2016
JFE STEEL CORPORATION
Satoshi SUMIKAWA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR SPECIFYING STRETCH FLANGE LIMIT STRAIN AND METHOD FOR DE...
Publication number
20150294043
Publication date
Oct 15, 2015
JFE STEEL CORPORATION
Osamu SONOBE
G01 - MEASURING TESTING