Junji Haji

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tooling for punching steel sheet and punching method
- Patent number 10,384,256
- Issue date Aug 20, 2019
- Nippon Steel Corporation
- Yuzo Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-rolled steel sheet and method for producing same
- Patent number 10,273,566
- Issue date Apr 30, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Daisuke Maeda
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of production of hot dip galvannealed steel sheet with excel...
- Patent number 10,023,931
- Issue date Jul 17, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Junji Haji
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheet and method of producing same
- Patent number 9,732,405
- Issue date Aug 15, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Yuzo Takahashi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength steel sheet exhibiting excellent stretch-flange forma...
- Patent number 9,617,626
- Issue date Apr 11, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Kenichi Yamamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing high-strength hot-dip galvannealed steel sheet
- Patent number 9,499,894
- Issue date Nov 22, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Kiyokazu Ishizuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High-strength hot-rolled steel sheet and method of manufacturing th...
- Patent number 9,121,079
- Issue date Sep 1, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Yuzo Takahashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing high-strength hot-dip galvannealed steel sheet
- Patent number 8,617,324
- Issue date Dec 31, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Kiyokazu Ishizuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing high-strength hot-dip galvannealed steel sheet
- Patent number 8,303,739
- Issue date Nov 6, 2012
- Nippon Steel Corporation
- Kiyokazu Ishizuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
TOOLING FOR PUNCHING STEEL SHEET AND PUNCHING METHOD
- Publication number 20160243606
- Publication date Aug 25, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yuzo Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20150315683
- Publication date Nov 5, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Daisuke MAEDA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANNEALED STEEL SHEET
- Publication number 20140199487
- Publication date Jul 17, 2014
- NIPPON STEEL CORPORATION
- Kiyokazu Ishizuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT ROLLED STEEL SHEET AND METHOD OF PRODUCING SAME
- Publication number 20140000769
- Publication date Jan 2, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yuzo Takahashi
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL SHEET EXHIBITING EXCELLENT STRETCH-FLANGE FORMA...
- Publication number 20130142688
- Publication date Jun 6, 2013
- Kenichi Yamamoto
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANNEALED STEEL SHEET
- Publication number 20130008569
- Publication date Jan 10, 2013
- NIPPON STEEL CORPORATION
- Kiyokazu Ishizuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING TH...
- Publication number 20130000791
- Publication date Jan 3, 2013
- Yuzo Takahashi
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANNEALED STEEL SHEET
- Publication number 20090211668
- Publication date Aug 27, 2009
- NIPPON STEEL CORPORATION
- Kiyokazu Ishizuka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method of Production of Hot Dip Galvannealed Steel Sheet with Excel...
- Publication number 20090151820
- Publication date Jun 18, 2009
- Junji Haji
- C21 - METALLURGY OF IRON

Person

Patents Grantslast 30 patents

Tooling for punching steel sheet and punching method

Hot-rolled steel sheet and method for producing same

Method of production of hot dip galvannealed steel sheet with excel...

Hot rolled steel sheet and method of producing same

High-strength steel sheet exhibiting excellent stretch-flange forma...

Method for producing high-strength hot-dip galvannealed steel sheet

High-strength hot-rolled steel sheet and method of manufacturing th...

Method for producing high-strength hot-dip galvannealed steel sheet

Method for producing high-strength hot-dip galvannealed steel sheet

Patents Applicationslast 30 patents

TOOLING FOR PUNCHING STEEL SHEET AND PUNCHING METHOD

HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANNEALED STEEL SHEET

HOT ROLLED STEEL SHEET AND METHOD OF PRODUCING SAME

HIGH-STRENGTH STEEL SHEET EXHIBITING EXCELLENT STRETCH-FLANGE FORMA...

METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANNEALED STEEL SHEET

HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING TH...

METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANNEALED STEEL SHEET

Method of Production of Hot Dip Galvannealed Steel Sheet with Excel...