Seiji Nakajima

Person

Okayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hot-pressed member and method for manufacturing same, and cold-roll...
- Patent number 11,420,247
- Issue date Aug 23, 2022
- JFE Steel Corporation
- Katsutoshi Takashima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-pressed member and method for manufacturing same, and cold-roll...
- Patent number 11,377,709
- Issue date Jul 5, 2022
- JFE Steel Corporation
- Katsutoshi Takashima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-pressed member and method for manufacturing same, and cold-roll...
- Patent number 11,236,406
- Issue date Feb 1, 2022
- JFE Steel Corporation
- Katsutoshi Takashima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-pressed member and manufacturing method therefor
- Patent number 11,168,378
- Issue date Nov 9, 2021
- JFE Steel Corporation
- Yasuaki Okita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hot-pressed member and method for manufacturing same, and cold-roll...
- Patent number 11,111,558
- Issue date Sep 7, 2021
- JFE Steel Corporation
- Katsutoshi Takashima
- B32 - LAYERED PRODUCTS
Information Patent Grant
Hot-pressed member and method for manufacturing same, and cold-roll...
- Patent number 11,085,101
- Issue date Aug 10, 2021
- JFE Steel Corporation
- Katsutoshi Takashima
- B32 - LAYERED PRODUCTS
Information Patent Grant
Hot-pressed member and method of manufacturing the same
- Patent number 10,434,556
- Issue date Oct 8, 2019
- JFE Steel Corporation
- Seiji Nakajima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing hot-pressed member
- Patent number 10,384,254
- Issue date Aug 20, 2019
- JFE Steel Corporation
- Seiji Nakajima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for producing hot-pressed member
- Patent number 10,316,381
- Issue date Jun 11, 2019
- JFE Steel Corporation
- Hiroki Nakamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel sheet for hot press-forming, method for manufacturing the sam...
- Patent number 10,253,386
- Issue date Apr 9, 2019
- JFE Steel Corporation
- Tatsuya Miyoshi
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet for hot pressing and method for manufacturing hot-press...
- Patent number 10,144,196
- Issue date Dec 4, 2018
- JFE Steel Corporation
- Seiji Nakajima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Steel sheet for hot pressing and process for manufacturing hot pres...
- Patent number 10,100,381
- Issue date Oct 16, 2018
- JFE Steel Corporation
- Tatsuya Miyoshi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Steel sheet for hot press-forming
- Patent number 10,093,077
- Issue date Oct 9, 2018
- JFE Steel Corporation
- Seiji Nakajima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Steel sheet for hot press-forming, hot press-formed part, and metho...
- Patent number 10,030,290
- Issue date Jul 24, 2018
- JFE Steel Corporation
- Tatsuya Miyoshi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-pressed member
- Patent number 9,963,755
- Issue date May 8, 2018
- JFE Steel Corporation
- Hiroki Nakamaru
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing hot-pressed member
- Patent number 9,598,744
- Issue date Mar 21, 2017
- JFE Steel Corporation
- Hiroki Nakamaru
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing warm pressed-formed members
- Patent number 9,498,810
- Issue date Nov 22, 2016
- JFE Steel Corporation
- Seiji Nakajima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-pressed member
- Patent number 9,040,166
- Issue date May 26, 2015
- JFE Steel Corporation
- Hiroki Nakamaru
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet for hot pressing and method of manufacturing hot-presse...
- Patent number 9,023,488
- Issue date May 5, 2015
- JFE Steel Corporation
- Seiji Nakajima
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-pressed member
- Patent number 8,663,816
- Issue date Mar 4, 2014
- JFE Steel Corporation
- Hiroki Nakamaru
- C21 - METALLURGY OF IRON
Information Patent Grant
Zinc-based coated steel sheet having excellent anti-peeling propert...
- Patent number 7,160,631
- Issue date Jan 9, 2007
- JFE Steel Corporation
- Seiji Nakajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Zinc-comprising-plated high tension steel sheet
- Patent number 6,436,555
- Issue date Aug 20, 2002
- Kawasaki Steel Corporation
- Seiji Nakajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Corrosion resistant Zn or part-Zn plated steel sheet with MgO coati...
- Patent number 5,972,522
- Issue date Oct 26, 1999
- Kawasaki Steel Corporation
- Shuji Gomi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the manufacture of tinplate using a fused tin chloride...
- Patent number 5,403,468
- Issue date Apr 4, 1995
- Kawasaki Steel Corporation
- Hisatada Nakakoji
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of producing a steel sheet plated with Zn-Mg alloy superior...
- Patent number 5,021,301
- Issue date Jun 4, 1991
- Kawasaki Steel Corporation
- Hisatada Nakakoji
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
HOT-PRESSED MEMBER, STEEL SHEET FOR HOT PRESSING, AND METHODS FOR P...
- Publication number 20230392226
- Publication date Dec 7, 2023
- JFE STEEL CORPORATION
- Shuhei OGAWA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...
- Publication number 20200370140
- Publication date Nov 26, 2020
- JFE STEEL CORPORATION
- Katsutoshi TAKASHIMA
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...
- Publication number 20200353527
- Publication date Nov 12, 2020
- JFE STEEL CORPORATION
- Katsutoshi TAKASHIMA
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...
- Publication number 20200172991
- Publication date Jun 4, 2020
- JFE STEEL CORPORATION
- Katsutoshi TAKASHIMA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...
- Publication number 20200131597
- Publication date Apr 30, 2020
- JFE STEEL CORPORATION
- Katsutoshi TAKASHIMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...
- Publication number 20200131596
- Publication date Apr 30, 2020
- JFE STEEL CORPORATION
- Katsutoshi TAKASHIMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for Manufacturing Hot-Pressed Member
- Publication number 20180216219
- Publication date Aug 2, 2018
- JFE STEEL CORPORATION
- Seiji NAKAJIMA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
HOT-PRESSED MEMBER AND MANUFACTURING METHOD THEREFOR
- Publication number 20180030568
- Publication date Feb 1, 2018
- JFE STEEL CORPORATION
- Yasuaki OKITA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-PRESSED MEMBER AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160158822
- Publication date Jun 9, 2016
- JFE STEEL CORPORATION
- Seiji NAKAJIMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF MANUFACTURING HOT-PRESSED MEMBER
- Publication number 20160151822
- Publication date Jun 2, 2016
- JFE STEEL CORPORATION
- Seiji Nakajima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
STEEL SHEET FOR HOT PRESS-FORMING (AS AMENDED)
- Publication number 20160144600
- Publication date May 26, 2016
- JFE STEEL CORPORATION
- Seiji Nakajima
- B32 - LAYERED PRODUCTS
Information Patent Application
STEEL SHEET FOR HOT PRESS-FORMING, HOT PRESS-FORMED PART, AND METHO...
- Publication number 20150337415
- Publication date Nov 26, 2015
- JFE STEEL CORPORATION
- Tatsuya MIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOT-PRESSED MEMBER
- Publication number 20150211127
- Publication date Jul 30, 2015
- JFE STEEL CORPORATION
- Hiroki Nakamaru
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STEEL SHEET FOR HOT PRESS-FORMING, METHOD FOR MANUFACTURING THE SAM...
- Publication number 20150027596
- Publication date Jan 29, 2015
- JEF STEEL CORPORATION
- Tatsuya Miyoshi
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR PRODUCING THE SAME
- Publication number 20140216610
- Publication date Aug 7, 2014
- JFE STEEL CORPORATION
- Hiroki Nakamaru
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR PRODUCING THE SAME
- Publication number 20140216611
- Publication date Aug 7, 2014
- JFE STEEL CORPORATION
- Hiroki Nakamaru
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
STEEL SHEET FOR HOT PRESSING AND PROCESS FOR MANUFACTURING HOT PRES...
- Publication number 20140120365
- Publication date May 1, 2014
- JFE STEEL CORPORATION
- Tatsuya Miyoshi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR MANUFACTURING WARM PRESSED-FORMED MEMBERS
- Publication number 20130333436
- Publication date Dec 19, 2013
- JFE STEEL CORPORATION
- Seiji Nakajima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
STEEL SHEET FOR HOT PRESSING AND METHOD FOR MANUFACTURING HOT-PRESS...
- Publication number 20130252017
- Publication date Sep 26, 2013
- JFE STEEL CORPORATION
- Seiji Nakajima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
STEEL SHEET FOR HOT PRESSING AND METHOD OF MANUFACTURING HOT-PRESSE...
- Publication number 20130122322
- Publication date May 16, 2013
- JFE STEEL CORPORATION
- Seiji Nakajima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
HOT-PRESSED MEMBER AND METHOD FOR PRODUCING THE SAME
- Publication number 20120321903
- Publication date Dec 20, 2012
- JFE STEEL CORPORATION
- Hiroki Nakamaru
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Zinc-based coated steel sheet having excellent anti-peeling propert...
- Publication number 20040241488
- Publication date Dec 2, 2004
- Seiji Nakajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Zinc-comprising-plated high tension steel sheet
- Publication number 20020081452
- Publication date Jun 27, 2002
- Kawasaki Steel Corporation
- Seiji Nakajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Seiji Nakajima

Person

Patents Grantslast 30 patents

Hot-pressed member and method for manufacturing same, and cold-roll...

Hot-pressed member and method for manufacturing same, and cold-roll...

Hot-pressed member and method for manufacturing same, and cold-roll...

Hot-pressed member and manufacturing method therefor

Hot-pressed member and method for manufacturing same, and cold-roll...

Hot-pressed member and method for manufacturing same, and cold-roll...

Hot-pressed member and method of manufacturing the same

Method of manufacturing hot-pressed member

Method for producing hot-pressed member

Steel sheet for hot press-forming, method for manufacturing the sam...

Steel sheet for hot pressing and method for manufacturing hot-press...

Steel sheet for hot pressing and process for manufacturing hot pres...

Steel sheet for hot press-forming

Steel sheet for hot press-forming, hot press-formed part, and metho...

Hot-pressed member

Method for producing hot-pressed member

Method for manufacturing warm pressed-formed members

Hot-pressed member

Steel sheet for hot pressing and method of manufacturing hot-presse...

Hot-pressed member

Zinc-based coated steel sheet having excellent anti-peeling propert...

Zinc-comprising-plated high tension steel sheet

Corrosion resistant Zn or part-Zn plated steel sheet with MgO coati...

Process for the manufacture of tinplate using a fused tin chloride...

Method of producing a steel sheet plated with Zn-Mg alloy superior...

Patents Applicationslast 30 patents

HOT-PRESSED MEMBER, STEEL SHEET FOR HOT PRESSING, AND METHODS FOR P...

HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...

HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...

HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...

HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...

HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...

Method for Manufacturing Hot-Pressed Member

HOT-PRESSED MEMBER AND MANUFACTURING METHOD THEREFOR

HOT-PRESSED MEMBER AND METHOD OF MANUFACTURING THE SAME

METHOD OF MANUFACTURING HOT-PRESSED MEMBER

STEEL SHEET FOR HOT PRESS-FORMING (AS AMENDED)

STEEL SHEET FOR HOT PRESS-FORMING, HOT PRESS-FORMED PART, AND METHO...

HOT-PRESSED MEMBER

STEEL SHEET FOR HOT PRESS-FORMING, METHOD FOR MANUFACTURING THE SAM...

HOT-PRESSED MEMBER AND METHOD FOR PRODUCING THE SAME

HOT-PRESSED MEMBER AND METHOD FOR PRODUCING THE SAME

STEEL SHEET FOR HOT PRESSING AND PROCESS FOR MANUFACTURING HOT PRES...

METHOD FOR MANUFACTURING WARM PRESSED-FORMED MEMBERS

STEEL SHEET FOR HOT PRESSING AND METHOD FOR MANUFACTURING HOT-PRESS...

STEEL SHEET FOR HOT PRESSING AND METHOD OF MANUFACTURING HOT-PRESSE...

HOT-PRESSED MEMBER AND METHOD FOR PRODUCING THE SAME

Zinc-based coated steel sheet having excellent anti-peeling propert...

Zinc-comprising-plated high tension steel sheet