Patents by Inventor Tsunehisa NISHIMURA

Tsunehisa NISHIMURA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Raw material for direct reduction, method of producing raw material for direct reduction, and method of producing reduced iron

Patent number: 11198914

Abstract: A raw material for direct reduction which is reduced in a shaft furnace includes a raw material, and a coating layer which coats the raw material and has a porosity of 20 volume % or more.

Type: Grant

Filed: March 30, 2020

Date of Patent: December 14, 2021

Assignee: NIPPON STEEL CORPORATION

Inventors: Moritoshi Mizutani, Tsunehisa Nishimura
RAW MATERIAL FOR DIRECT REDUCTION, METHOD OF PRODUCING RAW MATERIAL FOR DIRECT REDUCTION, AND METHOD OF PRODUCING REDUCED IRON

Publication number: 20200224285

Abstract: A raw material for direct reduction which is reduced in a shaft furnace includes a raw material, and a coating layer which coats the raw material and has a porosity of 20 volume % or more.

Type: Application

Filed: March 30, 2020

Publication date: July 16, 2020

Applicant: NIPPON STEEL CORPORATION

Inventors: Moritoshi MIZUTANI, Tsunehisa NISHIMURA
RAW MATERIAL FOR DIRECT REDUCTION, METHOD OF PRODUCING RAW MATERIAL FOR DIRECT REDUCTION, AND METHOD OF PRODUCING REDUCED IRON

Publication number: 20160153061

Abstract: A raw material for direct reduction which is reduced in a shaft furnace includes a raw material, and a coating layer which coats the raw material and has a porosity of 20 volume % or more.

Type: Application

Filed: July 25, 2014

Publication date: June 2, 2016

Inventors: Moritoshi MIZUTANI, Tsunehisa NISHIMURA

Raw material for direct reduction, method of producing raw material for direct reduction, and method of producing reduced iron

RAW MATERIAL FOR DIRECT REDUCTION, METHOD OF PRODUCING RAW MATERIAL FOR DIRECT REDUCTION, AND METHOD OF PRODUCING REDUCED IRON

RAW MATERIAL FOR DIRECT REDUCTION, METHOD OF PRODUCING RAW MATERIAL FOR DIRECT REDUCTION, AND METHOD OF PRODUCING REDUCED IRON