Patents by Inventor Iwao SAKAZAKI

Iwao SAKAZAKI 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).

  • Sm—Fe—N magnet material and Sm—Fe—N bonded magnet
    Patent number: 11742121
    Abstract: An Sm—Fe—N magnet material includes from 7.0 at % to 12 at % of Sm, from 0.1 at % to 1.5 at % of at least one element selected from the group consisting of Hf and Zr, from 0.05 at % to 0.5 at % of C, from 10 at % to 20 at % of N, and from 0 at % to 35 at % of Co, with a remainder being Fe and unavoidable impurities.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: August 29, 2023
    Assignee: DAIDO STEEL CO., LTD.
    Inventor: Iwao Sakazaki
  • Sm-Fe-N magnet material and Sm-Fe-N bonded magnet
    Patent number: 10658095
    Abstract: The present invention relates to an Sm—Fe—N magnet material including: 7.0-12 at % of Sm; 0.1-1.5 at % of at least one element selected from the group consisting of Hf, Zr, and Sc; 0.1-0.5 at % of Mn; 10-20 at % of N; and 0-35 at % of Co, with the remainder being Fe and unavoidable impurities. The present invention also relates to an Sm—Fe—N bonded magnet including a powder of the Sm—Fe—N magnet material and a binder.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: May 19, 2020
    Assignee: DAIDO STEEL CO., LTD.
    Inventors: Iwao Sakazaki, Takefumi Sugiyama
  • Sm-Fe-N MAGNET MATERIAL AND Sm-Fe-N BONDED MAGNET
    Publication number: 20190267165
    Abstract: The present invention relates to an Sm—Fe—N magnet material including: from 7.0 to 12 at % of Sm; from 0.1 to 1.5 at % of at least one element selected from the group consisting of Hf and Zr; from 0.05 to 0.5 at % of C; from 10 to 20 at % of N; and from 0 to 35 at % of Co, with the remainder being Fe and unavoidable impurities. The present invention also relates to an Sm—Fe—N bonded magnet including a powder of the Sm—Fe—N magnet material and a binder.
    Type: Application
    Filed: February 26, 2019
    Publication date: August 29, 2019
    Inventor: Iwao SAKAZAKI
  • Sm-Fe-N MAGNET MATERIAL AND Sm-Fe-N BONDED MAGNET
    Publication number: 20180082771
    Abstract: The present invention relates to an Sm—Fe—N magnet material including: 7.0-12 at % of Sm; 0.1-1.5 at % of at least one element selected from the group consisting of Hf, Zr, and Sc; 0.1-0.5 at % of Mn; 10-20 at % of N; and 0-35 at % of Co, with the remainder being Fe and unavoidable impurities. The present invention also relates to an Sm—Fe—N bonded magnet including a powder of the Sm—Fe—N magnet material and a binder.
    Type: Application
    Filed: September 11, 2017
    Publication date: March 22, 2018
    Inventors: Iwao SAKAZAKI, Takefumi SUGIYAMA