Patents by Inventor Yusuke KUSAFUKA

Yusuke KUSAFUKA 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).

  • Ni-based alloy, and Ni-based alloy product and methods for producing the same
    Patent number: 11732331
    Abstract: The present invention relates to an Ni-based alloy which is excellent in terms of wear resistance and high-temperature corrosion resistance and which includes 0.3?C?1.0 mass %, 36.0?Cr?50.0 mass %, and 3.0?Al?7.0 mass %, with the balance being Ni and unavoidable impurities, and relates to an Ni-based alloy product made of the Ni-based alloy according to the present invention, and methods for producing the Ni-based alloy product.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: August 22, 2023
    Assignee: DAIDO STEEL CO., LTD.
    Inventors: Kenji Sugiyama, Masashi Nagaya, Yusuke Kusafuka, Yoshihiko Koyanagi, Hiroyuki Takabayashi
  • SOFT MAGNETIC MEMBER AND INTERMEDIATE THEREFOR, METHODS RESPECTIVELY FOR PRODUCING SAID MEMBER AND SAID INTERMEDIATE, AND ALLOY FOR SOFT MAGNETIC MEMBER
    Publication number: 20230257859
    Abstract: An alloy for an Fe—Co-based soft-magnetic member, includes an alloy composition including, in terms of mass %, from 5.00% to 25.00% of Co, from 0.10% to 2.00% of Si, and from 0.10% to 2.00% of Al, provided that a total content of Si and Al is from 1.00% to 3.00%, with the balance being Fe and unavoidable impurities.
    Type: Application
    Filed: March 19, 2021
    Publication date: August 17, 2023
    Inventors: Takamasa SATO, Yusuke KUSAFUKA, Chihiro FURUSHO, Yoshihiko KOYANAGI
  • Rolling slide member, rolling bearing using same, and method for manufacturing rolling slide member
    Patent number: 11268572
    Abstract: A rolling-sliding member that is high in hardness and continues to have a passivation film reliably even after being subjected to a process that does not require any processing for removal of scale, etc., as well as a rolling bearing using the same and a method for manufacturing the rolling-sliding member.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: March 8, 2022
    Assignees: JTEKT CORPORATION, DAIDO STEEL CO., LTD.
    Inventors: Nao Inazaki, Fumihiro Furukawa, Kanji Kawasaki, Hisato Nishisaka, Tomoya Hattori, Kazuhisa Kitamura, Yusuke Kusafuka, Keita Hinoshita, Hiroyuki Takabayashi, Kazuhisa Ishida
  • Rolling slide member, rolling bearing using same, and method for manufacturing rolling slide member
    Patent number: 11215230
    Abstract: A rolling-sliding member that is high in hardness and continues to have a passivation film reliably even after being subjected to a process that does not require any processing for removal of scale etc., as well as a rolling bearing using the same and a method for manufacturing the rolling-sliding member.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: January 4, 2022
    Assignees: JTEKT CORPORATION, DAIDO STEEL CO., LTD.
    Inventors: Nao Inazaki, Fumihiro Furukawa, Kanji Kawasaki, Hisato Nishisaka, Tomoya Hattori, Kazuhisa Kitamura, Yusuke Kusafuka, Keita Hinoshita, Hiroyuki Takabayashi, Kazuhisa Ishida
  • Ni-BASED ALLOY, AND Ni-BASED ALLOY PRODUCT AND METHODS FOR PRODUCING THE SAME
    Publication number: 20210371958
    Abstract: The present invention relates to an Ni-based alloy which is excellent in terms of wear resistance and high-temperature corrosion resistance and which includes 0.3?C?1.0 mass %, 36.0?Cr?50.0 mass %, and 3.0?Al?7.0 mass %, with the balance being Ni and unavoidable impurities, and relates to an Ni-based alloy product made of the Ni-based alloy according to the present invention, and methods for producing the Ni-based alloy product.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Inventors: Kenji SUGIYAMA, Masashi Nagaya, Yusuke Kusafuka, Yoshihiko Koyanagi, Hiroyuki Takabayashi
  • ROLLING SLIDE MEMBER, ROLLING BEARING USING SAME, AND METHOD FOR MANUFACTURING ROLLING SLIDE MEMBER
    Publication number: 20200080594
    Abstract: A rolling-sliding member that is high in hardness and continues to have a passivation film reliably even after being subjected to a process that does not require any processing for removal of scale, etc., as well as a rolling bearing using the same and a method for manufacturing the rolling-sliding member.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 12, 2020
    Applicants: JTEKT CORPORATION, DAIDO STEEL CO., LTD.
    Inventors: Nao INAZAKI, Fumihiro FURUKAWA, Kanji KAWASAKI, Hisato NISHISAKA, Tomoya HATTORI, Kazuhisa KITAMURA, Yusuke KUSAFUKA, Keita HINOSHITA, Hiroyuki TAKABAYASHI, Kazuhisa ISHIDA
  • ROLLING SLIDE MEMBER, ROLLING BEARING USING SAME, AND METHOD FOR MANUFACTURING ROLLING SLIDE MEMBER
    Publication number: 20190249718
    Abstract: A rolling-sliding member that is high in hardness and continues to have a passivation film reliably even after being subjected to a process that does not require any processing for removal of scale etc., as well as a rolling bearing using the same and a method for manufacturing the rolling-sliding member.
    Type: Application
    Filed: February 15, 2017
    Publication date: August 15, 2019
    Applicants: JTEKT CORPORATION, DAIDO STEEL CO., LTD.
    Inventors: Nao INAZAKI, Fumihiro FURUKAWA, Kanji KAWASAKI, Hisato NISHISAKA, Tomoya HATTORI, Kazuhisa KITAMURA, Yusuke KUSAFUKA, Keita HINOSHITA, Hiroyuki TAKABAYASHI, Kazuhisa ISHIDA