Patents by Inventor Masatoshi NAGASHIMA

Masatoshi NAGASHIMA 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).

  • ROTOR MANUFACTURING METHOD AND ROTOR MANUFACTURING APPARATUS
    Publication number: 20240113605
    Abstract: A method for manufacturing a rotor including a rotor body, and a sleeve surrounding an outer peripheral portion of the rotor body and applying a pressurizing force toward an inner periphery to the rotor body, includes: preparing the sleeve having a tubular shape and having an inner diameter smaller than an outer diameter of the rotor body; expanding an inner diameter of the sleeve to be larger than an outer diameter of the rotor body, by applying a liquid pressure to an inner diameter portion of the sleeve; inserting the rotor body into the inner diameter portion of the sleeve while applying the liquid pressure; and fixing the sleeve to the rotor body by removing the liquid pressure and contracting the sleeve.
    Type: Application
    Filed: September 25, 2023
    Publication date: April 4, 2024
    Inventors: Yuki Abe, Yuki Hasegawa, Masatoshi Nagashima
  • Plating film and plated member
    Patent number: 11380602
    Abstract: Provided is a plating film containing Au and Tl, including Tl oxides including Tl2O on a surface of the plating film, a ratio of Tl atoms constituting Tl2O to a total of Tl atoms constituting the Tl oxides and Tl atoms constituting Tl simple substances on the surface being 40% or more.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: July 5, 2022
    Assignees: Sumitomo Electric Industries, Ltd., A.L.M.T. CORP.
    Inventors: Kengo Goto, Akihisa Hosoe, Tadashi Arikawa, Hiroya Sato, Masatoshi Nagashima, Shohei Murakami
  • PLATING FILM AND PLATED MEMBER
    Publication number: 20210013122
    Abstract: Provided is a plating film containing Au and Tl, including Tl oxides including Tl2O on a surface of the plating film, a ratio of Tl atoms constituting Tl2O to a total of Tl atoms constituting the Tl oxides and Tl atoms constituting Tl simple substances on the surface being 40% or more.
    Type: Application
    Filed: February 26, 2019
    Publication date: January 14, 2021
    Applicants: Sumitomo Electric Industries, Ltd., A.L.M.T. Corp.
    Inventors: Kengo GOTO, Akihisa HOSOE, Tadashi ARIKAWA, Hiroya SATO, Masatoshi NAGASHIMA, Shohei MURAKAMI