Patents by Inventor Yuuki SASAGAWA

Yuuki SASAGAWA 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).

  • METAL WIRE
    Publication number: 20230002867
    Abstract: A metal wire, which is one of a tungsten wire and a tungsten alloy wire, includes alkali metal on the surface thereof. The amount of alkali metal is at most 2.0 ?g per 1 g of the metal wire.
    Type: Application
    Filed: December 4, 2020
    Publication date: January 5, 2023
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Akitoshi KASAHARA, Naoki KOHYAMA, Tomohiro KANAZAWA, Kenshi TSUJI, Yoshiyuki KITA, Atsushi SHIMADA, Yuuki SASAGAWA
  • Metal wire, saw wire, cutting apparatus, and method of manufacturing metal wire
    Patent number: 10967447
    Abstract: A metal wire containing tungsten is provided. A tungsten content of the metal wire is at least 90 wt %. A tensile strength of the metal wire is at least 4000 MPa. An elastic modulus of the metal wire is at least 350 GPa and at most 450 GPa. A diameter of the metal wire is at most 60 ?m. An average crystal grain size of the metal wire in a cross-section orthogonal to an axis of the metal wire is at most 0.20 ?m.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: April 6, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomohiro Kanazawa, Naoki Kohyama, Yoshihiro Iguchi, Yuuki Sasagawa, Tetsuji Shibata, Toshiyuki Tani
  • METAL WIRE, SAW WIRE, CUTTING APPARATUS, AND METHOD OF MANUFACTURING METAL WIRE
    Publication number: 20190232404
    Abstract: A metal wire containing tungsten is provided. A tungsten content of the metal wire is at least 90 wt %. A tensile strength of the metal wire is at least 4000 MPa. An elastic modulus of the metal wire is at least 350 GPa and at most 450 GPa. A diameter of the metal wire is at most 60 ?m. An average crystal grain size of the metal wire in a cross-section orthogonal to an axis of the metal wire is at most 0.20 ?m.
    Type: Application
    Filed: January 24, 2019
    Publication date: August 1, 2019
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomohiro KANAZAWA, Naoki KOHYAMA, Yoshihiro IGUCHI, Yuuki SASAGAWA, Tetsuji SHIBATA, Toshiyuki TANI