Patents by Inventor Yui NAKAI

Yui NAKAI 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 AND METAL MESH
    Publication number: 20240131836
    Abstract: A metal wire includes tungsten or a tungsten alloy. The metal wire has a diameter of at most 13 ?m, a tensile strength of at least 4.8 GPa, and a natural hanging length per 1000 mm of at least 800 mm.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 25, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Tomohiro KANAZAWA, Kazuhiro DAIJO, Kenshi TSUJI, Naoki KOHYAMA, Yui NAKAI
  • Tungsten wire and tungsten product
    Patent number: 11761065
    Abstract: A tungsten wire is a tungsten wire containing tungsten or a tungsten alloy, a diameter of the tungsten wire is at most 100 ?m, and a total number of torsional rotations to breakage per length of 50 mm of the tungsten wire is greater than or equal to 250×exp(?0.026×D) when a tension that is 50% of a breakage tension of the tungsten wire is applied as a load, D denoting the diameter of the tungsten wire.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: September 19, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomohiro Kanazawa, Naoki Kohyama, Yoshihiro Iguchi, Yui Nakai
  • TUNGSTEN WIRE, SAW WIRE, AND TUNGSTEN WIRE FOR SCREEN PRINTING
    Publication number: 20230227951
    Abstract: A tungsten wire that contains tungsten or a tungsten alloy is provided. An average width of surface crystal grains in a direction perpendicular to an axis of the tungsten wire is at most 98 nm. The tungsten wire has a tensile strength of at least 3900 MPa. The tungsten wire has a diameter of at least 100 ?m and at most 225 ?m.
    Type: Application
    Filed: May 26, 2021
    Publication date: July 20, 2023
    Inventors: Tomohiro KANAZAWA, Naoki KOHYAMA, Kenshi TSUJI, Yoshihiro IGUCHI, Yui NAKAI, Tetsuya NAKAAZE
  • TUNGSTEN WIRE AND TUNGSTEN PRODUCT
    Publication number: 20220220591
    Abstract: A tungsten wire is a tungsten wire containing tungsten or a tungsten alloy, a diameter of the tungsten wire is at most 100 ?m, and a total number of torsional rotations to breakage per length of 50 mm of the tungsten wire (10) is greater than or equal to 250×exp(?0.026×D) when a tension that is 50% of a breakage tension of the tungsten wire is applied as a load, D denoting the diameter of the tungsten wire.
    Type: Application
    Filed: April 13, 2020
    Publication date: July 14, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Tomohiro KANAZAWA, Naoki KOHYAMA, Yoshihiro IGUCHI, Yui NAKAI
  • TUNGSTEN WIRE AND SAW WIRE
    Publication number: 20220098708
    Abstract: A tungsten wire contains tungsten or a tungsten alloy. An average width of surface crystal grains in a direction perpendicular to an axis of the tungsten wire is at most 76 nm. The tungsten wire has a tensile of at least 4800 MPa, and a diameter of at most 100 ?m.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 31, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Tomohiro KANAZAWA, Yoshihiro IGUCHI, Naoki KOHYAMA, Atsushi SHIMADA, Kenshi TSUJI, Yui NAKAI