Patents by Inventor Yuta Koyoshi

Yuta Koyoshi 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).

  • Surface-coated cutting tool
    Patent number: 10987738
    Abstract: A surface-coated cutting tool includes a substrate and a coating that is disposed on the substrate and formed so as to cover at least a portion of a flank face, in which the coating includes an inner layer and an outer layer formed on the inner layer, the inner layer is formed of at least one layer and includes an aluminum oxide layer as a layer in contact with the outer layer, the outer layer has a multilayer structure that includes three or more layers stacked on top of one another, and each of the layers that constitute the multilayer structure contains titanium.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: April 27, 2021
    Assignee: Sumitomo Electric Hardmetal Corp.
    Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Yuta Koyoshi, Satoshi Ono, Kouhei Yoshimura
  • SURFACE-COATED CUTTING TOOL
    Publication number: 20190232380
    Abstract: A surface-coated cutting tool includes a substrate and a coating that is disposed on the substrate and formed so as to cover at least a portion of a flank face, in which the coating includes an inner layer and an outer layer formed on the inner layer, the inner layer is formed of at least one layer and includes an aluminum oxide layer as a layer in contact with the outer layer, the outer layer has a multilayer structure that includes three or more layers stacked on top of one another, and each of the layers that constitute the multilayer structure contains titanium.
    Type: Application
    Filed: February 17, 2017
    Publication date: August 1, 2019
    Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Yuta Koyoshi, Satoshi Ono, Kouhei Yoshimura