Patents by Inventor Kikuko Matsuoka

Kikuko Matsuoka 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).

  • Entry board for drilling
    Patent number: 6565295
    Abstract: An entry board for drilling improves drill machinability such as hole positional accuracy using a fine-diameter drill, and roughness of the walls of the drilled holes. The entry board has a metallic foil, and a thermosetting resin is covered on one or both sides of the metallic foil to provide a drill-penetrating layer.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: May 20, 2003
    Assignee: Risho Kogyo Co., Ltd.
    Inventors: Yoshitaka Ohashi, Kikuko Matsuoka
  • Entry board for drilling
    Publication number: 20020003991
    Abstract: An entry board for drilling which improves drill machinability such as hole positional accuracy using a fine-diameter drill, and roughness of the walls of the drilled holes. The entry board has a metallic foil, and a thermosetting resin is covered on one or both sides of the metallic foil to provide a drill-penetrating layer.
    Type: Application
    Filed: May 30, 2001
    Publication date: January 10, 2002
    Inventors: Yoshitaka Ohashi, Kikuko Matsuoka