Patents by Inventor Yasuyo Yamanaka

Yasuyo Yamanaka 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).

  • Putter head
    Patent number: 7354356
    Abstract: A putter head includes a first half member, a second half member, and an insert. The first half body includes a first metal, and has a face surface on a front face. The second half body includes a second metal, which is higher in specific gravity than the first metal, and is attached to the forward half body. The insert is disposed inside the first half body to be along the face surface and includes one selected from a group consisting of a synthetic resin and a rubber.
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: April 8, 2008
    Assignee: Bridgestone Sports Co., Ltd.
    Inventors: Yasuyo Yamanaka, Makoto Kubota
  • Putter head
    Publication number: 20060128499
    Abstract: A putter head includes a first half member, a second half member, and an insert. The first half body includes a first metal, and has a face surface on a front face. The second half body includes a second metal, which is higher in specific gravity than the first metal, and is attached to the forward half body. The insert is disposed inside the first half body to be along the face surface and includes one selected from a group consisting of a synthetic resin and a rubber.
    Type: Application
    Filed: February 14, 2006
    Publication date: June 15, 2006
    Inventors: Yasuyo Yamanaka, Makoto Kubota
  • Putter head
    Patent number: 7048646
    Abstract: A putter head includes a first half member, a second half member, and an insert. The first half body includes a first metal, and has a face surface on a front face. The second half body includes a second metal, which is higher in specific gravity than the first metal, and is attached to the forward half body. The insert is disposed inside the first half body to be along the face surface and includes one selected from a group consisting of a synthetic resin and a rubber.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: May 23, 2006
    Assignee: Bridgestone Sports Co., Ltd.
    Inventors: Yasuyo Yamanaka, Makoto Kubota
  • Putter head
    Publication number: 20050049078
    Abstract: A putter head includes a first half member, a second half member, and an insert. The first half body includes a first metal, and has a face surface on a front face. The second half body includes a second metal, which is higher in specific gravity than the first metal, and is attached to the forward half body. The insert is disposed inside the first half body to be along the face surface and includes one selected from a group consisting of a synthetic resin and a rubber.
    Type: Application
    Filed: May 24, 2004
    Publication date: March 3, 2005
    Inventors: Yasuyo Yamanaka, Makoto Kubota