Patents by Inventor Masayoshi Amano

Masayoshi Amano 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).

  • Equalizing fluid-operated apparatus and method of assembling the apparatus
    Patent number: 6564609
    Abstract: An equalizing fluid-operated apparatus for use with a pressing machine, the apparatus including a flat common manifold which has bottomed holes having respective bottoms, and a communication passage that communicates the bottomed holes with each other, and rod guides which are integrally and fixedly provided around respective openings of the bottomed holes of the manifold, such that each of the rod guides guides a movement of a piston rod of a corresponding one of fluid-operated cylinders, and prevents the piston rod from coming off the one fluid-operated cylinder, the bottomed holes and the communication passage of the manifold being filled with a working fluid, so that the bottomed holes function as respective pressure chambers of the fluid-operated cylinders.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: May 20, 2003
    Assignees: Kyoho Machine Works, Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Masayoshi Amano, Shinji Kawamura, Sigehiro Kirii, Kazunari Kirii
  • Equalizing fluid-operated apparatus and method of assembling the apparatus
    Publication number: 20030066330
    Abstract: An equalizing fluid-operated apparatus for use with a pressing machine, the apparatus including a flat common manifold which has bottomed holes having respective bottoms, and a communication passage that communicates the bottomed holes with each other, and rod guides which are integrally and fixedly provided around respective openings of the bottomed holes of the manifold, such that each of the rod guides guides a movement of a piston rod of a corresponding one of fluid-operated cylinders, and prevents the piston rod from coming off the one fluid-operated cylinder, the bottomed holes and the communication passage of the manifold being filled with a working fluid, so that the bottomed holes function as respective pressure chambers of the fluid-operated cylinders.
    Type: Application
    Filed: October 9, 2001
    Publication date: April 10, 2003
    Applicant: KYOHO MACHINE WORKS, LTD.
    Inventors: Masayoshi Amano, Shinji Kawamura, Sigehiro Kirii, Kazunari Kirii