Patents by Inventor Yuichi Koide

Yuichi Koide 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).

  • Method for executing water jet peening
    Patent number: 7716961
    Abstract: A method for executing water jet peening for giving an impact force to a surface of a structure member by a crushing pressure of a water jet and cavitation and improving residual stress, or washing, or reforming said surface, wherein said water jet peening is executed so as to make a natural frequency of oscillation of said structure member and a excitation frequency of oscillation of water jet peening different from each other.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: May 18, 2010
    Assignee: Hitachi-GE Nuclear Energy, Ltd.
    Inventors: Hisamitu Hatou, Noboru Saitou, Ren Morinaka, Tomohiko Motoki, Tadashi Iijima, Yuichi Koide, Jun Kashiwakura
  • METHOD FOR EXECUTING WATER JET PEENING
    Publication number: 20090056399
    Abstract: A method for executing water jet peening for giving an impact force to a surface of a structure member by a crushing pressure of a water jet and cavitation and improving residual stress, or washing, or reforming said surface, wherein said water jet peening is executed so as to make a natural frequency of oscillation of said structure member and a excitation frequency of oscillation of water jet peening different from each other.
    Type: Application
    Filed: August 27, 2008
    Publication date: March 5, 2009
    Inventors: Hisamitu Hatou, Noboru Saitou, Ren Morinaka, Tomohiko Motoki, Tadashi IIjima, Yuichi Koide, Jun Kashiwakura