Patents by Inventor Keizo Kikui

Keizo Kikui 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).

  • Device for damping waves
    Patent number: 3953977
    Abstract: A device for damping waves comprising an inclined frame having a plurality of barriers and moored to the sea bottom so as to be downwardly sloped against the wave in the sea water, and an upright frame having a plurality of barriers provided on the upper end of said inclined frame and perpendicular to the plane of the inclined frame.
    Type: Grant
    Filed: July 11, 1974
    Date of Patent: May 4, 1976
    Assignee: Mitsui Shipbuilding and Engineering Co. Ltd.
    Inventors: Keizo Kikui, Michio Sasaki