Patents by Inventor Kosuke Kishida

Kosuke Kishida 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 and apparatus for dredging having bow-stern movement of the suction means
    Patent number: 4212121
    Abstract: An improved method for dredging by means of a pair of spuds provided on the respective sides of the stern of a dredger and adapted to be alternately driven into the bottom of the water, a ladder projected from the bow portion of the dredger and a suction port member that is mounted at the extreme end portion of the ladder.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: July 15, 1980
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Masao Kato, Kosuke Kishida