Patents by Inventor Seiji Akiyama

Seiji Akiyama 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).

  • Cargo handling equipment
    Patent number: 4335981
    Abstract: A cargo handling equipment comprises a stationary column installed offshore of a river or a creek, a stationary bridge bridging the shore of said river or creek and said stationary column and provided with a cargo transportation apparatus, a movable bridge swingably connected to the stationary column and provided with another cargo transportation apparatus, and a floating body detachably secured to the free end of the movable bridge and provided with legs which are vertically movable and can reach the bottom of the river or the creek.
    Type: Grant
    Filed: September 5, 1979
    Date of Patent: June 22, 1982
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Seiji Akiyama, Mamoru Kurihara, Kazuhiko Ueki
  • Cargo handling apparatus
    Patent number: 4329104
    Abstract: An improved cargo handling apparatus is described herein, which includes a crane truck, adapted to travel along a wharf sloped surface and to be fixedly positioned in the proximity of a mooring position of a ship for the loading or unloading of cargoes, and a cargo transportation truck or trucks adapted to travel along a path parallel and adjacent to the path of the crane truck between a crane positioned on the shore side of the wharf and the fixed positioned location of the crane truck.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: May 11, 1982
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Seiji Akiyama, Mamoru Kurihara, Kazuhiko Ueki