Patents by Inventor Masataka Makizono

Masataka Makizono 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).

  • Ballast pumping system
    Patent number: 4314519
    Abstract: A ballast pumping system for pumping water ballast to or from a plurality of ship ballast tanks, having a submerged pump located in one of the ballast tanks and a sea chest provided in the ballast tank together with the pump. Piping interconnects the pump and the sea chest, and also connects the pump to each of the bottoms of the ballast tanks.
    Type: Grant
    Filed: February 26, 1980
    Date of Patent: February 9, 1982
    Assignee: Yamashita-Shinnihon Steamship Co., Ltd.
    Inventors: Shigeto Yunoki, Masataka Makizono
  • Tanker construction
    Patent number: 4313390
    Abstract: A tanker having a bow part, a stern part, and a midship tank part between them with a inner bottom therein. The midship tank part is divided by bulkheads into cargo tanks above the inner bottom, segregated deep ballast tanks at the same level as the cargo tanks, and segregated double bottom ballast tanks under the inner bottom.
    Type: Grant
    Filed: February 26, 1980
    Date of Patent: February 2, 1982
    Assignee: Yamashita-Shinnihon Steamship Co., Ltd.
    Inventors: Shigeto Yunoki, Masataka Makizono