Patents by Inventor Mutuo Sato

Mutuo Sato 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).

  • Patent number: 3994366
    Abstract: A novel slip down way embarking device used in an emergency of a ship or other constructions to transfer the passengers to a life raft or other life saving apparatus in safe and rapid manner, said device comprising a tubular slip down chute made of vertical elongated cloth, a zigzag passage formed within said chute, a slip way attached to the lowermost end of said zigzag passage, a floating platform positioned under said chute and slip way to receiver the slipped down persons thereon, and a container to store the above embarking members and throw them down in an emergency without trouble and difficulty.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: November 30, 1976
    Assignee: Fujikura Rubber Works Limited
    Inventors: Masahiro Okuma, Mutuo Sato, Matuo Narita, Toshio Sugimoto, Masahumi Isihara, Hisanao Yagi