Patents by Inventor Hirofumi Nagata

Hirofumi Nagata 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 for disposal of medical waste materials
    Patent number: 5005496
    Abstract: A method for disposing of medical waste materials comprises placing waste materials into a container, sealing the container, placing the sealed container into a melting furnace together with metal, and heating the furnace to a temperature sufficient to completely combust or melt the container and the waste materials. An apparatus for disposing of medical waste material has a container with an opening in its top surface and a lid for sealing the container. The container is supported by a support stand including a base, a cover for closing the opening of the container, and a pedal for moving the cover between an open and a closed position.
    Type: Grant
    Filed: July 6, 1989
    Date of Patent: April 9, 1991
    Assignee: Kyoei Steel Ltd.
    Inventor: Hirofumi Nagata