Patents by Inventor Shigeki Sugiue

Shigeki Sugiue 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 and apparatus of thermal treatment of human waste
    Patent number: 5009172
    Abstract: A method for thermal treatment of human waste has the steps of feeding a predetermined small quantity of human waste into an indirectly heated flash chamber, instantaneously evaporating the human waste with a large capacity of heat in the flash chamber, and decomposing the human waste into a small gaseous water vapor and a residue of human waste.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: April 23, 1991
    Assignee: Kabushiki Kaisha Toyoseiakusho
    Inventors: Shigeyuki Koga, Shigeki Sugiue
  • Incinerator
    Patent number: D325803
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: April 28, 1992
    Assignee: Kabushiki Kaisha Toyoseisakusho
    Inventor: Shigeki Sugiue