Patents by Inventor Hidemi Tsutsumi

Hidemi Tsutsumi 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: 5392738
    Abstract: A steam generator for a steam bath for generating steam from hot water supplied thereto. The steam generator for a steam bath has a closed main part equipped with a hot-water supply port, an air inlet, a discharge port and a steam outlet. Hot water received from the hot-water supply port is distributed in the main part so as to contact with air coming through the air inlet, and the thus generated steam is discharged through the steam outlet. Warm water formed as a result of steam generation is discharged from the discharge port.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: February 28, 1995
    Assignee: Mitsui Mining Company, Limited
    Inventor: Hidemi Tsutsumi
  • Patent number: 5333573
    Abstract: A steam generator for a steam bath for generating steam from hot water supplied thereto. The steam generator for a steam bath has a closed main part equipped with a hot-water supply port, an air inlet, a discharge port and a steam outlet. Hot water received from the hot-water supply port is distributed in the main part so as to contact with air coming through the air inlet, and the thus generated steam is discharged through the steam outlet. Warm water formed as a result of steam generation is discharged from the discharge port.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: August 2, 1994
    Assignee: Mitsui Mining Company, Ltd.
    Inventor: Hidemi Tsutsumi
  • Patent number: 5215043
    Abstract: A steam generator for a steam bath for generating steam from hot water supplied thereto. The steam generator for a steam bath has a closed main part equipped with a hot-water supply port, an air inlet, a discharge port and a steam outlet. Hot water received from the hot-water supply port is distributed in the main part so as to contact with air coming through the air inlet,and the thus generated steam is discharged through the steam outlet. Warm water formed as a result of steam generation is discharged from the discharge port.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: June 1, 1993
    Assignee: Mitsui Mining Company, Ltd.
    Inventor: Hidemi Tsutsumi