Patents by Inventor Makoto Sagae

Makoto Sagae 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).

  • Mud gun
    Patent number: 4247088
    Abstract: A mud gun for closing a tap hole of a vertical furnace, especially a blast furnace, is provided with a novel mechanism for traversing the gun barrel and pressing the muzzle of the barrel against the tap hole under high pressure.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: January 27, 1981
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masayuki Ueno, Fumiaki Sano, Makoto Sagae, Tateo Kayama
  • Device for sampling gases in blast furnace
    Patent number: 4218918
    Abstract: A device is disclosed for inserting a lance into a vertical furnace, especially a blast furnace, so as to sample gases and measure the temperatures or pressures thereof, thereby obtaining the accurate information of operating conditions in the furnace.
    Type: Grant
    Filed: October 30, 1978
    Date of Patent: August 26, 1980
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masayuki Ueno, Makoto Sagae, Fumiaki Sano
  • Computer
    Patent number: D464047
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: October 8, 2002
    Assignee: NEC Yonezawa, Ltd.
    Inventors: Kazuo Honda, Makoto Sagae
  • Computer
    Patent number: D464048
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: October 8, 2002
    Assignee: NEC Yonezawa, Ltd.
    Inventors: Makoto Sagae, Kazuo Honda