Patents by Inventor Tatsuhiko Yukitomo

Tatsuhiko Yukitomo 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).

  • Insulation structure for liquefied gas tank
    Patent number: 5464116
    Abstract: Each of insulation panels which form together an insulation layer is fixed on a tank body at one point at the center of the panel. An insulation material having elasticity at low temperature is filled in a joint between the adjacent panels. A heat insulator having elasticity at a given temperature and high heat insulating property is airtightly fitted in the joint. A balance hole for preventing pressure change is provided in the insulation layer.
    Type: Grant
    Filed: May 11, 1994
    Date of Patent: November 7, 1995
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Eiji Aoki, Koichiro Yamada, Tatsuhiko Yukitomo
  • Hull protection system for liquefied gas ship
    Patent number: 5445096
    Abstract: A tank body is covered at its outer surface with an insulation material and is supported by tank supports arranged on a bottom of an inner shell of a hull. A drainer for discharging leaked liquid is mounted each at least at four corners on a lower surface of the insulation material at the bottom of the tank body. A drip tray is arranged below each drainer. Sealing is provided between the tank support and the insulation material. Leaked liquid is reliably collected and disposed by the drip tray.
    Type: Grant
    Filed: May 11, 1994
    Date of Patent: August 29, 1995
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Eiji Aoki, Koichoro Yamada, Tatsuhiko Yukitomo