Patents by Inventor Kyohei Niwa

Kyohei Niwa 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).

  • Apparatus and process for vaporizing liquefied natural gas
    Patent number: 4170115
    Abstract: Apparatus for vaporizing liquefied natural gas using estuarine water comprising as arranged in series a heat exchanger of the indirectly heating, intermediate fluid type, a multitubular concurrent heat exchanger and a multitubular countercurrent heat exchanger and process for vaporizing liquefied natural gas using the same.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: October 9, 1979
    Assignee: Osaka Gas Company, Limited
    Inventors: Isami Ooka, Tomohiro Sato, Kyohei Niwa