Patents by Inventor Takanobu Sasa

Takanobu Sasa 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).

  • Anticorrosive method of stream and condenser systems
    Patent number: 5302321
    Abstract: The corrosion of steam and condenser systems and piping therefor is minimized by the addition of anti-corrosion amounts of Vitamin A or Vitamin E.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: April 12, 1994
    Assignee: Aquas Corporation
    Inventors: Shunichi Akama, Takanobu Sasa, Tokuko Yanagisawa