Patents by Inventor Hideaki Aikawa

Hideaki Aikawa 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).

  • Process for the treatment of radioactive sodium
    Patent number: 4643846
    Abstract: A process for the treatment of radioactive sodium is provided which comprises the steps of forming radioactive sodium amalgam by mixing radioactive sodium with mercury; reacting the radioactive sodium amalgam with water to form mercury and radioactive sodium hydroxide; recycling the mercury into the step of forming radioactive sodium amalgam to be mixed with the radioactive sodium; and solidifying the radioactive sodium hydroxide in the presence of a solidifying material to be confined in a stable solidified body.
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: February 17, 1987
    Assignee: Doryokuro Kakunenryo Kaihatsu Jigyodan
    Inventors: Makoto Kanai, Hideaki Aikawa, Eiichi Inada, Katsuyuki Ohtsuka