Patents by Inventor Naomi Tsunoda

Naomi Tsunoda 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 reducing plutonium
    Patent number: 4197274
    Abstract: A process for reducing plutonium is provided in which hydrazine is added as a reducing agent to a nitric acid solution of tetravalent plutonium in the presence of active carbon catalyst to thereby reduce tetravalent plutonium into trivalent plutonium.
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: April 8, 1980
    Assignee: Doryokuro Kakunenryo Kaihatsu Jigyodan
    Inventors: Shinichi Nemoto, Satoshi Ikeda, Hiroaki Kobayashi, Naomi Tsunoda