Patents by Inventor Eiji Kashimura

Eiji Kashimura 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).

  • Inhibition of deposition of radioactive substances on nuclear power plant components
    Patent number: 4828790
    Abstract: A nuclear power plant wherein surfaces of components contacting with nuclear reactor cooling water containing radioactive substances are coated with an oxide film, preferably being charged positively and/or containing chromium in an amount of 12% by weight or more, is prevented effectively from the deposition of radioactive substances thereon.
    Type: Grant
    Filed: November 6, 1987
    Date of Patent: May 9, 1989
    Assignee: Hitachi, Ltd.
    Inventors: Takashi Honda, Yasumasa Furutani, Kenya Ohashi, Eiji Kashimura, Akira Minato, Katsumi Ohsumi, Hisao Itou