Patents by Inventor Hisao Sanada

Hisao Sanada 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).

  • Dry method for the denitrification of exhaust gas containing nitrogen oxides
    Patent number: 4112053
    Abstract: From an exhaust gas containing nitrogen oxides, the nitrogen oxides can be advantageously removed by contacting the exhaust gas with ammonia in the presence of a substance derived from laterite.
    Type: Grant
    Filed: January 4, 1977
    Date of Patent: September 5, 1978
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hisao Sanada, Ritaro Saito, Masayuki Funabashi, Kazuyoshi Inada, Koji Seguchi