Patents by Inventor Otane Hitomi

Otane Hitomi 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 removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
    Patent number: 4107272
    Abstract: Nitrogen oxides are removed from flue gas evolving from stationary sources and containing the nitrogen oxides through reduction of nitrogen oxides to nitrogen by passing the flue gas over a catalyst of metal compounds containing oxysulfur compounds in the presence of an ammonia gas.
    Type: Grant
    Filed: January 25, 1977
    Date of Patent: August 15, 1978
    Assignee: Hitachi, Ltd.
    Inventors: Toshikatsu Mori, Masato Takeuchi, Otane Hitomi, Shigeo Uno, Jinichi Imahashi, Fumito Nakajima