Patents by Inventor Yoshito Syougi

Yoshito Syougi 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).

  • Method for processing nitrogen oxide gas
    Patent number: 5271915
    Abstract: In a method for processing nitrogen oxide, nitrogen oxide is reacted with hydrogen azide. Oxygen and/or plasma is utilized to accelerate the reaction between nitrogen oxide and hydrogen azide. An apparatus for use in performing the nitrogen oxide processing method includes a reaction case in which an aqueous solution containing hydrogen azide is provided. Nitrogen oxide containing gas is introduced into the reaction case for reacting nitrogen oxide with hydrogen azide to reduce nitrogen oxide. A plasma generating unit may be provided for feeding plasma into the nitrogen oxide contained gas.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: December 21, 1993
    Assignee: Kabushiki Kaisha Meidensha
    Inventors: Fukuzi Syouzi, Yuji Ishizaka, Masanori Haba, Yoshihiko Asano, Shigeru Yamashita, Yoshito Syougi