Patents by Inventor Chieko Tada

Chieko Tada 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 eliminating ethanol in exhaust gas
    Patent number: 6423534
    Abstract: A method and an apparatus for decomposing and eliminating ethanol in an exhaust gas by bringing the ethanol in the exhaust gas into contact with an ethanol-utilizing microorganism held in a filter bed are provided. A microorganism selected from the genus Candida, the genus Pichia and/or the genus Hansenula is used as the ethanol-utilizing microorganism, whereby a method and an apparatus having a high removal efficiency of ethanol in the exhaust gas, and being capable of long-term, stable decomposition and elimination of ethanol under high concentration, high load capacity, can be provided.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: July 23, 2002
    Assignee: Suntory Limited
    Inventors: Hirotaka Shiba, Chieko Tada, Takeshi Saeki, Nobuya Matsumoto