Patents by Inventor Minondo Kimura

Minondo Kimura 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).

  • Device for purifying sewage
    Patent number: 3980561
    Abstract: A device for purifying sewage by employing a bed of aerobes or activated sludge characterized by the use of a movable air supply means which is moved across the bottom portion of the bed to apply a concentrated supply of air to a limited portion of the bed to effect air washing of the bed and also applies the air washing to the entire bed in a predetermined period of time.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: September 14, 1976
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Toru Miyagi, Nobuyoshi Katakai, Masanori Narita, Tatsuya Uchida, Minondo Kimura