Patents by Inventor Masao Andou

Masao Andou 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 producing adsorbent and cleaning filter
    Patent number: 6663814
    Abstract: An adsorbent block that has a high adsorption efficiency and can be produced at a low cost is provided. A paste comprising water having mainly active carbon powder dispersed therein is prepared, and a molded block is formed with the paste. Water is removed from the molded block to bind mainly the active carbon powder, so as to obtain an adsorbent block formed to have cells. The paste contains an agar component that is capable of shrinking the molded block and of increasing the surface area of the cell by disappearance.
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: December 16, 2003
    Assignee: Kabushikikaisha Equos Research Co., Ltd.
    Inventors: Syouko Kondou, Kazuhisa Murase, Akira Kamei, Masao Andou
  • Process for producing adsorbent and detergent filter
    Publication number: 20030042197
    Abstract: An adsorbent block that has a high adsorption efficiency and can be produced at a low cost is provided. A paste comprising water having mainly active carbon powder dispersed therein is prepared, and a molded block is formed with the paste. Water is removed from the molded block to bind mainly the active carbon powder, so as to obtain an adsorbent block formed to have cells. The paste contains an agar component that is capable of shrinking the molded block and of increasing the surface area of the cell by disappearance.
    Type: Application
    Filed: January 14, 2002
    Publication date: March 6, 2003
    Inventors: Syouko Kondou, Kazuhisa Murase, Akira Kamei, Masao Andou