Patents by Inventor Eiichi Sengoku

Eiichi Sengoku 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).

  • Apparatus for separating biological materials
    Patent number: 6713299
    Abstract: A method and apparatus are provided for the separation of biological materials from one another. The device includes a separation column that is in flow communication with a collection chamber in a reservoir that includes a collection container and a lid. The separation column is mounted on the lid. The collection container includes a concentration zone at the bottom and the container is adapted for use in further separation steps including centrifuging. The device includes a connector that is in flow communication with the collection chamber and is adapted for connecting it to a source of vacuum to help induce flow of liquid through the separation column.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: March 30, 2004
    Assignee: Sigma-Aldrich Co.
    Inventor: Eiichi Sengoku