Patents by Inventor Shodo Minagawa

Shodo Minagawa 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).

  • Patent number: 6418938
    Abstract: A brush cleaning unit for a heater fixture of a smoking device includes a holder such as a tube wherein the heater fixture can be washed with a liquid by a movable brush. The tube can include first and second ends, a portion of a key for cooperating with a corresponding portion of the key on the heater fixture for orienting the heater fixture, and an arrangement for preventing the brush from rotating. The brush can be arranged to be axially movable relative to the tube and the heater fixture attached thereto.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: July 16, 2002
    Assignee: Philip Morris Incorporated
    Inventors: Grier Fleischhauer, Brett Stevenson, Shodo Minagawa, Mary Ellen Counts