Patents by Inventor Katsu Aki Tomita

Katsu Aki Tomita 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).

  • Roll screen
    Patent number: 7100667
    Abstract: A roll screen. The roll screen includes a receiving case, a guide rail, a moveable shaft, a flexible net, and a tape. The guide rail is connected to the receiving case, and includes a cap. The moveable shaft slides in the guide rail, and engages the cap. The flexible net includes an edge, a first end, and a second end. The first end is fixed in the receiving case. The second end is fixed to the moveable shaft. The tape is attached to the edge of the flexible net to enhance the strength of the edge of the flexible net.
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: September 5, 2006
    Assignee: G. E. Aluminium Sash Co., Ltd.
    Inventor: Katsu Aki Tomita