Patents by Inventor Nobuyasu Ueda

Nobuyasu Ueda 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: 4193474
    Abstract: Sound insulating units and sound barriers made therefrom include at least one flexible sheet having a surface density of at least 2.0 Kg/cm.sup.2. Such sheets are capable of being connected to form an efficient sound barrier.
    Type: Grant
    Filed: April 11, 1978
    Date of Patent: March 18, 1980
    Assignee: Toray Industries, Inc.
    Inventors: Katsuyuki Okubo, Nobuyasu Ueda, Tetsumi Ono