Patents by Inventor Shigeo Matsufuji

Shigeo Matsufuji 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).

  • Adhesive tube composite tube and method for sealing using the same
    Patent number: 5914160
    Abstract: An adhesive tube, a composite tube comprising a heat-shrinkable tube having on the inner surface thereof the adhesive tube, and a method for sealing an object having an uneven surface comprising the steps of: inserting the object in the composite tube and then heating the composite tube. The adhesive tube comprises a double-layered thermoplastic resin layer comprising an outer layer and an inner layer, the outer layer having a melt index smaller than that of the inner layer.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: June 22, 1999
    Assignee: Sumitomo Electric Industries, LTD.
    Inventors: Shigeo Matsufuji, Tomoyoshi Kishimoto