Patents by Inventor Sigeru Sugada

Sigeru Sugada 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: 4636427
    Abstract: This invention provides an adhesive tape which can easily be cut in the lateral direction by hand, and a process for preparation thereof. The adhesive tape comprises (1) a fabric base in which the warp and filling are made of thermoplastic yarns, the denier of the warp yarns is lower than that of the filling yarns and the number of warp yarns per inch is larger than the number of filling yarns per inch; (2) a first thermoplastic layer which is laminated on the surface of said fabric base; (3) a second thermoplastic layer which is laminated on at least one of the surfaces (1) and (2); and a pressure-sensitive adhesive which is applied to at least one of the surfaces of (1), (2) and (3).
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: January 13, 1987
    Assignee: Toyama Industry Co., Ltd.
    Inventors: Shoji Ohno, Sigeru Sugada