Patents by Inventor Yoshihiko Matsuguma

Yoshihiko Matsuguma 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).

  • Pressure-sensitive adhesive tape or drape
    Patent number: 3983297
    Abstract: An adhesive tape or drape comprising a base sheet and formed thereon a layer of a pressure-sensitive adhesive comprising as a main constituent a copolymer prepared by copolymerizing an alkyl acrylate with 2 to 6 mol% of acrylic acid or methacrylic acid and 0.002 to 0.05 mol% of a polyfunctional compound having at least 2 non-conjugated carbon-to-carbon double bonds per molecule.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: September 28, 1976
    Assignee: Teijin Limited
    Inventors: Tomoyoshi Ono, Yoshihiko Matsuguma
  • Adhesive tapes having a pressure sensitive adhesive composition containing hydroxyethyl cellulose
    Patent number: 3975570
    Abstract: An adhesive composition comprising, of the total composition of 100 parts by weight, 90-99 parts by weight on a tacky copolymer of an alkyl acrylate, the alkyl group of which contains 1 to 14 carbon atoms and the average number of which carbon atoms is 4 to 12, with a compound having a double bond and copolymerizable therewith, and 10-1 parts by weight of a hydroxyethyl cellulose.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: August 17, 1976
    Assignee: Teijin Limited
    Inventors: Tomoyoshi Ono, Yoshihiko Matsuguma
  • Pressure-sensitive adhesive and pressure-sensitive adhesive tape or drape
    Patent number: 3971766
    Abstract: A pressure-sensitive adhesive comprising as a main constituent a copolymer prepared by copolymerizing an alkyl acrylate with 2 to 6 mol% of acrylic acid or methacrylic acid and 0.002 to 0.05 mol% of a polyfunctional compound having at least 2 non-conjugated carbon-to-carbon double bonds per molecule.
    Type: Grant
    Filed: June 6, 1973
    Date of Patent: July 27, 1976
    Assignee: Teijin Limited
    Inventors: Tomoyoshi Ono, Yoshihiko Matsuguma