Patents by Inventor Shuji Takegawa

Shuji Takegawa 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).

  • Two-part adhesive and bonding method employing same
    Patent number: 4479840
    Abstract: A two-part adhesive comprising an aqueous synthetic resin emulsion adhesive and a gelling agent comprising a combination of (a) a member selected from the group consisting of calcium pantothenate, glycine calcium salt, alanine calcium salt, serine calcium salt, threonine calcium salt, methionine calcium salt, phenylalanine calcium salt and calcium aspartate and (b) a member selected from the group consisting of an organic acid salt and an inorganic acid salt, which can bond without any temporary tacking or fixing means, and a method for bonding two substances together with said two-part adhesive.
    Type: Grant
    Filed: March 1, 1983
    Date of Patent: October 30, 1984
    Assignee: Sunstar Giken Kabushiki
    Inventors: Shuji Takegawa, Tadao Kunishige
  • Two-part adhesive and bonding method employing same
    Patent number: 4386992
    Abstract: A two-part adhesive comprising an aqueous emulsion adhesive and a gelling agent, which can bond without any temporary tacking or fixing means, and a method for bonding with said two-part adhesive.
    Type: Grant
    Filed: August 19, 1980
    Date of Patent: June 7, 1983
    Assignee: Sunstar Chemical Ind. Co., Ltd.
    Inventors: Shuji Takegawa, Tadao Kunishige