Patents by Inventor Shunsaku Uchida

Shunsaku Uchida 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).

  • Segregation reducing agent for hydraulic composition and hydraulic composition
    Patent number: 5376173
    Abstract: A segregation reducing agent for a hydraulic composition which is obtained by adding a water-soluble thickener to a culture of a microorganism capable of producing a .beta.-1,3-glucan selected from the group consisting of curdlan, palamylon and pachyman, in a sufficient amount to give a viscosity to the culture of from about 200 to 2000 cp, followed by spray drying so as to form a powder having a core of the .beta.-1,3-glucan and a coating of the water-soluble thickener.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: December 27, 1994
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Akira Haze, Yoshihisa Yamamoto, Kazuki Miyanagi, Shunsaku Uchida