Patents by Inventor Iwao Tatsuguchi

Iwao Tatsuguchi 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: 9642792
    Abstract: An object of the present invention is to provide a W/O/W emulsion having temporal stability, which comprises a water soluble active component in an inner aqueous phase, and a method for producing the same. This invention makes it possible to provide a W/O/W emulsion having temporal stability by incorporating a water soluble active component in an inner aqueous phase, a solid oil component and a silicone surfactant in an oil phase, and a water soluble polymer in an outer aqueous phase.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: May 9, 2017
    Assignee: SUNTORY HOLDINGS LIMITED
    Inventors: Iwao Tatsuguchi, Tatsuo Matsuoka
  • Publication number: 20140378417
    Abstract: An object of the present invention is to provide a W/O/W emulsion having temporal stability, which comprises a water soluble active component in an inner aqueous phase, and a method for producing the same. This invention makes it possible to provide a W/O/W emulsion having temporal stability by incorporating a water soluble active component in an inner aqueous phase, a solid oil component and a silicone surfactant in an oil phase, and a water soluble polymer in an outer aqueous phase.
    Type: Application
    Filed: February 27, 2013
    Publication date: December 25, 2014
    Inventors: Iwao Tatsuguchi, Tatsuo Matsuoka