Patents by Inventor Etsuko Yuyama

Etsuko Yuyama 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).

  • Skin care compositions
    Patent number: 9192558
    Abstract: The present invention relates to a skin care composition comprising at least two oil phases dispersed in a continuous aqueous phase comprising a thickening agent, wherein a first oil phase of the oil phases has different composition from the other oil phase, and wherein the composition contains an emulsifier no more than 1.0%. The present invention also relates to a method of preparing a skin care composition comprising dispersing a first oil phase in a continuous aqueous phase comprising a thickening agent; and dispersing a second oil phase in the continuous aqueous phase; wherein composition of said first oil phase differs from composition of said second oil phase, and wherein the composition contains an emulsifier no more than 1.0%.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: November 24, 2015
    Assignee: The Procter & Gamble Company
    Inventors: Minghua Chen, Etsuko Yuyama, Stanley Pak-Lap Mah, Paul Robert Tanner
  • Skin care compositions
    Publication number: 20090104129
    Abstract: The present invention relates to a skin care composition comprising at least two oil phases dispersed in a continuous aqueous phase comprising a thickening agent, wherein a first oil phase of the oil phases has different composition from the other oil phase, and wherein the composition contains an emulsifier no more than 1.0%. The present invention also relates to a method of preparing a skin care composition comprising dispersing a first oil phase in a continuous aqueous phase comprising a thickening agent; and dispersing a second oil phase in the continuous aqueous phase; wherein composition of said first oil phase differs from composition of said second oil phase, and wherein the composition contains an emulsifier no more than 1.0%.
    Type: Application
    Filed: December 14, 2007
    Publication date: April 23, 2009
    Inventors: Minghua Chen, Etsuko Yuyama, Stanley Pak-Lap Mah, Paul Robert Tanner
  • Skin care composition
    Publication number: 20060018861
    Abstract: Disclosed is a skin care composition comprising: (1) from about 0.001% to about 10% of a flavonoid compound; (2) from about 0.01% to about 15% of a vitamin B3 compound; and (3) a dermatologically acceptable oil-in-water carrier comprising at least about 2% by weight of the entire composition of an oil component.
    Type: Application
    Filed: July 22, 2005
    Publication date: January 26, 2006
    Inventors: Minghua Chen, Peiwen Sun, Akira Date, Etsuko Yuyama, Donald Bissett
  • Substrate based skin care device
    Publication number: 20060018862
    Abstract: Disclosed is a skin care device comprising: (1) a dermatologically acceptable preformed substrate and (2) a flavonoid compound, wherein the device comprises a liquid medium for delivering the flavonoid compound.
    Type: Application
    Filed: July 22, 2005
    Publication date: January 26, 2006
    Inventors: Minghua Chen, Peiwen Sun, Akira Date, Etsuko Yuyama, Donald Lynn Bissett
  • Skin care composition
    Publication number: 20060018858
    Abstract: Disclosed is a skin care composition comprising: (1) from about 0.001% to about 10% of a flavonoid compound; (2) from about 0.01% to about 15% of a vitamin B3 compound; and (3) a dermatologically acceptable oil continuous phase carrier.
    Type: Application
    Filed: July 22, 2005
    Publication date: January 26, 2006
    Inventors: Minghua Chen, Peiwen Sun, Akira Date, Etsuko Yuyama, Donald Bissett
  • Skin care composition
    Publication number: 20060018860
    Abstract: Disclosed is a composition comprising: (1) from about 0.001% to about 10% of a flavonoid compound; (2) from about 0.01% to about 15% of a vitamin B3 compound; and (3) a dermatologically acceptable single aqueous phase carrier.
    Type: Application
    Filed: July 22, 2005
    Publication date: January 26, 2006
    Inventors: Minghua Chen, Peiwen Sun, Akira Date, Etsuko Yuyama, Donald Bissett