Patents by Inventor Emi SAKO

Emi SAKO 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).

  • Fluorescent material for cosmetics, and cosmetic
    Patent number: 11154469
    Abstract: To obtain an inorganic blue fluorescent material that is composed of elements for which there are no suspected harmful effects on humans, and that has excellent texture when applied to skin. A fluorescent material for a cosmetic being a composite oxide containing from 0.0005 to 0.05 (in terms of a mole ratio relative to 1 mol of phosphorous in a molecule) of Ce in a compound represented by general formula CaaPbOc (3.2?a?5.0, b=2, c=a+5) and having an average particle diameter of from 1 to 10 ?m.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: October 26, 2021
    Assignee: SAKAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Emi Sako, Ryota Ezoe, Nanae Ogata, Kenji Mori
  • FLUORESCENT MATERIAL FOR COSMETICS, AND COSMETIC
    Publication number: 20200113793
    Abstract: To obtain an inorganic blue fluorescent material that is composed of elements for which there are no suspected harmful effects on humans, and that has excellent texture when applied to skin. A fluorescent material for a cosmetic being a composite oxide containing from 0.0005 to 0.05 (in terms of a mole ratio relative to 1 mol of phosphorous in a molecule) of Ce in a compound represented by general formula CaaPbOc (3.2?a?5.0, b=2, c=a+5) and having an average particle diameter of from 1 to 10 ?m.
    Type: Application
    Filed: December 19, 2017
    Publication date: April 16, 2020
    Inventors: Emi SAKO, Ryota EZOE, Nanae OGATA, Kenji MORI
  • Cosmetic
    Patent number: 9937114
    Abstract: An object of the present disclosure is to investigate fluorescent substance being safe and having a high color developing property, and obtain an inorganic red fluorescent substance consisting of an element which exerts no bad influence upon human bodies. A cosmetic containing inorganic particles consisting of a compound represented by a general formula: MgxTiyO(x+2y+2z):Mn4+z wherein 1.5<x<2.5, 0.5<y?1.5, and 0.0001<z<0.1.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: April 10, 2018
    Assignee: SAKAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Emi Sako, Keita Kobayashi
  • COSMETIC
    Publication number: 20170202759
    Abstract: An object of the present disclosure is to investigate fluorescent substance being safe and having a high color developing property, and obtain an inorganic red fluorescent substance consisting of an element which exerts no bad influence upon human bodies. A cosmetic containing inorganic particles consisting of a compound represented by a general formula: MgxTiyO(x+2y+2z):Mn4+z wherein 1.5<x<2.5, 0.5<y?1.5, and 0.0001<z<0.1.
    Type: Application
    Filed: July 3, 2015
    Publication date: July 20, 2017
    Inventors: Emi SAKO, Keita KOBAYASHI