Patents by Inventor Yuka IWAHASHI

Yuka IWAHASHI 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).

  • COSMETIC
    Publication number: 20230263714
    Abstract: The invention relates to a cosmetic containing fatty acid magnesium salt particles and fine particle titanium oxide in which the fatty acid magnesium salt particles have a fatty acid having 12 to 22 carbon atoms, an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less and an average thickness of 250 to 600 nm.
    Type: Application
    Filed: September 24, 2021
    Publication date: August 24, 2023
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: Mayu KUMAGAI, Motoharu KIMURA, Tetsuya KANEMARU, Yuka IWAHASHI
  • FATTY ACID MAGNESIUM SALT PARTICLES AND COSMETIC
    Publication number: 20230263713
    Abstract: The invention relates to fatty acid magnesium salt particles having an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less in which the fatty acid has 12 to 22 carbon atoms and in which the average thickness of the fatty acid magnesium salt particles is 250 to 600 nm.
    Type: Application
    Filed: September 24, 2021
    Publication date: August 24, 2023
    Applicants: SHISEIDO COMPANY, LTD., NOF CORPORATION
    Inventors: Tetsuya KANEMARU, Mayu KUMAGAI, Yuka IWAHASHI, Motoharu KIMURA, Takeshi YOSHIMURA, Mako IWASAKI
  • FATTY ACID CALCIUM SALT PARTICLES AND COSMETICS
    Publication number: 20230077466
    Abstract: The invention relates to particles of a calcium salt of a fatty acid having 12 to 22 carbon atoms, wherein the median size is 4.0 ?m to 15.0 ?m, the particle size digest A expressed by the following equation (1) satisfies the relation A?2.0, and the average thickness is 350 to 800 nm. Particle size digest A=(D90?D10)/D50??equation (1) (Here, 4.0?D50?15.0.
    Type: Application
    Filed: February 17, 2021
    Publication date: March 16, 2023
    Applicants: SHISEIDO COMPANY, LTD., NOF CORPORATION
    Inventors: Tetsuya KANEMARU, Yoshihiro NISHIYAMA, Takuya HIRUMA, Yuka IWAHASHI, Takeshi YOSHIMURA, Mako IWASAKI