Patents by Inventor Ryoya ITO

Ryoya ITO 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).

  • Emulsion cosmetic
    Patent number: 12648896
    Abstract: An objective of the present invention is to provide an emulsion cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, and conversely increase, due to heat applied in a usage environment. The present invention pertains to an emulsion cosmetic comprising (A) an ultraviolet protectant, (B) a prescribed alkylene oxide derivative, and (C) an ester oil.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: June 9, 2026
    Assignee: Shiseido Company, Ltd.
    Inventors: Yuko Nagare, Kei Ujimoto, Kouichi Nagai, Ryoya Ito
  • Oil-in-water type emulsification composition containing UV wavelength conversion substance
    Patent number: 12551424
    Abstract: To provide a novel oil-in-water type emulsified composition, comprising a UV wavelength conversion substance and a water-soluble alkyl-substituted polysaccharide derivative.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: February 17, 2026
    Assignee: Shiseido Company, Ltd.
    Inventors: Ryoya Ito, Kouichi Nagai, Shiho Iwami, Kazuyuki Miyazawa, Tetsuya Kanemaru, Renaud Gillet, Bianca McCarthy
  • Cosmetic comprising ultraviolet wavelength conversion substance
    Patent number: 12440431
    Abstract: There is provided a novel composition containing a UV wavelength conversion substance, a dispersant, a UV absorber and/or a UV scattering agent, and an oil content, wherein the blending amount of the dispersant is 1% by weight or more.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: October 14, 2025
    Assignee: Shiseido Company, Ltd.
    Inventors: Ryoya Ito, Kouichi Nagai, Renaud Gillet, Shiho Iwami, Kazuyuki Miyazawa, Tetsuya Kanemaru, Bianca McCarthy
  • Cosmetic product
    Patent number: 12161740
    Abstract: The present invention relates to a cosmetic in which the ultraviolet protection effects are increased by heat, and a method for manufacture thereof. The manufacturing method of the present invention includes (1) a step of preparing a sample composition containing (A) an ultraviolet protectant and (B) one or more humectants that have an IOB of 5.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: December 10, 2024
    Assignee: Shiseido Company, Ltd.
    Inventors: Kouichi Nagai, Kei Ujimoto, Yuko Nagare, Ryoya Ito, Marianne Ayaka Touati, Satoshi Yamaki
  • LIQUID COMPOSITION
    Publication number: 20240207151
    Abstract: To a novel liquid composition comprising C5-10 alkyl tri-C1-3 alkoxysilane-treated zinc oxide particles, and metal compound particles. Redispersibility of metal compound particles in a liquid composition is improved. A liquid composition comprising C5-10 alkyl tri-C1-3 alkoxysilane-treated zinc oxide particles, and metal compound particles.
    Type: Application
    Filed: March 23, 2022
    Publication date: June 27, 2024
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: Shiho IWAMI, Kouichi NAGAI, Kei UJIMOTO, Ryoya ITO
  • Cosmetic preparation
    Patent number: 11638686
    Abstract: The present invention relates to a cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, but conversely increase, due to coming into contact with moisture such as water or perspiration, and due to heat applied in the usage environment. The cosmetic of the present invention contains (A) an ultraviolet protectant; (B) at least one compound that is water-soluble and that has an IOB of 5.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: May 2, 2023
    Assignee: Shiseido Company, Ltd.
    Inventors: Ryoya Ito, Kouichi Nagai, Kei Ujimoto, Yuko Nagare
  • COSMETIC COMPRISING ULTRAVIOLET WAVELENGTH CONVERSION SUBSTANCE
    Publication number: 20220202667
    Abstract: There is provided a novel composition containing a UV wavelength conversion substance, a dispersant, a UV absorber and/or a UV scattering agent, and an oil content, wherein the blending amount of the dispersant is 1% by weight or more.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 30, 2022
    Applicant: Shiseido Company, Ltd.
    Inventors: Ryoya ITO, Kouichi NAGAI, Renaud GILLET, Shiho IWAMI, Kazuyuki MIYAZAWA, Tetsuya KANEMARU, Bianca MCCARTHY
  • COMPOSITION COTAINING ULTRAVIOLET WAVELENGTH-CONVERTING SUBSTANCE AND HYDROPHOBIZED SILICA AND/OR HYDROPHOBIZED STARCH
    Publication number: 20220175637
    Abstract: There is provided a novel composition containing a UV wavelength conversion substance and a powder of a hydrophobized silica and/or a hydrophobized starch.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 9, 2022
    Applicant: Shiseido Company, Ltd.
    Inventors: Megumi SUGIHARA, Ryoya ITO, Kazuyuki MIYAZAWA, Tetsuya KANEMARU, Renaud GILLET, Bianca MCCARTHY
  • EMULSION COMPOSITION COMPRISING ULTRAVIOLET WAVELENGTH CONVERSION SUBSTANCE AND ORGANIC OILY PHASE THICKENER
    Publication number: 20220160604
    Abstract: There is provided a novel emulsified composition containing a UV wavelength conversion substance and an organic oil-phase thickener.
    Type: Application
    Filed: April 3, 2020
    Publication date: May 26, 2022
    Applicant: Shiseido Company, Ltd.
    Inventors: Ryoya ITO, Kouichi NAGAI, Kazuyuki MIYAZAWA, Tetsuya KANEMARU, Renaud GILLET, Bianca MCCARTHY
  • OIL-IN-WATER TYPE EMULSIFICATION COMPOSITION CONTAINING UV WAVELENGTH CONVERSION SUBSTANCE
    Publication number: 20220160605
    Abstract: To provide a novel oil-in-water type emulsified composition, comprising a UV wavelength conversion substance and a water-soluble alkyl-substituted polysaccharide derivative.
    Type: Application
    Filed: April 3, 2020
    Publication date: May 26, 2022
    Applicant: Shiseido Company, Ltd.
    Inventors: Ryoya ITO, Kouichi NAGAI, Shiho IWAMI, Kazuyuki MIYAZAWA, Tetsuya KANEMARU, Renaud GILLET, Bianca MCCARTHY
  • COSMETIC PRODUCT
    Publication number: 20210338551
    Abstract: The present invention relates to a cosmetic in which the ultraviolet protection effects are increased by heat, and a method for manufacture thereof. The manufacturing method of the present invention includes (1) a step of preparing a sample composition containing (A) an ultraviolet protectant and (B) one or more humectants that have an IOB of 5.
    Type: Application
    Filed: August 9, 2019
    Publication date: November 4, 2021
    Applicant: Shiseido Company, Ltd.
    Inventors: Kouichi NAGAI, Kei UJIMOTO, Yuko NAGARE, Ryoya ITO, Marianne Ayaka TOUATI, Satoshi YAMAKI
  • EMULSION COSMETIC
    Publication number: 20210338544
    Abstract: An objective of the present invention is to provide an emulsion cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, and conversely increase, due to heat applied in a usage environment. The present invention pertains to an emulsion cosmetic comprising (A) an ultraviolet protectant, (B) a prescribed alkylene oxide derivative, and (C) an ester oil.
    Type: Application
    Filed: August 9, 2019
    Publication date: November 4, 2021
    Applicant: Shiseido Company, Ltd.
    Inventors: Yuko NAGARE, Kei UJIMOTO, Kouichi NAGAI, Ryoya ITO
  • COSMETIC PREPARATION
    Publication number: 20210228471
    Abstract: The present invention relates to a cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, but conversely increase, due to coming into contact with moisture such as water or perspiration, and due to heat applied in the usage environment. The cosmetic of the present invention contains (A) an ultraviolet protectant; (B) at least one compound that is water-soluble and that has an IOB of 5.
    Type: Application
    Filed: August 9, 2019
    Publication date: July 29, 2021
    Applicant: Shiseido Company, Ltd.
    Inventors: Ryoya ITO, Kouichi NAGAI, Kei UJIMOTO, Yuko NAGARE