Patents by Inventor Yukiko HIRUMA

Yukiko HIRUMA 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).

  • Publication number: 20230201104
    Abstract: The purpose of the present invention is to provide: a virus inactivating agent that exhibits an effect at an amount that does not cause skin irritation; and an external skin preparation composition containing said virus inactivating agent. The present invention relates to: a virus inactivating agent containing, as an effective component thereof, at least one selected from mint oil, eucalyptus oil, rosemary oil, sage oil, tea tree oil, shell ginger oil, peppermint oil, lemongrass oil, cajeputi oil, niaouli cineole oil, lime oil, lemon oil, lemon verbena oil, St. John's wort oil, ravintsara oil, rosewood oil, Melissa/lemon balm oil, myrrh oil, mandarin oil, vetiver oil, frankincense oil, citronella oil, cardamom oil, Angelica oil, and cationized starch; and an external skin preparation composition containing the same.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicant: Shiseido Company, Ltd.
    Inventors: Shoko ARINO, Hirohito SHIRAKAMI, Yukiko HIRUMA
  • Patent number: 11160736
    Abstract: A lip cosmetic has a high transparency without giving unnatural whiteness and exerts a remarkable effect of ultraviolet ray protection over a broad wavelength range including the UVA and UVB regions. The lip cosmetic includes (A) at least 5% by mass of UV absorbers; wherein said (A) UV absorbers comprises (A1) at least one UV absorber selected from a group consisting of octocrylene, dimethicodiethylbenzalmalonate and diethylamino hydroxybenzoyl hexyl benzoate, and (A2) ethylhexyl methoxycinnamate; (B) a high-viscosity oil component in a range of 30% by mass to 70% by mass thereof; (C) a low-viscosity oil component in a range of 20% by mass to 40% by mass thereof, and (D) titanium dioxide and zinc oxide of which a total content is at most 0.5% by mass thereof; and wherein a sun-protection-factor (SPF) of the lip cosmetic is at least 20, and a critical wavelength thereof is at a shortest 370 nm.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 2, 2021
    Assignee: SHISEIDO COMPANY, LTD.
    Inventors: Shihoka Ohashi, Yukiko Hiruma, Takashi Matsuda, Takashi Matsui
  • Publication number: 20210275434
    Abstract: The purpose of the present invention is to provide: a virus inactivating agent that exhibits an effect at an amount that does not cause skin irritation; and an external skin preparation composition containing said virus inactivating agent. The present invention relates to: a virus inactivating agent containing, as an effective component thereof, at least one selected from mint oil, eucalyptus oil, rosemary oil, sage oil, tea tree oil, shell ginger oil, peppermint oil, lemongrass oil, cajeputi oil, niaouli cineole oil, lime oil, lemon oil, lemon verbena oil, St. John's wort oil, ravintsara oil, rosewood oil, Melissa/lemon balm oil, myrrh oil, mandarin oil, vetiver oil, frankincense oil, citronella oil, cardamom oil, Angelica oil, and cationized starch; and an external skin preparation composition containing the same.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 9, 2021
    Applicant: Shiseido Company, Ltd.
    Inventors: Shoko ARINO, Hirohito SHIRAKAMI, Yukiko HIRUMA
  • Publication number: 20210267862
    Abstract: An objective of the present invention is to provide a gel-type skin preparation for external use into which a di-chain cationic surfactant can be stably blended without precipitation over time and which can be spread topically on skin. The gel preparation according to the present invention comprises (a) a di-chain cationic surfactant having a specific structure, (b) an oil in which component (a) is soluble, (c) a lower alcohol, (d) a water-soluble thickener, and (e) water.
    Type: Application
    Filed: July 8, 2019
    Publication date: September 2, 2021
    Applicant: Shiseido Company, Ltd.
    Inventors: Shoko ARINO, Yukiko HIRUMA
  • Patent number: 10624823
    Abstract: An oil-in-water emulsion lip cosmetic that is not sticky when applied and superior to provide watery feel, glossy appearance, transparent and long-lasting glossy appearance when applied, comprises (A) an oil phase further comprising (a1) and (a2), wherein (a1) is 5 to 70% by mass of a non-volatile hydrocarbon oil including hydrogenated polyisobutene, and (a2) is 5 to 70% by mass of methylphenyl silicone that separates from (a1) when (a1) and (a2) are mixed with at 25° C.; and (B) an aqueous phase further comprising (b1) and (b2), wherein (b1) is 10 to 80% by mass of an aqueous component, and (b2) is 0.01 to 10% by mass of a colorant.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: April 21, 2020
    Assignee: SHISEIDO COMPANY, LTD.
    Inventors: Ayaka Minato, Noriko Tomita, Yukiko Hiruma, Hiroko Nakata
  • Publication number: 20190262242
    Abstract: An oil-in-water emulsion lip cosmetic that is not sticky when applied and superior to provide watery feel, glossy appearance, transparent and long-lasting glossy appearance when applied, comprises (A) an oil phase further comprising (a1) and (a2), wherein (a1) is 5 to 70% by mass of a non-volatile hydrocarbon oil including hydrogenated polyisobutene, and (a2) is 5 to 70% by mass of methylphenyl silicone that separates from (a1) when (a1) and (a2) are mixed with at 25° C.; and (B) an aqueous phase further comprising (b1) and (b2), wherein (b1) is 10 to 80% by mass of an aqueous component, and (b2) is 0.01 to 10% by mass of a colorant.
    Type: Application
    Filed: June 7, 2017
    Publication date: August 29, 2019
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: Ayaka MINATO, Noriko TOMITA, Yukiko HIRUMA, Hiroko NAKATA
  • Publication number: 20190192400
    Abstract: A lip cosmetic has a high transparency without giving unnatural whiteness and exerts a remarkable effect of ultraviolet ray protection over a broad wavelength range including the UVA and UVB regions. The lip cosmetic includes (A) at least 5% by mass of UV absorbers; wherein said (A) UV absorbers comprises (A1) at least one UV absorber selected from a group consisting of octocrylene, dimethicodiethylbenzalmalonate and diethylamino hydroxybenzoyl hexyl benzoate, and (A2) ethylhexyl methoxycinnamate; (B) a high-viscosity oil component in a range of 30% by mass to 70% by mass thereof; (C) a low-viscosity oil component in a range of 20% by mass to 40% by mass thereof, and (D) titanium dioxide and zinc oxide of which a total content is at most 0.5% by mass thereof; and wherein a sun-protection-factor (SPF) of the lip cosmetic is at least 20, and a critical wavelength thereof is at a shortest 370 nm.
    Type: Application
    Filed: November 18, 2016
    Publication date: June 27, 2019
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: Shihoka OHASHI, Yukiko HIRUMA, Takashi MATSUDA, Takashi MATSUI
  • Publication number: 20180008527
    Abstract: Provided is a makeup cosmetic having bright fluorescent colouring whilst still having excellent transparency (being clear), and a cosmetic colouring material that is suitable for the cosmetic. The makeup cosmetic comprises (A) at least one kind of oil-soluble dye selected from the group consisting of red no. 218, red no. 223 and orange no. 201, (B) particles of a specific material selected from hydroxyapatite, calcium carbonate, a metal oxide (other than ferric oxide) and silica, and (C) oil, wherein the blending amount of pigment is not greater than 0.5 mass %, and the blending amount of water is less than 1.5 mass %. The makeup cosmetic, achieves high luminance fluorescent colouring whilst also having excellent transparency, and can be used as a lip cosmetic, blusher or eye shadow.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 11, 2018
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: Shihoka OOHASHI, Yukiko HIRUMA
  • Publication number: 20170319454
    Abstract: A makeup cosmetic has bright fluorescent coloring whilst having excellent transparency (being clear), and a cosmetic coloring material that is suitable for the cosmetic. A makeup cosmetic comprising (A) at least one kind of oil-soluble dye selected from the group consisting of red no. 218, red no. 223 and orange no. 201, (B) a higher fatty acid metal salt, and (C) oil, wherein the blending amount of pigment is not greater than 0.5 mass %, and the oil-soluble dye is dissolved or dispersed in the oil. The makeup cosmetic, achieves high luminance fluorescent coloring whilst also having excellent transparency, and can be used as a lip cosmetic, blusher or eye shadow.
    Type: Application
    Filed: July 21, 2017
    Publication date: November 9, 2017
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: SHIHOKA OOHASHI, Yukiko HIRUMA