Patents by Inventor Tomoka Maekawa

Tomoka Maekawa 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: 20230320965
    Abstract: A cosmetic composition including: (A) a silicone film-forming agent, and (B) an organopolysiloxane having a polyalkylene oxide moiety and a cationic group other than the component (A), wherein the content of water is 50% by mass or less. The cosmetic composition is a hair cosmetic composition or a hair dye composition.
    Type: Application
    Filed: May 27, 2021
    Publication date: October 12, 2023
    Applicant: KAO CORPORATION
    Inventors: Tomoka MAEKAWA, Tomoyuki SUZAWA, Kazutaka ISHIKAWA
  • Publication number: 20230240969
    Abstract: A cosmetic composition including: (A) a silicone film-forming agent, and (B) a high-molecular-weight organopolysiloxane having a degree of polymerization of 2,600 or more and 4,500 or less. A ratio by mass of a content of the component (A) to a total content of the component (A) and the component (B), [(A)/((A)+(B))] is 50% or more and 98% or less, and a water content is 10% by mass or less.
    Type: Application
    Filed: May 27, 2021
    Publication date: August 3, 2023
    Applicant: KAO CORPORATION
    Inventor: Tomoka MAEKAWA
  • Publication number: 20230225956
    Abstract: A cosmetic composition including: (A) a silicone film-forming agent, (B) a high-molecular-weight organopolysiloxane having a degree of polymerization of 2,350 or more and 20,000 or less, and (C) an organopolysiloxane having a cationic group other than the component (A) and the component (B). A total content of the components (A) to (C) in the cosmetic composition is 2% by mass or more and 50% by mass or less, and a content of water is 10% by mass or less.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 20, 2023
    Applicant: KAO CORPORATION
    Inventors: Tomoka MAEKAWA, Tomoyuki SUZAWA, Kazutaka ISHIKAWA
  • Publication number: 20230210753
    Abstract: A cosmetic composition including the following components (A) to (C), (A) a silicone film-forming agent, (B) a high-molecular-weight organopolysiloxane, (C) an organopolysiloxane having a polyalkylene oxide moiety and a cationic group, other than the component (A) and the component (B). The cosmetic composition is a hair dye composition or a hair cosmetic composition.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 6, 2023
    Applicant: KAO CORPORATION
    Inventor: Tomoka MAEKAWA
  • Patent number: 10988579
    Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 27, 2021
    Assignee: KAO CORPORATION
    Inventors: Tomoka Maekawa, Shuichiro Kobaru, Chihiro Miyazaki
  • Publication number: 20180163002
    Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.
    Type: Application
    Filed: February 13, 2018
    Publication date: June 14, 2018
    Applicant: KAO CORPORATION
    Inventors: Tomoka MAEKAWA, Shuichiro KOBARU, Chihiro MIYAZAKI
  • Patent number: 9926409
    Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: March 27, 2018
    Assignee: KAO CORPORATION
    Inventors: Tomoka Maekawa, Shuichiro Kobaru, Chihiro Miyazaki
  • Patent number: 9351920
    Abstract: The present invention relates to an organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 35% by mass and not more than 70% by mass, and the unsaturated monomer-derived polymer segment contains a repeating unit derived from a nonionic unsaturated monomer having a glass transition temperature Tg of 60° C. or higher (except for a repeating unit derived from an unsaturated monomer containing an amino group) in an amount of not less than 40% by mass and not more than 90% by mass, and further contains a repeating unit derived from a cationic unsaturated monomer in an amount of not less than 10% by mass and not more than 60% by mass.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: May 31, 2016
    Assignee: KAO CORPORATION
    Inventors: Chihiro Ohba, Shuichiro Kobaru, Tomoka Maekawa, Satomi Nakazono
  • Publication number: 20150297498
    Abstract: The present invention relates to an organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 35% by mass and not more than 70% by mass, and the unsaturated monomer-derived polymer segment contains a repeating unit derived from a nonionic unsaturated monomer having a glass transition temperature Tg of 60° C. or higher (except for a repeating unit derived from an unsaturated monomer containing an amino group) in an amount of not less than 40% by mass and not more than 90% by mass, and further contains a repeating unit derived from a cationic unsaturated monomer in an amount of not less than 10% by mass and not more than 60% by mass.
    Type: Application
    Filed: November 5, 2013
    Publication date: October 22, 2015
    Applicant: KAO CORPORATION
    Inventors: Chihiro OHBA, Shuichiro KOBARU, Tomoka MAEKAWA, Satomi NAKAZONO
  • Publication number: 20150139931
    Abstract: The present invention relates to a organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which the unsaturated monomer-derived polymer segment contains a repeating unit derived from N,N-dimethyl acrylamide in an amount of not less than 50% by mass and not more than 100% by mass, and a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 10% by mass and not more than 70% by mass.
    Type: Application
    Filed: June 4, 2013
    Publication date: May 21, 2015
    Applicant: Kao Corporation
    Inventors: Tomoka Maekawa, Shuichiro Kobaru, Chihiro Miyazaki