Patents by Inventor Atsushi Tomokuni

Atsushi Tomokuni 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).

  • Patent number: 9968530
    Abstract: The present invention provides a cleansing composition comprising the following components (A), (B), and (C): (A) 0.001 to 5% by mass of a polymer selected from the group consisting of (A-1), (A-2), and (A-3): (A-1) an acrylic copolymer comprising 10 mol % or more of a monomer selected from the group consisting of an acrylic acid alkyl ester and a methacrylic acid alkyl ester, as represented by mol % based on the total monomers; (A-2) a polysaccharide derivative having a polyoxyalkylene chain having an average molecular weight of 300 to 100,000; and (A-3) a polyether polycarbonate; (B) 1 to 50% by mass of one or two or more oil agents selected from the group consisting of (b1) and (b2): (b1) an ether oil and (b2) a hydrocarbon oil having a viscosity of 18 mPa·s or lower at 30° C.; and (C) water, and comprising (D) no nonionic surfactant having HLB of 8 or more or less than 5% by mass of the nonionic surfactant.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: May 15, 2018
    Assignee: KAO CORPORATION
    Inventors: Jenru Chen, Naoko Yamamoto, Atsushi Tomokuni
  • Patent number: 9943709
    Abstract: Provided is a skin cleansing composition comprising the following components (A), (B), (C), (D), and (E): (A) 0.1 to 25 mass % of an ether oil which is in a liquid state at 25° C., (B) 0.003 to 1 mass % of a water-soluble polymer comprising acrylic acid or methacrylic acid as a constitutional unit, (C) 1 to 30 mass % of a hydrocarbon oil having a viscosity of 15 mPa·s or lower at 30° C., (D) 60 to 95 mass % of water, and (E) 0.49 mass % or less of a nonionic surfactant having an HLB of larger than 9, wherein the mass ratio of the component (B) to the component (A), (B)/(A) is from 0.0001 to 0.1, and the mass ratio between the component (A) and the component (C), (A)/((A)+(C)) is from 0.05 to 0.9.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: April 17, 2018
    Assignee: KAO CORPORATION
    Inventors: Kouhei Yamada, Atsushi Tomokuni, Koji Tanaka, Daisuke Sawa, Takashi Kawai
  • Publication number: 20160106655
    Abstract: Provided is a skin cleansing composition comprising the following components (A), (B), and (C): (A) from 0.5 to 40 mass % of an ether oil in a liquid state at 25° C., (B) from 0.01 to 5 mass % of a nonionic water-soluble polymer comprising cellulose as a constitutional unit selected from the group consisting of methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, and hydroxypropylmethylcellulose, and (C) water, and 1 mass % or less of a nonionic surfactant, wherein the mass ratio of the component (B) to the component (A), (B)/(A) is from 0.001 to 5.
    Type: Application
    Filed: April 28, 2014
    Publication date: April 21, 2016
    Applicant: KAO CORPORATION
    Inventors: Kouhei YAMADA, Atsushi TOMOKUNI
  • Publication number: 20160101036
    Abstract: Provided is a skin cleansing composition comprising the following components (A), (B), (C), (D), and (E): (A) 0.1 to 25 mass % of an ether oil which is in a liquid state at 25° C., (B) 0.003 to 1 mass % of a water-soluble polymer comprising acrylic acid or methacrylic acid as a constitutional unit, (C) 1 to 30 mass % of a hydrocarbon oil having a viscosity of 15 mPa·s or lower at 30° C., (D) 60 to 95 mass % of water, and (E) 0.49 mass % or less of a nonionic surfactant having an HLB of larger than 9, wherein the mass ratio of the component (B) to the component (A), (B)/(A) is from 0.0001 to 0.1, and the mass ratio between the component (A) and the component (C), (A)/((A)+(C)) is from 0.05 to 0.9.
    Type: Application
    Filed: April 28, 2014
    Publication date: April 14, 2016
    Applicant: KAO CORPORATION
    Inventors: Kouhei YAMADA, Atsushi TOMOKUNI, Koji TANAKA, Daisuke SAWA, Takashi KAWAI
  • Publication number: 20150328127
    Abstract: The present invention provides a cleansing composition comprising the following components (A), (B), and (C): (A) 0.001 to 5% by mass of a polymer selected from the group consisting of (A-1), (A-2), and (A-3): (A-1) an acrylic copolymer comprising 10 mol % or more of a monomer selected from the group consisting of an acrylic acid alkyl ester and a methacrylic acid alkyl ester, as represented by mol % based on the total monomers; (A-2) a polysaccharide derivative having a polyoxyalkylene chain having an average molecular weight of 300 to 100,000; and (A-3) a polyether polycarbonate; (B) 1 to 50% by mass of one or two or more oil agents selected from the group consisting of (b1) and (b2): (b1) an ether oil and (b2) a hydrocarbon oil having a viscosity of 18 mPa·s or lower at 30° C.; and (C) water, and comprising (D) no nonionic surfactant having HLB of 8 or more or less than 5% by mass of the nonionic surfactant.
    Type: Application
    Filed: December 27, 2013
    Publication date: November 19, 2015
    Applicant: KAO CORPORATION
    Inventors: Jenru CHEN, Naoko YAMAMOTO, Atsushi TOMOKUNI
  • Patent number: 9072674
    Abstract: A skin cleansing agent composition of the present invention contains an isotropic liquid phase, which is a bicontinuous structure, and containing: 15 to 30 mass % of a nonionic surfactant having HLB of higher than 9 and equal to or lower than 20; 1 to 15 mass % of a nonionic surfactant having HLB of equal to or higher than 5 and equal to or lower than 9; 10 to 40 mass % of an oil agent exhibiting a viscosity at 30 degrees C. of equal to or lower than 30 mPa·s; 10 to 40 mass % of a water-soluble solvent having 3 or more of hydroxyl groups in single molecule; 10 to 30 mass % of a water-soluble solvent having 1 or 2 hydroxyl group(s) in single molecule; 0.05 to 1.0 mass % of a water-soluble polymer containing (meta)acrylic acid as a configuration unit and/or an acryloyl methyl taurate-vinylpyrrolidone copolymer; 0.001 to 2.0 mass % of a water-soluble inorganic salt and/or an organic salt having 1 to 8 carbon atoms; and water.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: July 7, 2015
    Assignee: KAO CORPORATION
    Inventors: Atsushi Tomokuni, Tomonori Fukuchi
  • Publication number: 20140142016
    Abstract: A skin cleansing agent composition of the present invention contains an isotropic liquid phase, which is a bicontinuous structure, and containing: 15 to 30 mass % of a nonionic surfactant having HLB of higher than 9 and equal to or lower than 20; 1 to 15 mass % of a nonionic surfactant having HLB of equal to or higher than 5 and equal to or lower than 9; 10 to 40 mass % of an oil agent exhibiting a viscosity at 30 degrees C. of equal to or lower than 30 mPa·s; 10 to 40 mass % of a water-soluble solvent having 3 or more of hydroxyl groups in single molecule; 10 to 30 mass % of a water-soluble solvent having 1 or 2 hydroxyl group(s) in single molecule; 0.05 to 1.0 mass % of a water-soluble polymer containing (meta)acrylic acid as a configuration unit and/or an acryloyl methyl taurate-vinylpyrrolidone copolymer; 0.001 to 2.0 mass % of a water-soluble inorganic salt and/or an organic salt having 1 to 8 carbon atoms; and water.
    Type: Application
    Filed: July 3, 2012
    Publication date: May 22, 2014
    Applicant: KAO CORPORATION
    Inventors: Atsushi Tomokuni, Tomonori Fukuchi
  • Publication number: 20060078525
    Abstract: A microemulsion composition containing the following ingredients (A) through (F): (A) a hydrophilic nonionic surfactant having as a hydrophilic group a residue of a sugar, reducing sugar or polyglycerin having a hydrogen atom of at least one hydroxyl group thereof removed; (B) a hydrophilic nonionic surfactant having a polyoxyethylene chain as a hydrophilic group; (C) a water-soluble organic solvent selected from the group consisting of (C1) through (C3) listed below; (C1) a compound having in a molecule thereof two or more oxypropylene groups (PO) and hydroxyl groups (OH), the ratio in number of these two groups (PO/OH) being smaller than 5; (C2) a monohydric alcohol having a carbon number ranging from 2 to 6; and (C3) a dihydric alcohol having a carbon number ranging from 2 to 6; (D) a lipophilic nonionic surfactant; (E) an oily ingredient; and (F) water.
    Type: Application
    Filed: September 21, 2005
    Publication date: April 13, 2006
    Applicant: Kao Corporation
    Inventor: Atsushi Tomokuni
  • Publication number: 20040136943
    Abstract: The present invention relates to a skin cleansing composition comprising (A) an oil component, (B) a hydrophilic nonionic surfactant, (C) a lipophilic amphiphile, (D) a water soluble solvent and (E) water. The composition has an isotropic liquid phase exhibiting a bicontinuous structure. The composition exhibits excellent detergency for the removal of both oil stains and water soluble stains and has high rinsability.
    Type: Application
    Filed: December 23, 2003
    Publication date: July 15, 2004
    Applicant: Kao Corporation
    Inventor: Atsushi Tomokuni
  • Patent number: 6509304
    Abstract: The invention relates to a detergent composition comprising the following components (A) and (B): (A) 3 to 60% by weight of at least one surfactant selected from anionic surfactants, amphoteric surfactants and hydrophilic nonionic surfactants; and (B) 0.1 to 50% by weight of fiber having an average fiber length of 0.02 to 1 mm. The detergent composition has a high detergent effect and excellent massaging ability and rinsability.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: January 21, 2003
    Assignee: Kao Corporation
    Inventors: Masayoshi Aoshima, Toshiya Ono, Atsushi Tomokuni, Hiroko Tsuda