Patents by Inventor Kiyoko Nakagaki

Kiyoko Nakagaki 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).

  • Skin cleansing composition
    Patent number: 6451327
    Abstract: The invention relates to a substantially nonaqueous skin cleansing composition comprising a granulated product obtained by granulating particles of a surfactant selected from the group consisting of nonionic surfactants, amphoteric surfactants and anionic surfactants with a binder. The composition scarcely causes damage to and itch on the skin, can give an effective massaged feeling and has excellent cleanability.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: September 17, 2002
    Assignee: Kao Corporation
    Inventors: Kiyoko Nakagaki, Masaaki Moriyama, Hiroe Tanahashi, Tomoko Umezawa, Hideyuki Hanazawa
  • Detergent composition including a glycerol derivative, a polyhydric alcohol, and an amphoteric surfactant
    Patent number: 5856284
    Abstract: A detergent composition comprising:(A) glycerol derivative having the following Formula (I) ##STR1## (B) a water-soluble polyhydric alcohol; and (C) at least one surfactant selected from the group consisting of an anionic surfactant, wherein component (A) and component (C) are in a ratio of from 2:1 to 1:100 by weight. When the detergent composition is used to clean skin, the skin remains moisturized after cleaning without stickiness or tackiness and without excess degreasing or dryness.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: January 5, 1999
    Assignee: Kao Corporation
    Inventors: Hirokazu Hamada, Kiyoko Nakagaki, Masaki Itabashi
  • Detergent composition
    Patent number: 5681804
    Abstract: A detergent composition comprising:(A) glycerol derivative having the following Formula (I) ##STR1## (B) a water-soluble polyhydric alcohol; and (C) at least one surfactant selected from the group consisting of an anionic surfactant, wherein component (A) and component (C) are in a ratio of from 2:1 to 1:100 by weight. When the detergent composition is used to clean skin, the skin remains moisturized after cleaning without stickiness or tackiness and without excess degreasing or dryness.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: October 28, 1997
    Assignee: Kao Corporation
    Inventors: Hirokazu Hamada, Kiyoko Nakagaki, Masaki Itabashi
  • Detergent composition
    Patent number: 5496492
    Abstract: A detergent composition comprising:(A) glycerol derivative having the following Formula (I) ##STR1## (B) a water-soluble polyhydric alcohol; and (C) at least one surfactant selected from the group consisting of an anionic surfactant, wherein component (A) and component (C) are in a ratio of from 2:1 to 1:100 by weight. When the detergent composition is used to clean skin, the skin remains moisturized after cleaning without stickiness or tackiness and without excess degreasing or dryness.
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: March 5, 1996
    Assignee: Kao Corporation
    Inventors: Hirokazu Hamada, Kiyoko Nakagaki, Masaki Itabashi