Patents by Inventor Sahoko Yamashina

Sahoko Yamashina 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).

  • Shampoo composition
    Patent number: 5211883
    Abstract: A shampoo composition is disclosed. The composition comprises an amidoamine-type amphoteric surface active agent, a specific type of modified silicone polymeric compound, and a specific type of polymer. It gives an excellent soft and smooth feeling during washing and rinsing, a superb natural hair-set effect without oily stickiness and roughness, and easy passage of comb through the hair. It is also mild to the skin, the mucous of the eyes, and the like.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: May 18, 1993
    Assignee: Kao Corporation
    Inventors: Sahoko Yamashina, Seiichi Kumagai, Kazuyuki Yahagi
  • Shampoo composition
    Patent number: 5077041
    Abstract: A shampoo composition is disclosed. The composition comprises an anidoamine-type amphoteric surface active agent, a specific type of modified silicone polymeric compound, and a specific type of polymer. It gives an excellent soft and smooth feeling during washing and rinsing, a superb natural hair-set effect without oily stickiness and roughness, and easy passage of comb through the hair. It is also mild to the skin, the mucous of the eyes, and the like.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: December 31, 1991
    Assignee: Kao Corporation
    Inventors: Sahoko Yamashina, Seiichi Kumagai, Kazuyuki Yahagi