Patents by Inventor Hidetoshi Iwabuchi

Hidetoshi Iwabuchi 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).

  • Hair cosmetics
    Patent number: 4839168
    Abstract: Hair cosmetic compositions comprise (A) an extract obtained by polar solvent extraction of a plant, preferable ones of which are birch, rosemary and hamamelis, and (B) a polypeptide compound including keratin, keratin derivative, silk and hydrolysate of silk.Such compositions are made into shampoo, rinse, set lotion, hair spray, etc.Hair cosmetics according to the invention can impart good hair style retentivity and good touch of feeling.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: June 13, 1989
    Assignee: Kao Corporation
    Inventors: Yoshiaki Abe, Hidetoshi Iwabuchi
  • Hair cosmetics
    Patent number: 4517175
    Abstract: Disclosed herein is a hair cosmetic comprising flavanol derivatives. Also disclosed a hair cosmetic comprising flavanol derivatives and peptide compounds. A hair cosmetic comprising flavanol derivatives can impart excellent hair style formability and retentivity and an appropriate degree of smoothness or softness to the hair. Peptide compounds synergistically improve the above performance when used in combination with the flavanol derivatives.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: May 14, 1985
    Assignee: Kao Corporation
    Inventors: Hidetoshi Iwabuchi, Takeo Okumura