Patents by Inventor Yoshinori Saitoh

Yoshinori Saitoh 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 treatment composition comprising a lactam compound and a water-soluble macromolecule
    Patent number: 6099828
    Abstract: A hair treatment composition comprising a compound of Formula (1): ##STR1## wherein R.sup.1, R.sup.2, m and n are as defined in the disclosure; and a water-soluble macromolecule.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: August 8, 2000
    Assignee: Kao Corporation
    Inventors: Takayoshi Kajino, Hajime Tokuda, Yoshinori Saitoh, Akira Kiyomine