Patents by Inventor Aya Miyaji

Aya Miyaji 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
    Patent number: 6217855
    Abstract: The present invention provides a hair treatment composition (I) comprising the following components (a) and (b), or a hair treatment composition (II) comprising the following components (c) and (b), and a method for imparting elasticity to the hair using the composition: (a) an organic solvent; (b) at least one aromatic sulfonic acid selected from naphthalenesulfonic acids, azulenesulfonic acids, tetralin-sulfonic acids, indansulfonic acids and benzophenonesulfonic acids or salts thereof; and (c) a reducing agent.
    Type: Grant
    Filed: May 29, 1997
    Date of Patent: April 17, 2001
    Assignee: KAO Corporation
    Inventors: Takashi Itou, Takayoshi Kajino, Aya Miyaji, Toru Yoshihara, Jiro Kawase, Mikako Matubara, Naohisa Kure