Patents by Inventor Yuuzi Watari

Yuuzi Watari 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 cosmetic composition
    Patent number: 4552754
    Abstract: A hair cosmetic composition having a strong gelation-preventive property comprising about 0.1 to about 10% by weight of a certain quaternary ammonium salt, about 0.05 to about 3.0% by weight of a certain 1-hydroxy-2-pyridone salt, about 0.05 to about 20% by weight of a certain polyol derivative, and a cosmetically acceptable carrier.
    Type: Grant
    Filed: April 6, 1983
    Date of Patent: November 12, 1985
    Assignee: Lion Corporation
    Inventors: Kazuhiro Muramatsu, Yuuzi Watari, Masaru Tajima, Isamu Nakaju