Patents by Inventor Katsumasa Kayatsu

Katsumasa Kayatsu 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).

  • Patent number: 6497523
    Abstract: A cosmetic stick container includes a housing sleeve, an inner sleeve provided inside the housing sleeve so as to be advanceble and retractable along a length of said housing sleeve, a cosmetic stick molded directly inside the housing sleeve having a capsule attached thereto so as to be secured to the inner sleeve, and a mold lubricant constituted of a composition having low compatibility with a composition of the cosmetic stick. The mold lubricant is applied on inner surfaces of the housing sleeve and the capsule.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: December 24, 2002
    Assignee: Shiseido Company, Ltd.
    Inventors: Toshimitsu Kuroiwa, Yoshiki Koura, Katsumasa Kayatsu
  • Publication number: 20020181994
    Abstract: A cosmetic stick container includes a housing sleeve, an inner sleeve provided inside the housing sleeve so as to be advanceble and retractable along a length of said housing sleeve, a cosmetic stick molded directly inside the housing sleeve having a capsule attached thereto so as to be secured to the inner sleeve, and a mold lubricant constituted of a composition having low compatibility with a composition of the cosmetic stick. The mold lubricant is applied on inner surfaces of the housing sleeve and the capsule.
    Type: Application
    Filed: May 29, 2001
    Publication date: December 5, 2002
    Inventors: Toshimitsu Kuroiwa, Yoshiki Koura, Katsumasa Kayatsu