Patents Assigned to Hakugen, Ltd.
  • Fragrance releasing sheet article and method of making same
    Patent number: 4590111
    Abstract: A fragrance releasing sheet article comprising a resin member with patterns and/or colors thereon and a fragrance releasing member comprising a resin and perfume, the pattern member and the fragrance releasing member being integrally constituted; and a method of making such sheet article.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: May 20, 1986
    Assignee: Hakugen, Ltd.
    Inventor: Keinosuke Takeuchi