Patents by Inventor Yoshihiro Mizumoto

Yoshihiro Mizumoto 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).

  • Fiber for doll's hair
    Patent number: 5083967
    Abstract: A doll having hair comprising synthetic fiber consisting essentially of an acrylonitrile polymer comprising 30 to 80% by weight of an acrylonitrile and 70 to 20% by weight of at least one of a vinyl chloride and a vinylidene chloride. The fiber hair of the invention have the excellent flame resistance, the natural touch, the natural and quiet luster, the excellent curl retention and the excellent bulkiness.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: January 28, 1992
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masaaki Yokoe, Hiroshi Yokoyama, Yoshihiro Mizumoto
  • Fiber for doll's hair
    Patent number: 5057053
    Abstract: A doll having hair comprising synthetic fiber consisting essentially of an acrylonitrile polymer comprising 30 to 80% by weight of an acrylonitrile and 70 to 20% by weight of at least one of a vinyl chloride and a vinylidene chloride. The fiber hair of the invention have the excellent flame resistance, the natural touch, the natural and quiet luster, the excellent curl retention and the excellent bulkiness.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: October 15, 1991
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masaaki Yokoe, Hiroshi Yokoyama, Yoshihiro Mizumoto