Patents by Inventor Daijou Ikeda

Daijou Ikeda 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: 5938881
    Abstract: A decorative sheet is obtained by a process which comprises superimposing a reinforcing plate, a second hot melt adhesive sheet, a porous decorating sheet, a third transparent hot melt adhesive sheet, and a transparent film in sequence on a first hot melt adhesive sheet, and then subjecting the laminate to heat pressing. The decorative sheet is then inserted into the mold. A base resin is then injected onto the back side of the first adhesive sheet of the decorative sheet.
    Type: Grant
    Filed: December 30, 1997
    Date of Patent: August 17, 1999
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Toshimichi Kawata, Ryoiti Takada, Hiroshi Watarai, Daijou Ikeda
  • Patent number: 5833916
    Abstract: A molded article containing an outer decorative film and a support, and a method and composition for making the same are disclosed. The outer film has a decorative layer and a protective layer, the protective layer being formed from a photopolymerizable resin composition. In an uncured state, the composition includes (a) an acrylic copolymer containing a backbone and at least one side chain linked to the backbone, the at least one side group having at least one (meth)acryloyl group, the backbone having a glass transition temperature of about 40.degree. C. to about 120.degree. C. and a weight-average molecular weight of about 10,000 to about 200,000; (b) a compound other than the copolymer (a), the compound having at least three (meth)acryloyl groups; and a photopolymerization initiator. The at least one (meth)acryloyl group is preferably linked to the backbone by a reacted glycidyl group.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: November 10, 1998
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Ryouichi Takada, Hiroshi Watarai, Toshimichi Kawata, Daijou Ikeda, Takashi Mita