Patents by Inventor Ikuo Niboshi

Ikuo Niboshi 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: 4397723
    Abstract: Coating compositions comprising 100 parts by weight of a mixture composed of 50-98% by weight of at least one multifunctional monomer selected from compounds having 3 or more acryloyloxy groups and/or methacryloxy groups in 1 molecule, and 2-50% by weight of a bifunctional oligomer represented by the following general formula ##STR1## wherein R.sub.1 represents hydrogen or methyl, and n is an integer of 1 through 5, 0.01-10 parts by weight and polymerization inhibitor 10 through 2,000 ppm of a polymerization inhibitor, and being capable of forming a bridge hardened film of superior abrasion resistance, etc. by the application of activation energy rays, and resin moldings using the coating compositions.
    Type: Grant
    Filed: March 24, 1981
    Date of Patent: August 9, 1983
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takao Inoue, Tamotsu Wakahata, Yukio Maeda, Ikuo Niboshi