Patents by Inventor Akihiro Wada

Akihiro Wada 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).

  • Molding material structure
    Patent number: 4169186
    Abstract: A molding material structure of a thermoplastic resin composition comprising (1) at least one pillar-shaped body made of a bundle of glass fiber filaments and a non-oriented thermoplastic resin and (2) an outer covering layer of an oriented thermoplastic resin compatible with the resin in said inner body is found to produce molded articles in which glass fiber filaments are dispersed uniformly in the resin matrix with longer average length to improve various properties of molded articles, especially impact strength.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: September 25, 1979
    Assignee: Asahi-Dow Limited
    Inventors: Kichiya Tazaki, Tamotsu Tahara, Akihiro Wada, Yukihisa Mizutani