Patents by Inventor Yuji Numashima

Yuji Numashima 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: 5258459
    Abstract: Disclosed are a resin composition (D) for coating obtained by reacting (A) an epoxy resin, (B) a butadiene-acrylonitrile copolymer having carboxyl groups or amino groups at both terminals of the molecule and (C) a bifunctional mononuclear phenolic compound, and an electrodeposition coating composition comprising the resin composition (D). The coating compositions have high adhesiveness to metal substrates and may form a high corrosion-resistance coat film having good flexibility, chipping-resistance and low temperature properties. The coating compositions are favorably used in car industrial field.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: November 2, 1993
    Assignee: Shinto Paint Co., Ltd.
    Inventors: Norihide Fujimoto, Shigeki Tanaka, Takeshi Fukui, Yuji Numashima