Patents by Inventor Takashi Yamakoshi

Takashi Yamakoshi 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: 5424355
    Abstract: An aqueous coating composition comprising fine polymer particles dispersed in an aqueous medium and an inorganic filler, wherein said fine polymer particles comprise synthetic rubber emulsion polymer particles having a glass transition temperature of 0.degree. C. or less and emulsion polymer particles having a glass transition temperature of 20.degree. C. or more, and further, according to circumstances, urethane emulsion polymer particles. This composition has various properties as a chipping-resistant coating agent in good balance and is particularly useful for coating of the outdoor sheet metal working members of wheeled vehicles.
    Type: Grant
    Filed: April 20, 1994
    Date of Patent: June 13, 1995
    Assignee: Nippon Carbide Kogyo Kabushiki Kaisha
    Inventors: Masami Uemae, Takeshi Komatsu, Yoshihiro Maeyama, Takashi Yamakoshi, Akira Kume