Patents by Inventor Abe Yoshiaki

Abe Yoshiaki 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).

  • Publication number: 20100076172
    Abstract: A method of manufacturing a molded article having excellent color and transparency and made from a polycarbonate resin. The method is for manufacturing a molded article by melting and molding a granule of a polycarbonate resin at a temperature of 280 to 380° C., wherein the granule satisfies the following condition (a): (a) when 100 parts by weight of the granule is cleaned with 100 parts by weight of a 1N nitric acid aqueous solution, the amount of an Fe compound eluted into the cleaning liquid of the 1N nitric acid aqueous solution is 1 to 100 ppb in terms of an Fe atom based on the granule.
    Type: Application
    Filed: February 26, 2008
    Publication date: March 25, 2010
    Inventors: Seiichi Tanabe, Abe Yoshiaki