Patents by Inventor Noriaki Fujiyama

Noriaki Fujiyama 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: 20100311894
    Abstract: A polypropylene resin composition includes: 14 to 39 wt % of a propylene block copolymer (A-1) having MFR of 1 to 200 g/10 min, the propylene block copolymer comprising 70 to 95 wt % of a room temperature n-decane insoluble part (Dinsol (1)) and 5 to 30 wt % of a room temperature n-decane soluble part (Dsol (1)), the Dinsol (1) having a mmmm fraction of not less than 97%, the Dsol (1) having [?] of 4 to 10 dl/g; 20 to 60 wt % of a propylene block copolymer (A-2) having MFR of 1 to 200 g/10 min, the propylene block copolymer comprising 70 to 95 wt % of a room temperature n-decane insoluble part (Dinsol (2)) and 5 to 30 wt % of a room temperature n-decane soluble part (Dsol (2)), the Dinsol (2) having a mmmm fraction of not less than 97%, the Dsol (2) having [?] of 1.5 to 4 dl/g; 5 to 30 wt % of an ethylene/?-olefin copolymer rubber (B); and 10 to 30 wt % of an inorganic filler (C).
    Type: Application
    Filed: October 27, 2008
    Publication date: December 9, 2010
    Inventors: Yoshiaki Tsukahara, Ikunori Sakai, Yoshio Sugimoto, Satoko Toei, Noriaki Fujiyama