Patents by Inventor Narihiko Togo

Narihiko Togo 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).

  • Expandable thermoplastic resin beads and molded foam made from the same
    Patent number: 6277491
    Abstract: An object of the invention is to prevent an oil from penetrating into a vessel obtained from expandable thermoplastic resin beads through molding. The above object is achieved by expandable thermoplastic resin beads whose surface or surface layer is coated or incorporated with a fluorine-containing block copolymer comprising of a fluorine-containing vinyl-type polymer segment derived from a fluorine-containing vinyl-type monomer and a lipophilic vinyl-type polymer segment derived from a lipophilic vinyl-type monomer.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: August 21, 2001
    Assignee: Sekisui Kaseihin Kogyo KabushikiKaisha
    Inventors: Yasuhiro Sakoda, Hiroyuki Takahashi, Masaya Sato, Narihiko Togo