Patents by Inventor Ryoichi Yamabe

Ryoichi Yamabe 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).

  • Co-extruded multilayer laminate
    Patent number: 5709956
    Abstract: An extruded product comprising a rigid portion (1) and a flexible portion (2) which are co-extruded, wherein the rigid portion (1) is made of a resin or resin composition having a deflection temperature under load of from 80.degree. to 120.degree. C. as measured by JIS K 7207 A-method, and the flexible portion (2) is made of a resin composition comprising from 5 to 75 wt % of a vinyl chloride resin, from 5 to 70 wt % of a partially crosslinked acrylonitrile-butadiene copolymer and from 10 to 65 wt % of a plasticizer.
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: January 20, 1998
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Ryoichi Yamabe, Tomoyuki Nara, Toshiyuki Narita