Patents by Inventor Takumi Matuno

Takumi Matuno 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).

  • Laminated resin sheet and process for producing the same
    Patent number: 5393603
    Abstract: A laminated resin sheet comprising (A) a laminated base material composed of (A.sup.1) an expanded resin layer and (A.sup.2) a non-expanded resin layer obtained by co-extrusion of (a.sup.1) a blowing agent-containing thermoplastic resin and (a.sup.2) a filler-containing thermoplastic resin containing 9 to 80% by weight of a filler through a T die, having laminated on at least one side thereof (B) synthetic paper comprising a stretched porous thermoplastic resin film containing an inorganic filler. The laminated resin sheet is light and highly rigid and exhibits a beautiful appearance with satisfactory printability and is therefore useful as various display materials and thermoformable sheeting for food trays, etc.
    Type: Grant
    Filed: March 3, 1993
    Date of Patent: February 28, 1995
    Assignee: Oji Yuki Goseishi Co., Ltd.
    Inventors: Takashi Toyoda, Yasuji Hosono, Takashi Funato, Takao Yazaki, Akihiko Egashira, Takumi Matuno, Tokmi Chiba