Patents by Inventor Kazuyoshi Ro

Kazuyoshi Ro 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).

  • LAMINATE AND PACKAGING BAG
    Publication number: 20240042745
    Abstract: A laminate including, a base material layer; a first polyethylene resin layer containing a first polyethylene resin and having a melt flow rate of less than 5 g/10 minutes, and a second polyethylene resin layer containing a second polyethylene resin and having a melt flow rate of 5 to 12 g/10 minutes, in this order, in which a ratio R2 (Mw/Mn) of a weight-average molecular weight Mw to a number average molecular weight Mn of the second polyethylene resin is 7 or less.
    Type: Application
    Filed: December 23, 2021
    Publication date: February 8, 2024
    Applicants: TOPPAN INC., TAMAPOLY CO., LTD.
    Inventors: Kazuyoshi RO, Akinori SAKURAI
  • LAMINATE AND STANDING POUCH
    Publication number: 20230227227
    Abstract: A laminate includes a substrate layer and a heat-sealing layer. A fold of the laminate produced by a weight of a 2 kg roller has a folding angle of 20 to 55°, and a content of polyethylene in the laminate is 90% by mass or more. The folding angle may be 25 to 55°. The substrate layer may contain high-density polyethylene. The substrate layer may be a uniaxially oriented linear low-density polyethylene film or an unstretched film made of polyethylene.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 20, 2023
    Applicant: TOPPAN INC.
    Inventors: Shukiko IMAIZUMI, Kazuyoshi RO
  • COVER MATERIAL AND PACKAGING CONTAINER
    Publication number: 20150175317
    Abstract: A cover material of the invention includes: a base member; a sealant layer; and an adherence prevention layer including particles and a binder used to adhesively fix the particles to the sealant layer, the particles having a mean particle diameter of 5 to 1000 nanometers.
    Type: Application
    Filed: March 6, 2015
    Publication date: June 25, 2015
    Applicant: TOPPAN PRINGTING CO., LTD.
    Inventors: Nobuhiko IMAI, Kazuyoshi Ro, Ikuno Iguchi, Ryukichi Matsuo