Patents by Inventor Kei YAWATA

Kei YAWATA 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).

  • Glass interleaving paper
    Patent number: 10047483
    Abstract: Provided is a glass interleaving paper capable of suppressing scratches on surfaces of glass plates in a manufacturing process or a distribution process for storing and transporting a plurality of stacked glass plates. The glass interleaving paper is characterized in that a main component is cellulose pulp, a basis weight is 10 to 100 g/m2, and content of mineral having a Mohs hardness of at least 5 is 400 ppm or less. When the mineral having a Mohs hardness of at least 5 is a silicate mineral, the glass interleaving paper is more useful.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: August 14, 2018
    Assignee: Oji Holdings Corporation
    Inventors: Koichi Hagihara, Kei Yawata, Takumi Takahashi
  • GLASS INTERLEAVING PAPER
    Publication number: 20170152633
    Abstract: Provided is a glass interleaving paper capable of suppressing scratches on surfaces of glass plates in a manufacturing process or a distribution process for storing and transporting a plurality of stacked glass plates. The glass interleaving paper is characterized in that a main component is cellulose pulp, a basis weight is 10 to 100 g/m2, and content of mineral having a Mohs hardness of at least 5 is 400 ppm or less. When the mineral having a Mohs hardness of at least 5 is a silicate mineral, the glass interleaving paper is more useful.
    Type: Application
    Filed: June 15, 2015
    Publication date: June 1, 2017
    Inventors: Koichi HAGIHARA, Kei YAWATA, Takumi TAKAHASHI