Patents by Inventor Ikuko Seki

Ikuko Seki 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).

  • Recyclable light-shadowing and moisture-proof paper
    Publication number: 20030162044
    Abstract: Recyclable light proof and moisture proof papers with excellent moisture proofness and light proofness and especially with excellent repulpability during waste paper recovery are provided, which have a single repulpable and recyclable light proof and moisture proof layer on at least one side of a base paper using neither aluminium foil nor an aluminium deposited film, wherein said light proof and moisture proof layer contains 3-70 parts by weight (solids) of a light proof agent and 1-10 parts by weight (solids) of a wax per 100 parts by weight (solids) of a synthetic resin having a gel fraction of 90% or more.
    Type: Application
    Filed: February 26, 2003
    Publication date: August 28, 2003
    Inventors: Kinya Tamura, Jiro Yoshimura, Mitsuyuki Watanabe, Takanori Otsuhata, Ikuko Seki