Patents by Inventor Youko JYOUMEI

Youko JYOUMEI 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).

  • Base paper for paper tube, and paper tube
    Patent number: 11613850
    Abstract: An object is to provide a base paper for paper tubes that has lower environmental impact and is used for manufacturing of paper tubes offering excellent water resistance. As a solution, a base paper for paper tubes is provided, wherein: it has two or more but no more than five paper layers; the paper layers are bonded by a water-soluble or water-dispersible adhesive; and its elution rate is 2.0 percent or lower.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: March 28, 2023
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Junji Yamamoto, Youko Jyoumei, Kenji Hirai
  • BASE PAPER FOR PAPER TUBE, AND PAPER TUBE
    Publication number: 20220042247
    Abstract: An object is to provide a base paper for paper tubes that has lower environmental impact and is used for manufacturing of paper tubes offering excellent water resistance. As a solution, a base paper for paper tubes is provided, wherein: it has two or more but no more than five paper layers; the paper layers are bonded by a water-soluble or water-dispersible adhesive; and its elution rate is 2.0 percent or lower.
    Type: Application
    Filed: September 19, 2019
    Publication date: February 10, 2022
    Inventors: Junji YAMAMOTO, Youko JYOUMEI, Kenji HIRAI