Patents by Inventor Yasuda Fusao

Yasuda Fusao 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).

  • Patent number: 8496296
    Abstract: A connecting structure comprises a tubular connection joint and a tubular pipe-shaped cardboard tube for integral engagement with the tubular connection joint. The tubular connection joint is generally curved-shaped and has an insertion portion and a lock projection disposed along a curved inner surface of the insertion portion. The pipe-shaped cardboard tube has an oblique front end portion configured to be inserted into the tubular connection joint so that the oblique front end portion engages between the lock projection and the curved inner surface of the insertion portion.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: July 30, 2013
    Assignee: Sankei Kogyo Co., Ltd.
    Inventors: Yasuda Fusao, Matsumoto Masaki
  • Publication number: 20110025104
    Abstract: A connecting structure comprises a tubular connection joint and a tubular pipe-shaped cardboard tube for integral engagement with the tubular connection joint. The tubular connection joint is generally curved-shaped and has an insertion portion and a lock projection disposed along a curved inner surface of the insertion portion. The pipe-shaped cardboard tube has an oblique front end portion configured to be inserted into the tubular connection joint so that the oblique front end portion engages between the lock projection and the curved inner surface of the insertion portion.
    Type: Application
    Filed: May 11, 2010
    Publication date: February 3, 2011
    Inventors: Yasuda Fusao, Matsumoto Masaki