Patents by Inventor Shugo Maruyama

Shugo Maruyama 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).

  • Plug assembly, attachment plug and conversion plug
    Patent number: 7896663
    Abstract: A conversion plug has a pair of guide projections that hold therebetween a pair of blades in a stand state at the time of attachment of the conversion plug to an attachment plug, and guide the pair of blades into a pair of recesses. A plug main body has, at positions respectively adjacent to the pair of blades in the stand state, a pair of storage recesses for housing the pair of guide projections. During assembly, the pair of blades are naturally guided to the pair of recesses by the guide projections without an operator's specific care. After the assembly, the pair of blades are engaged in the pair of recesses and the guide projections are engaged in the storage recesses so that the guide projections cover the pair of blades thereby preventing the pair of blades from being deformed.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: March 1, 2011
    Assignee: Kaga Components Co., Ltd.
    Inventors: Kuniharu Niidome, Yuzuru Iijima, Shugo Maruyama
  • PLUG ASSEMBLY, ATTACHMENT PLUG AND CONVERSION PLUG
    Publication number: 20100190364
    Abstract: A conversion plug has a pair of guide projections that hold therebetween a pair of blades in a stand state at the time of attachment of the conversion plug to an attachment plug, and guide the pair of blades into a pair of recesses. A plug main body has, at positions respectively adjacent to the pair of blades in the stand state, a pair of storage recesses for housing the pair of guide projections. During assembly, the pair of blades are naturally guided to the pair of recesses by the guide projections without an operator's specific care. After the assembly, the pair of blades are engaged in the pair of recesses and the guide projections are engaged in the storage recesses so that the guide projections cover the pair of blades thereby preventing the pair of blades from being deformed.
    Type: Application
    Filed: December 29, 2009
    Publication date: July 29, 2010
    Applicant: KAGA COMPONENTS CO., LTD.
    Inventors: Kuniharu Niidome, Yuzuru Iijima, Shugo Maruyama