Patents by Inventor Kenji Iwauchi

Kenji Iwauchi 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: 8375645
    Abstract: A sliding door device has a first pin body provided, at a floor surface; a guide member provided at the door and having a guide groove in which the first pin body fits when the door is closed; and a second pin body that is provided on the floor surface and can be fit in a door groove formed at the door bottom. When the closed door slides in an opening direction and toward the back side of the wall surface, the guide member moves relatively along the first pin body while the first pin body is fit in the guide groove of the guide member. When the door slides further in the opening direction, the second pin body gets in the door groove of the door, and the door slides along the second pin body while the second pin body is fit in the sliding groove of the door.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: February 19, 2013
    Assignees: Niitech Co., Ltd., Sugatsune Kogyo Co., Ltd.
    Inventors: Kenji Iwauchi, Masazumi Morishita, Masahito Yamada
  • Publication number: 20100205865
    Abstract: A sliding door device has a first pin body provided, at a floor surface; a guide member provided at the door and having a guide groove in which the first pin body fits when the door is closed; and a second pin body that is provided on the floor surface and can be fit in a door groove formed at the door bottom. When the closed door slides in an opening direction and toward the back side of the wall surface, the guide member moves relatively along the first pin body while the first pin body is fit in the guide groove of the guide member. When the door slides further in the opening direction, the second pin body gets in the door groove of the door, and the door slides along the second pin body while the second pin body is fit in the sliding groove of the door.
    Type: Application
    Filed: March 3, 2008
    Publication date: August 19, 2010
    Applicants: NIITECH CO., LTD., SUGATSUNE KOGYO CO., LTD.
    Inventors: Kenji Iwauchi, Masazumi Morishita, Masahito Yamada