Patents by Inventor Naoshi Tsutsui

Naoshi Tsutsui 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).

  • Backpack blower
    Publication number: 20070294855
    Abstract: A backpack blower comprising a blower which has an air intake opening, a backpack frame which is used to support the blower on the back of a user, and a back pad that is coupled to the backpack frame and contacts the back of the user. The back pad is composed of a cushion material and has a back surface contacting the back of the user and an opposite surface. The air intake opening communicates with at least a portion of the opposite surface, so that the air intake noise of the blower can reach at least the portion of the opposite surface.
    Type: Application
    Filed: June 13, 2007
    Publication date: December 27, 2007
    Applicant: KIORITZ CORPORATION
    Inventors: Giichi Iida, Naoshi Tsutsui, Masayuki Takano