Patents by Inventor Harumi Tsukada

Harumi Tsukada 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).

  • HELICOPTER
    Publication number: 20100127114
    Abstract: A helicopter capable of preventing an increase in size of an airframe and achieving high-speed flight is provided. Provided is an airframe for supporting a main rotor so as to be rotatable, a propeller having a plane of rotation intersecting a plane of rotation of the main rotor, a propeller supporting portion that supports the propeller so as to be movable between positions behind and at the side of the airframe, and a tail disposed on the airframe, having a surface intersecting the plane of rotation of the main rotor.
    Type: Application
    Filed: August 14, 2008
    Publication date: May 27, 2010
    Inventors: Shuichi Nakayama, Harumi Tsukada