Patents by Inventor Junichi Ikumoto

Junichi Ikumoto 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).

  • Tractor-drawn direct seed sowing apparatus
    Patent number: 5461993
    Abstract: A tractor-drawn seed sowing apparatus including a seed sower which travels on a ground surface while furrowing with furrow-cutting claw wheels, a power transmitter connected to a tractor so as to transmit a driving force of the tractor to the seed sower, and a coupler which connects the seed sower to the power transmitter, and the coupler is made of vertically and horizontally arranged linkages so that the seed sower can make up-and-down, pitching, rolling and yawing motions on irregular ground surfaces.
    Type: Grant
    Filed: November 30, 1993
    Date of Patent: October 31, 1995
    Assignee: Minoru Industrial Company, Limited
    Inventors: Junichi Ikumoto, Akio Yasuda