Patents by Inventor Zento Tanaka

Zento Tanaka 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: 6415721
    Abstract: A storage conveyor for a hybrid carrying truck is disclosed wherein construction of a carrying line at a site can be achieved simply and at a low cost without precise construction and smooth carrying and easy transfer between adjacent carrying apparatus of different types from each other can be achieved. The storage conveyor for a hybrid carrying truck carries a hybrid carrying truck which includes a pair of left and right skid members and two pairs of traveling wheels disposed at front and rear positions on the left and right sides thereof, and includes a plurality of conveyor units connected to each other in a carrying direction.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: July 9, 2002
    Assignee: Tsubakimoto Chain Co.
    Inventors: Akira Morikiyo, Kenji Umezawa, Zento Tanaka, Masaru Goto