Patents by Inventor Motoaki Itatani

Motoaki Itatani 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).

  • Apparatus for manufacturing a welded pipe
    Patent number: 5784911
    Abstract: An apparatus for manufacturing a welded pipe. The apparatus includes a cage or cluster roller molding system. In either case, a rotary axis of each roller is slanted counterclockwise or clockwise with respect to a manufacturing line direction of the apparatus. The adjustable positioning of the rotary axis reduces vertical slip caused when the strip of material passes along the contact surface of the roller.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: July 28, 1998
    Assignees: Kusakabe Electric & Machinery Co., Ltd., Kawasaki Steel Corporation
    Inventors: Yuji Hashimoto, Takaaki Toyooka, Motoaki Itatani, Susumu Itatani, Tsutomu Ide