Patents Assigned to Takaaki Nagao
  • Profile working machine
    Patent number: 4772161
    Abstract: A profile working machine includes a support portion, a working portion, and a drive and control system.
    Type: Grant
    Filed: February 27, 1987
    Date of Patent: September 20, 1988
    Assignees: Takaaki Nagao, Yotaro Hatamura, Hitachi Construction Machinery Co., Ltd.
    Inventors: Takaaki Nagao, Yotaro Hatamura, Kozo Ono
  • Profile working machine
    Patent number: 4666352
    Abstract: A profile working machine is equipped with a support for holding a work in place, a working tool for machining the work, and drive and control systems for controlling the relative displacements between the support and the working tool. The profile working machine is to machine the work into a desired profile.
    Type: Grant
    Filed: September 17, 1985
    Date of Patent: May 19, 1987
    Assignees: Takaaki Nagao, Yotaro Hatamura, Hitachi Construction Machinery Co., Ltd.
    Inventors: Takaaki Nagao, Yotaro Hatamura, Kozo Ono