Patents by Inventor Nobuo Ohkubo

Nobuo Ohkubo 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).

  • Method for machining a workpiece by renewing a tool movable range
    Patent number: 5846121
    Abstract: A machining apparatus for machining a workpiece by moving a tool in direction relative to the workpiece comprises, tool moving means for moving the tool in the direction relative to the workpiece, tool movable range setting means for setting a movable range for the tool to inhibit the workplace from exceeding a reference size by inputting the reference size, and halting means for halting a movement of the tool when a position of said tool exceeds the tool movable range set by said tool movable range setting means.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: December 8, 1998
    Assignee: Toyoda Koki Kabushiki Kaisha
    Inventors: Yutaka Hayashi, Makoto Nonoyama, Tomonari Kato, Toshihiro Yonezu, Nobuo Ohkubo
  • Bumper construction
    Patent number: 4079975
    Abstract: An elongated channel member having a pair of elongated flange portions at its leg portions for increasing the mechanical strength thereof is used as a vehicle bumper.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: March 21, 1978
    Assignee: Nissan Motor Company, Ltd.
    Inventors: Kiyoto Matsuzaki, Nobuo Ohkubo