Patents by Inventor Tastuo Takahashi

Tastuo Takahashi 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: 4516311
    Abstract: A machining center comprises a horizontal bed, a column disposed perpendicularly to the bed, a plurality of slide rest located to be relatively movable to the bed and column, a spindle head, and a tool magazine. The spindle head includes vertical and horizontal spindles and a tool exchanging mechanism comprising tool exchanging arm assemblies positioned at positions suitable for the corresponding spindles and adapted to exchange tools held by the tool magazine with those held by the vertical and horizontal spindles.
    Type: Grant
    Filed: December 30, 1982
    Date of Patent: May 14, 1985
    Assignee: Kabushiki Kaisha Miyano Tekkosho
    Inventors: Shilo Takakuwa, Isao Kobayashi, Tastuo Takahashi, Shige Imamizu