Patents by Inventor Sadaaki Mizuno

Sadaaki Mizuno 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).

  • Polishing apparatus
    Patent number: 9211627
    Abstract: Provided is a polishing apparatus capable of maintaining polishing precision although fewer expendable parts are periodically replaced. The polishing apparatus includes a polishing disk (20) having a polishing surface (20a) on the front side thereof to polish an end surface of a workpiece, a support mechanism (30) for supporting a back surface (20b) of the polishing disk (20) while allowing the polishing disk (20) to move along a predetermined plane, a workpiece holder (50) for holding the workpiece so as to contact the end surface of the workpiece with the polishing surface of the polishing disk, and a driving mechanism (70) for concurrently causing circular and reciprocating rectilinear motions of the polishing disk (20).
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: December 15, 2015
    Assignees: NTT Advanced Technology Corporation, Teitsu Engineering Co., LTD.
    Inventors: Kazutoshi Andou, Toshinori Kimura, Sadaaki Mizuno
  • POLISHING APPARATUS
    Publication number: 20130331008
    Abstract: Provided is a polishing apparatus capable of maintaining polishing precision although fewer expendable parts are periodically replaced. The polishing apparatus includes a polishing disk (20) having a polishing surface (20a) on the front side thereof to polish an end surface of a workpiece, a support mechanism (30) for supporting a back surface (20b) of the polishing disk (20) while allowing the polishing disk (20) to move along a predetermined plane, a workpiece holder (50) for holding the workpiece so as to contact the end surface of the workpiece with the polishing surface of the polishing disk, and a driving mechanism (70) for concurrently causing circular and reciprocating rectilinear motions of the polishing disk (20).
    Type: Application
    Filed: February 9, 2012
    Publication date: December 12, 2013
    Applicants: TEITSU ENGINEERING CO., LTD., NTT ADVANCED TECHNOLOGY CORPORATION
    Inventors: Kazutoshi Andou, Toshinori Kimura, Sadaaki Mizuno