Patents by Inventor Hirashi Ueda

Hirashi Ueda 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).

  • Mechanical scribing apparatus with controlling force of a scribing cutter
    Patent number: 7281334
    Abstract: A mechanical scribing apparatus with controlling force of a scribing cutter for adaptively separating each unit of thin film solar cells formed on a single substrate, which is always capable of performing a predetermined minute scribing of a work in accordance with a wear loss of a scribing cutter. This apparatus is provided with a scribing means for placing a scribing cutter having a cylindrical body tapered at a specified tapering angle and having a flat tip face at a specified surface position of the work, pressing the cutter with a specified pressure force to the surface of the work and moving the cutter on the surface of the work, a means for measuring the size of a flat tip face of the scribing cutter and a means for variably controlling the pressure force of the scribing cutter in accordance with the measured size of the flat tip face of the cutter.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: October 16, 2007
    Inventors: Satoshi Yonezawa, Hirashi Ueda
  • Mechanical scribing apparatus with controlling force of a scribing cutter
    Publication number: 20050223570
    Abstract: A mechanical scribing apparatus with controlling force of a scribing cutter for adaptively separating each unit of thin film solar cells formed on a single substrate, which is always capable of performing a predetermined minute scribing of a work in accordance with a wear loss of a scribing cutter. This apparatus is provided with a scribing means for placing a scribing cutter having a cylindrical body tapered at a specified tapering angle and having a flat tip face at a specified surface position of the work, pressing the cutter with a specified pressure force to the surface of the work and moving the cutter on the surface of the work, a means for measuring the size of a flat tip face of the scribing cutter and a means for variably controlling the pressure force of the scribing cutter in accordance with the measured size of the flat tip face of the cutter.
    Type: Application
    Filed: March 7, 2005
    Publication date: October 13, 2005
    Inventors: Satoshi Yonezawa, Hirashi Ueda