Patents by Inventor Seiki Matsumoto

Seiki Matsumoto 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 and device for pressing workpiece
    Patent number: 6779703
    Abstract: A pressing device including a platen for pressing a workpiece is provided, which has a pressing plate provided between the platen and the workpiece to press the workpiece instead of the platen when the platen is moved toward the workpiece, and a liquid layer formed between the pressing plate and the platen to transfer a force for pressing the workpiece with a required pressure to the pressing plate from the platen through the liquid layer. The platen is a heating platen heatable to a temperature sufficient to heat the workpiece to a temperature required for pressing, and the liquid layer is filled with heat transfer oil. The pressing plate is metal plate with a mirror finished surfaces.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: August 24, 2004
    Assignee: Kitagawa Seiki Kabushiki Kaisha
    Inventors: Seiki Matsumoto, Shizuaki Okazaki
  • Method and device for pressing workpiece
    Publication number: 20030042294
    Abstract: A pressing device including a platen for pressing a workpiece is provided, which has a pressing plate provided between the platen and the workpiece to press the workpiece instead of the platen when the platen is moved toward the workpiece, and a liquid layer formed between the pressing plate and the platen to transfer a force for pressing the workpiece with a required pressure to the pressing plate from the platen through the liquid layer. The platen is a heating platen heatble to a temperature sufficient to heat the workpiece to a temperature required for pressing, and the liquid layer is filled with heat transfer oil. The pressing plate is metal plate with a mirror finished surfaces.
    Type: Application
    Filed: August 30, 2002
    Publication date: March 6, 2003
    Inventors: Seiki Matsumoto, Shizuaki Okazaki