Patents by Inventor Sadaaki Nanai

Sadaaki Nanai 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).

  • Ultrasonic vibration driving type thermal printer
    Patent number: 4797689
    Abstract: A thermal printer in which dye is transferred from a film to a receiver in response to heat including a thermal head assembly having a plurality of heating elements. The thermal head comprises a vibration device adapted to induce a vibration wave in the heating elements which move in one direction in time. The heating elements are supported by the vibration device and, as they frictionally engage the film, cause the film and the receiver to move in the opposite direction.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: January 10, 1989
    Assignee: Eastman Kodak Company
    Inventor: Sadaaki Nanai
  • Automatic pattern generation type sewing machine
    Patent number: 4220101
    Abstract: In an automatic pattern generation type sewing machine, a function generating device generates stitch positions using a signal synchronous with the rotation of the armshaft of the sewing machine, a digital signal generating device provides digital signals corresponding to the stitch positions, and a servo driving device, using the digital signals, moves the cloth or the needle, to thereby form a variety of geometrical stitch patterns automatically.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: September 2, 1980
    Assignee: Kabushiki Kaisha Yaskawa Denki Seisakusho
    Inventors: Sadaaki Nanai, Akinobu Iwako