Patents by Inventor Kyu-cheol Shin

Kyu-cheol Shin 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).

  • Inkjet printing method and apparatus
    Patent number: 5517223
    Abstract: An inkjet printing method and apparatus in which an ejecting head is rotated to selectively eject ink by centrifugal force. The viscosity of ink is varied electrically or magnetically. The method and apparatus requires no additional heater, piezoelectric element or compressor, thereby simplifying the structure and reducing the production cost of the printer.
    Type: Grant
    Filed: December 29, 1993
    Date of Patent: May 14, 1996
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyu-cheol Shin