Patents by Inventor Takoa Kobayashi

Takoa Kobayashi 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).

  • Thermal transfer image forming apparatus using different gamma functions for different density ranges
    Patent number: 5359424
    Abstract: A thermal transfer image forming apparatus comprises: a recording head having a plurality of heating resistor elements arranged in a line; a mechanism for carrying a sheet of recording paper and an ink sheet at a predetermined pitch; a microcomputer including an image data reading means for continuously reading N-lines' pixel data (N being an integer of N.gtoreq.2) constituting input pixel data, a sampling means for sampling the N-lines' pixel data to a matrix of N.gtoreq.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: October 25, 1994
    Assignee: Seiko Epson Corporation
    Inventor: Takoa Kobayashi