Patents Assigned to Seikosha Instruments & Electronics Ltd.
  • Semiconductor device for use with a thermal print head
    Patent number: 4595821
    Abstract: Metal-oxide semiconductors are used for the logic control circuit and the drive circuit of a thermal print head to eliminate defects such as breakdowns and erroneous operations caused by heat generated in the thermal head and to reduce current consumption.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: June 17, 1986
    Assignee: Seikosha Instruments & Electronics Ltd.
    Inventor: Yoshiaki Matsuura