Patents Assigned to Maeda & Associates
  • Color filter dyeing apparatus
    Patent number: 4821675
    Abstract: A color filter dyeing apparatus for dyeing a color filter formed on a substrate comprises a chuck for holding the substrate on which the color filter is mounted, a dyeing solution receptacle in intimate engagement, by means of a sealing member, with the chuck or the substrate, and forming a container for containing the color filter therein, an inlet for supplying the dyeing solution into the container, and means for discharging the dyeing solution from the container.
    Type: Grant
    Filed: December 12, 1986
    Date of Patent: April 18, 1989
    Assignee: Maeda & Associates
    Inventors: Masahiko Ikeno, Hideo Saeki