Patents by Inventor Hajime Sakata

Hajime Sakata 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).

  • Process for producing solid-state color image pickup array
    Patent number: 4481233
    Abstract: A process for producing a solid-state color pickup array, which comprises forming a resist mask on a wafer having a solid image pickup array; vapor-depositing a colorant on the wafer having the resist mask and on the resist mask; and removing the resist mask by dissolution, thereby eliminating selectively the colorant film vapor-deposited on the resist mask.
    Type: Grant
    Filed: February 16, 1983
    Date of Patent: November 6, 1984
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hajime Sakata, Kojiro Yokono, Seiichi Takahashi