Patents by Inventor Hyouk I. Yoo

Hyouk I. Yoo 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).

  • Solar cell manufacture
    Patent number: 4602120
    Abstract: An improved solar cell, and method for manufacture, in which a back side reverse p-n junction is formed prior to metallization and a gridded back side metallization material, chosen so that it penetrates the p-n junction where it is present, is fired into the wafer. The finished solar cell has improved efficiency despite the presence of the reverse p-n junction over a majority of the back face surface.
    Type: Grant
    Filed: November 25, 1983
    Date of Patent: July 22, 1986
    Assignee: Atlantic Richfield Company
    Inventors: G. Felix Wakefield, Hyouk I. Yoo