Patents by Inventor Edward C. Yu

Edward C. Yu 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).

  • Surface modification by accelerated plasma or ions
    Patent number: 5389195
    Abstract: The present invention is a surface modification process which provides a means of rapidly heating a thin layer of a polymer surface or a thin coating of material on a coated substrate and various surfaces produced by such a process.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: February 14, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Andrew J. Ouderkirk, Douglas S. Dunn, Edward C. Yu, Susan N. Bohlke
  • Polymer with crosslinked surface zones
    Patent number: 5332625
    Abstract: The present invention is a surface modification process which provides a means of rapidly heating a thin layer of a polymer surface or a thin coating of material on a coated substrate and various surfaces produced by such a process.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: July 26, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Douglas S. Dunn, Edward C. Yu, Andrew J. Ouderkirk
  • Process for producing a patterned metal surface
    Patent number: 5286550
    Abstract: A surface modification process which provides a means of rapidly heating a thin layer of a polymer surface or a thin coating of material on a coated substrate and various surfaces produced by such a process.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: February 15, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Edward C. Yu, Susan N. Bohlke, Andrew J. Ouderkirk, Douglas S. Dunn
  • Process for producing a patterned metal surface
    Patent number: 5178726
    Abstract: The present invention is a surface modification process which provides a means of rapidly heating a thin layer of a polymer surface or a thin coating of material on a coated substrate and various surfaces produced by such a process.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: January 12, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Edward C. Yu, Susan N. Bohlke, Andrew J. Ouderkirk, Douglas S. Dunn