Patents by Inventor Danielle Marie Walker

Danielle Marie Walker 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).

  • Methods and apparatus for a semiconductor device
    Patent number: 7145178
    Abstract: A method for increasing carrier concentration in a semiconductor includes providing a group III nitride semiconductor device, determining a wavelength that increases carrier concentration in the semiconductor device, and directing at least one infrared light source, at the determined wavelength, into a semiconductor device excitation band.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: December 5, 2006
    Assignee: General Electric Company
    Inventors: Edward Brittain Stokes, Danielle Marie Walker, Xian-an Cao, Steven Francis LeBoeuf
  • Methods and apparatus for a semiconductor device
    Patent number: 6841406
    Abstract: A method for increasing carrier concentration in a semiconductor includes providing a group III nitride semiconductor device, determining a wavelength that increases carrier concentration in the semiconductor device, and directing at least one infrared light source, at the determined wavelength, into a semiconductor device excitation band.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: January 11, 2005
    Inventors: Edward Brittain Stokes, Danielle Marie Walker, Xian-an Cao, Steven Francis LeBoeuf
  • Methods and apparatus for a semiconductor device
    Publication number: 20030087461
    Abstract: A method for increasing carrier concentration in a semiconductor includes providing a group III nitride semiconductor device, determining a wavelength that increases carrier concentration in the semiconductor device, and directing at least one infrared light source, at the determined wavelength, into a semiconductor device excitation band.
    Type: Application
    Filed: November 6, 2001
    Publication date: May 8, 2003
    Inventors: Edward Brittain Stokes, Danielle Marie Walker, Xian-an Cao, Steven Francis LeBoeuf