Patents by Inventor Edward Hernadez

Edward Hernadez 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).

  • Wide-bandwidth chirped fiber bragg gratings with low delay ripple amplitude
    Patent number: 6741773
    Abstract: A device including a chirped Bragg grating, said grating having (a) a reflection bandwidth having a full-width at half maximum that is greater than 6 nm, and (b) a reflection delay ripple amplitude of less than ±50 ps.
    Type: Grant
    Filed: January 3, 2003
    Date of Patent: May 25, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: James F. Brennan, III, Edward Hernadez, John A. Valenti, Pranay G. Sinha, Michael R. Matthews, Dale E. Elder, Gerald A. Beauchesne, Chad H. Byrd