Patents by Inventor Rena Yee

Rena Yee 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).

  • Low birefringent polyimides for optical waveguides statement regarding federally sponsored research or development
    Patent number: 6389215
    Abstract: An optical waveguide subsystem, and process, having at least one cladding in contact with at least one core. The cladding has a refractive index less than the refractive index of the core. Either the cladding or core contains a crosslinked polyimide that is substantially meta-linked. The polyimide has an absolute birefringence of from about 0.01 to about zero.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: May 14, 2002
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Geoffrey A. Lindsay, Andrew P. Chafin, Rena Yee, Peter Zarras