Patents by Inventor Shiban Kishen Koul

Shiban Kishen Koul 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).

  • Device for coupling suspended stripline and NRD guides
    Patent number: 7423497
    Abstract: A hybrid microwave-coupling device is for transmitting signals from non-radiative dielectric (NRD) waveguides to suspended striplines (SSL), and vice-versa. The two transmission lines are placed transversally with a longitudinal side of the NRD guide facing the SSL for conversion of a particular transverse electromagnetic (TEM) mode to a longitudinal section magnetic (LSM) mode.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: September 9, 2008
    Assignee: Indian Institute of Technology
    Inventors: Nagendra Prasad Pathak, Shiban Kishen Koul, Ananjan Basu