Patents by Inventor Sanjeet Bhatia

Sanjeet Bhatia 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).

  • Patent number: 7209620
    Abstract: A dispersion optimized fiber having higher spot area comprising a center core region, a cladding region, a ring core region and an outer glass region is provided, wherein the cladding is provided onto the outer periphery of the center core, and the ring core is provided onto the outer periphery of the cladding, and the outer glass region surrounds the ring core region, and the center core and the ring core have refractive indices higher than the outer glass region and the cladding region has lower refractive index than the outer glass region, and the refractive indices are constrained by the equation n1>n3>n4>n2.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: April 24, 2007
    Assignee: Sterlite Optical Technologies Limited
    Inventors: Shashikant Prasad, Sthitadhi Das, Nageswaran Senthil Kumar, Sanjeet Bhatia, Salaj Sinha, Pankaj Khanna
  • Publication number: 20050058418
    Abstract: A dispersion optimized fiber having higher spot area comprising a center core region, a cladding region, a ring core region and an outer glass region is provided, wherein the cladding is provided onto the outer periphery of the center core, and the ring core is provided onto the outer periphery of the cladding, and the outer glass region surrounds the ring core region, and the center core and the ring core have refractive indices higher than the outer glass region and the cladding region has lower refractive index than the outer glass region, and the refractive indices are constrained by the equation n1>n3>n4>n2.
    Type: Application
    Filed: January 22, 2004
    Publication date: March 17, 2005
    Inventors: Shashikant Prasad, Sthitadhi Das, Nageswaran Kumar, Sanjeet Bhatia, Salaj Sinha, Pankaj Khanna