Patents by Inventor Manirpallam Appadorai Subramanian

Manirpallam Appadorai Subramanian 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).

  • Tunable devices incorporating BiCu3Ti3FeO12
    Patent number: 6890875
    Abstract: This invention provides the novel dielectric BiCu3Ti3FeO12. BiCu3Ti3FeO12 provides good dielectric tunability and low loss over a frequency range of from 10 kHz to 10 MHz and is especially useful in tunable devices such as phase shifters, matching networks, oscillators, filters, resonators, and antennas comprising interdigital and trilayer capacitors, coplanar waveguides and microstrips.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: May 10, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Dong Li, Manirpallam Appadorai Subramanian
  • Tunable devices incorporating bicu3ti3feo12
    Publication number: 20040119055
    Abstract: This invention provides the novel dielectric BiCu3Ti3FeO12. BiCu3Ti3FeO12 provides good dielectric tunability and low loss over a frequency range of from 10 kHz to 10 MHz and is especially useful in tunable devices such as phase shifters, matching networks, oscillators, filters, resonators, and antennas comprising interdigital and trilayer capacitors, coplanar waveguides and microstrips.
    Type: Application
    Filed: October 21, 2002
    Publication date: June 24, 2004
    Inventors: Dong Li, Manirpallam Appadorai Subramanian