Patents by Inventor Nirmalya Chattopadhyay

Nirmalya Chattopadhyay 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).

  • Prepaid service interface system and method
    Publication number: 20020091572
    Abstract: The present invention provides a system and method for providing prepaid services. In architecture, the system includes logic for connecting to a network. Logic is used for requesting access realtime prepaid services, and logic also is used for acquiring access to the prepaid services. The present invention can also be viewed as a method for providing prepaid services. The method operates by connecting to a network, requesting access to realtime prepaid services, and acquiring access to the prepaid services.
    Type: Application
    Filed: April 2, 2001
    Publication date: July 11, 2002
    Inventors: Carol Anderson, Nirmalya Chattopadhyay