Patents by Inventor William J. Kaminsky

William J. Kaminsky 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).

  • Method and apparatus for fraud control in cellular telephone systems
    Patent number: 6219538
    Abstract: A method and apparatus for fraud control in cellular telephone systems. The invention identifies relative fraud probabilities for call records from the cellular telephone system, associates the call records with radio frequency (RF) signatures, and identifies the radio frequency signatures as being fraudulent or valid based on the relative fraud probabilities for the associated call records.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: April 17, 2001
    Assignee: Cellco Partnership
    Inventors: William J. Kaminsky, Jeffrey G. Sanpore, David L. Daniels, Mary H. Kennedy
  • Method and apparatus for fraud control in a cellular telephone switch
    Patent number: 6181925
    Abstract: A method and apparatus for fraud control using enhanced techniques with the call interdiction feature of a switch. A system in accordance with the principles of the present invention includes a fraud control system that monitors calls, identifies both legitimate and fraudulent cellular phones, discriminates legitimate cellular phones from fraudulent cellular phones, and then transmits an interdiction message to the switch, wherein the interdiction message instructs the switch to terminate calls placed from fraudulent cellular phones, while allowing calls placed by legitimate cellular phones to continue undisturbed.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: January 30, 2001
    Assignee: Cellco Partnership
    Inventors: William J. Kaminsky, Robert C. Medina, David Leighton Daniels, Matthew John Parzych
  • Method and apparatus for exchanging RF signatures between cellular telephone systems
    Patent number: 6023619
    Abstract: A method for reducing roaming fraud in mobile phone systems includes the exchange of an RF signature of a roaming mobile phone between the foreign and home service areas. Thereafter, the analysis of the RF signature can be performed either at the foreign or home service area.
    Type: Grant
    Filed: November 18, 1996
    Date of Patent: February 8, 2000
    Assignee: AirTouch Communications, Inc.
    Inventor: William J. Kaminsky
  • Method and apparatus for fraud control in cellular telephone systems
    Patent number: 5950121
    Abstract: A method and apparatus for fraud control in cellular telephone systems. The invention identifies relative fraud probabilities for call records from the cellular telephone system, associates the call records with radio frequency (RF) signatures, and identifies the radio frequency signatures as being fraudulent or valid based on the relative fraud probabilities for the associated call records.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: September 7, 1999
    Assignee: AirTouch Communications, Inc.
    Inventors: William J. Kaminsky, Jeffrey G. Sanpore, David L. Daniels, Mary H. Kennedy