Thomas J. Campana Jr. (January 26, 1947 – June 8, 2004) was an inventor. He was awarded about 50 US patents in his 30-year career. His most significant contributions were in the field of push email. He invented and patented a number of new technologies that were later incorporated into Research in Motion's BlackBerry mobile email devices. In 2006, after a protracted legal battle, Research in Motion paid US$612.5 million to license the patents.