Inventor · Batavia, IL, US

Stephen HOFFMAN

4Patents
3h-index
6Co-inventors
43Inventor score

Filing activity: Oct 6, 2008 → Feb 12, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8082211B2 Smart card purchase transactions using wireless telecommunications network Physics 41 Active
US8019684B2 Smart card load and purchase transactions using wireless telecommunications network Physics 40 Active
US8078532B2 Smart card loading transactions using wireless telecommunications networks Physics 39 Active
US11783308B2 Method and system for implementing an electronic exchange for bill pay transactions Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.