Inventor · Alexandria, VA, US

Richard G. Ketchum

8Patents
4h-index
20Co-inventors
49Inventor score

Filing activity: Dec 10, 1998 → Jan 19, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7181424B1 Montage for automated market system Physics 113 Expired
US7209896B1 Locked/crossed quote handling Physics 95 Expired
US7870056B2 Montage for automated market system Physics 20 Active
US7801795B2 Electronic communication network ranking for automated market system Physics 6 Active
US7599875B1 Dual quote market system Physics 4 Expired
US8311926B1 Montage for automated market system Physics 1 Expired
US8296216B2 Directed order processing for automated market system Physics 0 Active
US8301539B2 Order processing for automated market system Physics 0 Active

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