Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MK

Mark Gregory Kefford — 2 Patents

VSVasco Data Security: 1 patents #12 of 24Top 50%
Hong Kong, CN: #1,027 of 3,463 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Mark Gregory Kefford has been granted 2 US patents while listed as an inventor at Vasco Data Security. The first was granted in 2005 and the most recent in March 2019. Mark Gregory Kefford ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mark Gregory Kefford in Hong Kong, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10237691 Proximal physical location tracking and management systems and methods Alan Cheung, Jason Scott Anderssen 2019-03-19
6880079 Methods and systems for secure transmission of information using a mobile device Alain Marie Eric Vanderstraeten, Mario Houthooft 2005-04-12