Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MM

Michael Margraf — 3 Patents

AAAssa Abloy Ab: 1 patents #163 of 311Top 55%
GRGrayhill: 1 patents #13 of 19Top 70%
UAU2T Photonics Ag: 1 patents #4 of 9Top 45%
Westminster, CO: #315 of 944 inventorsTop 35%
Colorado: #13,156 of 40,980 inventorsTop 35%
Overall (All Time): #1,478,917 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9990485 Anti-passback algorithm for reading a public or secure object Toby Mark Padilla, David Andresky, Bryan Holloway, Kieran Wingfield 2018-06-05
8630551 Method and system for characterizing an optical device Christoph Leonhardt, Andreas Matiss 2014-01-14
7355165 Optical encoder and method for using same Jacob Shaw 2008-04-08