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

John Usher

AIAesculap Ii: 3 patents #2 of 4Top 50%
ASAesculap Implant Systems: 3 patents #15 of 66Top 25%
AKAesculap Ag & Co. Kg: 1 patents #60 of 124Top 50%
Saratoga, CA: #906 of 2,933 inventorsTop 35%
California: #66,801 of 386,348 inventorsTop 20%
Overall (All Time): #577,974 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8394131 Occipitocervical fixation system Charles Wing, Robert M. Crews 2013-03-12
7887548 Screw insertion guide tube with window Ronald I. Apfelbaum 2011-02-15
7744632 Rod to rod connector 2010-06-29
7628799 Rod to rod connector Marc Richelsoph 2009-12-08
7029474 Rod to rod connector Marc Richelsoph 2006-04-18
6960212 Rod to rod connector Marc Richelsoph 2005-11-01
6958066 Rod to rod connector Marc Richelsoph 2005-10-25
6602253 Rod to rod connector Marc Richelsoph 2003-08-05
5474463 Bay for receiving removable peripheral device George Henry Robinson, John Zolkos 1995-12-12