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

F. Joseph Keith — 4 Patents

MAMacrosonix: 2 patents #3 of 9Top 35%
CTCenter For Innovative Technology: 1 patents #73 of 206Top 40%
Charlottesville, VA: #308 of 1,304 inventorsTop 25%
Virginia: #7,477 of 34,511 inventorsTop 25%
Overall (All Time): #1,272,529 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6388417 High stability dynamic force motor 2002-05-14
5994854 Acoustic resonator power delivery Christopher C. Lawrenson, Thomas W. Van Doren, Timothy S. Lucas 1999-11-30
5262692 Variable voltage switched current control Ronald D. Williams 1993-11-16
5077540 Minimum pulse width switching power amplifier Eric H. Maslen 1991-12-31