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

Bonifacio Diaz — 6 Patents

ZEZenith Electronics: 4 patents #84 of 411Top 25%
Chicago, IL: #2,115 of 13,327 inventorsTop 20%
Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #879,078 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6777831 Electrochemical processing power device Enrique G. Gutierrez 2004-08-17
6146515 Power supply and method for producing non-periodic complex waveforms Enrique G. Gutierrez, Rogelio Valenzuela 2000-11-14
4941076 Start-up circuit for a high voltage DC to AC converter 1990-07-10
4872100 High voltage DC to AC converter 1989-10-03
4837670 Bias source for a switchmode converter 1989-06-06
4717994 Current mode control for DC converters operating over 50% duty cycle Anand K. Upadhyay 1988-01-05