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

David Brian Barkin

NSNational Semiconductor: 4 patents #498 of 2,238Top 25%
TITexas Instruments: 3 patents #4,047 of 12,488Top 35%
San Francisco, CA: #6,191 of 26,999 inventorsTop 25%
California: #82,707 of 386,348 inventorsTop 25%
Overall (All Time): #727,953 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9970798 Flush mounted ultrasonic transducer arrays for flow measurement Ira Oaktree Wygant 2018-05-15
9347808 Flush mounted ultrasonic transducer arrays for flow measurement Ira Oaktree Wygant 2016-05-24
9333535 MUT circuit with an electrically controllable membrane Joshua Posamentier, Ira Oaktree Wygant 2016-05-10
8135103 Mixed domain spread spectrum clocking for use in imaging systems for maximum imaging quality and optimized EMI performance Matthew Louis Courcy, James Brinkhurst 2012-03-13
7948423 Continuous synchronization for multiple ADCs Robert C. Taft, Heinz Werker, Pier Andrea Francese 2011-05-24
7728753 Continuous synchronization for multiple ADCs Robert C. Taft, Heinz Werker, Pier Andrea Francese 2010-06-01
7474154 Bias device clamping circuit for fast over-range recovery Bumha Lee, Sing W. Chin 2009-01-06