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

David Sam Piazza — 7 Patents

QLQuintel Technology Limited: 4 patents #4 of 17Top 25%
SPSpectrian: 2 patents #18 of 53Top 35%
DTDisplay Technologies: 1 patents #24 of 42Top 60%
San Jose, CA: #8,424 of 32,062 inventorsTop 30%
California: #82,707 of 386,348 inventorsTop 25%
Overall (All Time): #729,223 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10069213 Antenna system with beamwidth control Peter Chun Teck Song, Lance D. Bamford, David Edwin Barker 2018-09-04
9438278 Multi-array antenna David Edwin Barker, Lance D. Bamford, Peter Chun Teck Song 2016-09-06
9344176 Method and apparatus for providing elevation plane spatial beamforming David Edwin Barker 2016-05-17
9215938 Product display system with adjustable bracket Eric Neumann, Eleanor Lovinsky, Anthony Camello 2015-12-22
8879997 Method and apparatus for antenna radiation cross polar suppression David Edwin Barker, Stephen Thomas Newbold 2014-11-04
5825089 Low thermal resistance spring biased RF semiconductor package mounting structure Gregory Valenti, Howard D. Bartlow 1998-10-20
5710519 Circuit for automatically biasing RF power transistor by use of on-chip temperature-sensing transistor William McCalpin, Donald K. Belcher, Pierre Irissou 1998-01-20