Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RF

Robert Foster — 4 Patents

PLPlantronics: 4 patents #104 of 433Top 25%
Scotts Valley, CA: #209 of 513 inventorsTop 45%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert Foster has been granted 4 US patents while listed as an inventor at Plantronics. The first was granted in 2013 and the most recent in October 2020. Robert Foster ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert Foster in Scotts Valley, CA, US.

Patents per Year

Patents granted per year, 2013 to 2020Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132014: 1 patents20142015: 1 patents20152020: 1 patents2020

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10798233 Mobile phone station Philip Sherburne, John B. Ledingham, Jacob T. Meyberg Guzman, Brent John Thorington, John Gary Mihelic +2 more 2020-10-06
D734296 Communication headset or headphone Nicholas W. Paterson 2015-07-14
D699215 Ear tip for a communications headset Christophe Koch, Edward O. Sanderson 2014-02-11
D681602 Ear tip for a communications headset Christophe Koch, Edward O. Sanderson 2013-05-07