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USPTO Patent Rankings Data through Sept 30, 2025
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Barteld Trip — 5 Patents

Sony: 5 patents #7,785 of 25,231Top 35%
Emmen, NL: #10 of 79 inventorsTop 15%
Overall (All Time): #1,020,007 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
RE43872 Headset for use with a communication and/or multimedia device Tjapko Uildriks, Erwin Weinans 2012-12-25
8073137 Audio headset Erwin Weinans, Rene Hin 2011-12-06
7925214 Distributed bluetooth system Erwin Weinans, Tjapko Uildriks 2011-04-12
7869765 Device with broadcast receiver and local wireless interface Charles Liu, Ivan Nelson Wakefield, Geert Hendrik Weinans, Ambrosius Gerardus Maria Pohlmann, Theodorus Johannes Boersma 2011-01-11
7616760 Headset for use with a communication and/or multimedia device Tjapko Uildriks, Erwin Weinans 2009-11-10