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USPTO Patent Rankings Data through Dec 31, 2025
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Ludwig Schwoerer — 5 Patents

Nokia: 5 patents #1,066 of 5,652Top 20%
Hattingen, DE: #24 of 190 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ludwig Schwoerer has been granted 5 US patents while listed as an inventor at Nokia. The first was granted in 2009 and the most recent in September 2012. Ludwig Schwoerer ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ludwig Schwoerer in Hattingen, DE.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8275052 FFT carrier frequency offset estimation for OFDM signal Andre Kaufmann 2012-09-25 $2,530,000
8059751 Frequency dependent phase rotation prior to mapping in an OFDM transmitter Ernst Zielinski 2011-11-15 $2,182,000
8010588 Optimized multi-mode DFT implementation Yuhuan Xu 2011-08-30 $2,597,000
7751515 Method, system and receiver in receiving a multi-carrier transmission Andre Kaufmann, Jussi Vesma 2010-07-06 $2,151,000
7552161 Multi-stream FFT for MIMO-OFDM systems Ernst Zielinski 2009-06-23 $7,447,000