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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ramya Gopalan — 2 Patents in 2021

Amazon: 2 patents #625 of 4,535Top 15%
Cupertino, CA: #382 of 1,477 inventorsTop 30%
California: #13,721 of 66,859 inventorsTop 25%
Overall (2021): #121,192 of 548,734Top 25%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11205437 Acoustic echo cancellation control Xianxian Zhang 2021-12-21 $255,884,000
11175372 Beam rejection in multi-beam microphone systems William Folwell Barton, Kenneth Edgar Hild, II, Kavitha Velusamy, Amit Singh Chhetri 2021-11-16 $260,256,000