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USPTO Patent Rankings Data through Sept 30, 2025
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Amit Singh Chhetri — 6 Patents in 2019

Amazon: 6 patents #195 of 4,177Top 5%
Sunnyvale, CA: #150 of 3,108 inventorsTop 5%
California: #3,228 of 67,890 inventorsTop 5%
Overall (2019): #27,199 of 560,194Top 5%
6 Patents 2019

Issued Patents 2019

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10452116 Determining a device state based on user presence detection David William Devries, Stewart Robin Shearer, Serkan Hatipoglu, Omar S. Leung, Michael Serge Devyver +2 more 2019-10-22
10304475 Trigger word based beam selection Rui Wang, Xiaoxue Li, Trausti Kristjansson, Philip Ryan Hilmes 2019-05-28
10242695 Acoustic echo cancellation using visual cues Kavitha Velusamy, Wai Chung Chu, Ramya Gopalan 2019-03-26
10244313 Beamforming for a wearable computer Jeffrey C. O'Neill, Philip Ryan Hilmes, Ramya Gopalan 2019-03-26
10237647 Adaptive step-size control for beamformer 2019-03-19
10229698 Playback reference signal-assisted multi-microphone interference canceler 2019-03-12