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USPTO Patent Rankings Data through Sept 30, 2025
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Robert Tso — 3 Patents in 2019

Amazon: 3 patents #500 of 4,177Top 15%
Hawthorne, CA: #4 of 36 inventorsTop 15%
California: #9,221 of 67,890 inventorsTop 15%
Overall (2019): #71,227 of 560,194Top 15%
3 Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10418672 Combination heatsink and battery heater for electronic devices Samuel Taeyoung Lee, James Siminoff 2019-09-17
10304296 Doorbell sound output device controllers, doorbell switches, and associated systems and methods 2019-05-28
10270971 Low-power-consumption audio/video recording and communication doorbell James Siminoff, Changsoo Jeong, John Modestine, Trevor Phillips, Mark Siminoff +1 more 2019-04-23