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USPTO Patent Rankings Data through Dec 31, 2025
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Robert Tso — 6 Patents in 2020

Amazon: 6 patents #147 of 4,414Top 4%
Hawthorne, CA: #2 of 36 inventorsTop 6%
California: #3,376 of 68,989 inventorsTop 5%
Overall (2020): #22,868 of 565,922Top 5%
6 Patents 2020

Issued Patents 2020

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10834366 Audio/video recording and communication doorbell devices with power control circuitry Daniil Tretiakov, James Steven Skeoch 2020-11-10 $356,943,000
10672237 Doorbell sound output device controllers, doorbell switches, and associated systems and methods 2020-06-02 $166,505,000
10638097 Audio/video recording and communication doorbell devices James Steven Skeoch, Chih-Jung Lin 2020-04-28 $269,738,000
10609344 Audio/video recording and communication doorbell devices including transistor assemblies, and associated systems and methods 2020-03-31 $135,720,000
10554887 Low-power-consumption audio/video recording and communication doorbell James Siminoff, Changsoo Jeong, John Modestine, Trevor Phillips, Mark Siminoff +1 more 2020-02-04 $85,832,000
10529206 Security devices and associated audio/video communication methods Spiro Sacre, Matthew J. England, Samuel Taeyoung Lee, Mark Siminoff, James Siminoff +1 more 2020-01-07 $97,183,000