Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Tso — 38 Patents

Amazon: 16 patents #797 of 19,158Top 5%
STSirf Technology: 15 patents #14 of 140Top 10%
CHCsr Technology Holdings: 2 patents #60 of 236Top 30%
HAHughes Aircraft: 2 patents #748 of 2,963Top 30%
HLHughes Electronics Limited: 1 patents #605 of 1,474Top 45%
RTX (Raytheon): 1 patents #8,290 of 15,912Top 55%
Hawthorne, CA: #4 of 315 inventorsTop 2%
California: #12,412 of 386,348 inventorsTop 4%
Overall (All Time): #84,675 of 4,157,543Top 3%
38 Patents All Time
Robert Tso has been granted 38 US patents while listed as an inventor at Amazon. The first was granted in 1994 and the most recent in May 2023. Robert Tso ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Robert Tso in Hawthorne, CA, US.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11647165 Audio/video recording and communication doorbell devices including transistor assemblies, and associated systems and methods 2023-05-09 $390,838,000
11417184 Security devices and associated audio/video communication methods Spiro Sacre, Matthew J. England, Samuel Taeyoung Lee, Mark Siminoff, James Siminoff +1 more 2022-08-16 $353,906,000
11102457 Audio/video recording and communication doorbell devices James Steven Skeoch, Chih-Jung Lin 2021-08-24 $237,177,000
11082591 Solar-charging mounting bracket for audio/video recording and communication devices James Siminoff, Spiro Sacre, Christopher Loew, Mark Siminoff, Matthew J. England 2021-08-03 $284,422,000
10999505 Low-power-consumption audio/video recording and communication doorbell James Siminoff, Changsoo Jeong, John Modestine, Trevor Phillips, Mark Siminoff +1 more 2021-05-04 $229,909,000
10939040 Low-power-consumption audio/video recording and communication doorbell James Siminoff, Changsoo Jeong, John Modestine, Trevor Phillips, Mark Siminoff +1 more 2021-03-02 $210,713,000
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
10418672 Combination heatsink and battery heater for electronic devices Samuel Taeyoung Lee, James Siminoff 2019-09-17 $141,358,000
10304296 Doorbell sound output device controllers, doorbell switches, and associated systems and methods 2019-05-28 $107,221,000
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 $122,659,000
10070058 Low-power-consumption audio/video recording and communication doorbell James Siminoff, Changsoo Jeong, John Modestine, Trevor Phillips, Mark Siminoff +1 more 2018-09-04 $97,614,000
9819867 Low-power-consumption audio/video recording and communication doorbell James Siminoff, Changsoo Jeong, John Modestine, Trevor Phillips, Mark Siminoff +1 more 2017-11-14
8903348 Serial radio frequency to baseband interface with power control Steve Gronemeyer 2014-12-02
8144810 Serial radio frequency to baseband interface with programmable clock Steve Gronemeyer 2012-03-27
7933627 GPS RF front end IC with frequency plan for improved integrability 2011-04-26
7751791 L1/L2 GPS receiver Noshir Dubash 2010-07-06
7639724 RF converter with multiple mode frequency synthesizer compatible with a 48 Fo GPS baseband processor Noshir Dubash 2009-12-29
7634025 Serial radio frequency to baseband interface with programmable clock Steve Gronemeyer 2009-12-15
7616705 Monolithic GPS RF front end integrated circuit Richard McConnell 2009-11-10
7512385 GPS RF front end IC with programmable frequency synthesizer for use in wireless phones Noshir Dubash, Tao Zhang 2009-03-31 $4,186,000