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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Billy Pingli Kao — 3 Patents

Amazon: 3 patents #5,214 of 19,158Top 30%
Bothell, WA: #889 of 2,342 inventorsTop 40%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Billy Pingli Kao has been granted 3 US patents while listed as an inventor at Amazon. The first was granted in 2022 and the most recent in July 2024. Billy Pingli Kao ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Billy Pingli Kao in Bothell, WA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12040555 Peripheral antenna placement for calibration for a phased array antenna Tara Yousefi, Iyappan Ramachandran, Murat E. Veysoglu, Peter James Hetzel, Alireza Mahanfar 2024-07-16 $400,268,000
11462828 Peripheral antenna placement for calibration for a phased array antenna Tara Yousefi, Iyappan Ramachandran, Murat E. Veysoglu, Peter James Hetzel, Alireza Mahanfar 2022-10-04 $209,032,000
11322838 Techniques for in-orbit calibration of phased array antenna Iyappan Ramachandran, Simon Damphousse, Tara Yousefi, Murat E. Veysoglu, Ming-Chun Lee 2022-05-03 $256,937,000