Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Long Bu — 4 Patents

Broadcom: 2 patents #4,121 of 9,346Top 45%
APAvago Technologies General Ip (Singapore) Pte.: 1 patents #883 of 2,004Top 45%
ALAvago Technologies International Sales Pte. Limited: 1 patents #504 of 1,094Top 50%
San Diego, CA: #8,442 of 23,606 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Long Bu has been granted 4 US patents while listed as an inventor at Broadcom. The first was granted in 2013 and the most recent in April 2019. Long Bu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Long Bu in San Diego, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10270348 Synchronous switching regulator circuit Choong-yul Cha, Dandan Li, Hung-Ming Chien, Stephen Au 2019-04-23
10056912 Simultaneous cancellation of multiple spurs from different sources David Garrett, Dandan Li 2018-08-21 $93,537,000
9595924 Calibration for power amplifier predistortion Stephen Au, Vikram Magoon, Dandan Li, Weifeng Feng 2017-03-14
8400224 Programmable low noise amplifier and methods for use therewith Stephen Au, Dandan Li 2013-03-19 $4,072,000