Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CZ

Chen Zhai — 3 Patents

Qualcomm: 2 patents #5,657 of 12,104Top 50%
Apple: 1 patents #12,397 of 18,612Top 70%
San Diego, CA: #9,932 of 23,606 inventorsTop 45%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Chen Zhai has been granted 3 US patents while listed as an inventor at Qualcomm. The first was granted in 2020 and the most recent in May 2024. Chen Zhai ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Chen Zhai in San Diego, CA, US.

Patents per Year

Patents granted per year, 2020 to 2024Bar chart with a peak of 1 patents in 2020.peak 12020: 1 patents20202023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11990913 Systems and methods for providing a delay-locked loop with coarse tuning technique Abbas Komijani 2024-05-21 $215,899,000
11742839 Local oscillator divider with reduced applied current variation Yung-Chung LO 2023-08-29 $8,546,000
10700655 Gain-dependent impedance matching and linearity Alaaeldien Mohamed Abdelrazek Medra, David Zixiang Yang, Kevin Hsi Huai Wang, Francesco Gatta 2020-06-30 $14,245,000