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

Christopher Du — 4 Patents

ATAT&T: 3 patents #5,559 of 18,772Top 30%
San Ramon, CA: #854 of 2,140 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
Christopher Du has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 2020 and the most recent in December 2025. Christopher Du ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Christopher Du in San Ramon, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12511448 Power transmission and transformation project acceptance method based on building information modeling (BIM) and point cloud measurement Jieting Xu, Bing-Guan Chen, Aigen Pei, Hongping Xie, Bin Bo +7 more 2025-12-30
12193113 Bulk data processing system Letian Chen, Baofeng Jiang, Yew-Aik Lim 2025-01-07
11490247 Bulk data processing system Letian Chen, Baofeng Jiang, Yew-Aik Lim 2022-11-01 $56,187,000
10834578 Bulk data processing system Letian Chen, Baofeng Jiang, Yew-Aik Lim 2020-11-10 $13,486,000