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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Haiyan Du — 3 Patents

SYSybase: 2 patents #107 of 384Top 30%
Sap Se: 1 patents #2,890 of 6,322Top 50%
San Ramon, CA: #998 of 2,140 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Haiyan Du has been granted 3 US patents while listed as an inventor at Sybase. The first was granted in 2016 and the most recent in November 2022. Haiyan Du ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Haiyan Du in San Ramon, CA, US.

Patents per Year

Patents granted per year, 2016 to 2022Bar chart with a peak of 1 patents in 2016.peak 12016: 1 patents20162017: 1 patents20172022: 1 patents2022

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11487779 Virtual function as query operator Sinisa Knezevic, Petya Nikolova, Shasha Luo, Nitesh Maheshwari, Shahul Hameed P +1 more 2022-11-01 $1,926,000
9703825 Maintenance of a pre-computed result set Xiao-Ming Zhou, Xun Cheng, Nitesh Maheshwari, Prabhas Kumar Samanta 2017-07-11
9529846 Data grid advisor Juan Wu, Mihnea Andre, Ian Scott MacLeod 2016-12-27