Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mengmeng Chen — 4 Patents in 2021

ACAdvanced New Technologies Co.: 1 patents #324 of 623Top 55%
BCBeijing Oceanbase Technology Co.: 1 patents #1 of 1Top 100%
Overall (2021): #44,134 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11188535 Distributed join operation processing method, apparatus, device, and storage medium 2021-11-30
11086872 Method and system for outer join of database tables 2021-08-10
11080278 Database query plan selection 2021-08-03
10885035 Method and system for outer join of database tables 2021-01-05