Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Lan Yao — 3 Patents in 2021

YCYangtze Memory Technologies Co.: 3 patents #44 of 209Top 25%
Overall (2021): #73,561 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11145666 Staircase structure for memory device Zhenyu Lu, Jun Chen, Xiaowang Dai, Jifeng Zhu, Qian Tao +6 more 2021-10-12
11101276 Word line contact structure for three-dimensional memory devices and fabrication methods thereof Jifeng Zhu, Zhenyu Lu, Jun Chen, Si Ping Hu, Xiaowang Dai +4 more 2021-08-24
11069712 Three-dimensional memory device Lei Xue 2021-07-20