Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chiyu Liu — 2 Patents

Cisco: 2 patents #5,498 of 13,007Top 45%
San Diego, CA: #11,944 of 23,606 inventorsTop 55%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,927,813 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10230212 Method and apparatus to prevent laser kink failures Mudasir Ahmad, Weidong Xie, Yaoyu Pang, Qiang Wang 2019-03-12
10186839 Laser with pre-distorted grating Weidong Xie, Qiang Wang, Mudasir Ahmad 2019-01-22