Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ching-Feng Hsieh — 2 Patents in 2021

COCoretronic: 2 patents #38 of 172Top 25%
Jinshanmian, TW: #69 of 188 inventorsTop 40%
Overall (2021): #173,545 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11143944 Projection device and calibration method thereof Chih-Chen Chen, Hui-Chung Hung 2021-10-12
11048149 Lens structure and projection apparatus Yun Wang, I-Hsien Liu, Chien-Ming Peng 2021-06-29