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Chi Shun Cheung

📍 Yuen Long, CN: #46 of 86 inventorsTop 55%
Overall (All Time): #3,469,134 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6687689 System and methods for document retrieval using natural language-based queries Pascale Fung, Yi Guan, Yongsheng Yang 2004-02-03