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USPTO Patent Rankings Data through Sept 30, 2025
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C. K. Chieng

HP: 1 patents #3,612 of 7,018Top 55%
Singapore, SG: #6,661 of 13,971 inventorsTop 50%
Overall (All Time): #3,917,614 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4978969 Method for printing using ultra-violet curable ink 1990-12-18