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Shiu H. Cheung

📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,632,123 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5870005 Frequency modulated oscillator for transmitting short range signals 1999-02-09
4258386 Television audience measuring system 1981-03-24
4245246 Pay TV system 1981-01-13