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CHI-YUEN CHAU

Overall (All Time): #1,842,583 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11313535 Photoelectric device 2022-04-26
11022275 Optical device and illumination device 2021-06-01