Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chucheng Chang

Overall (All Time): #2,045,337 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8710751 LED string with a capability to maintain a current path and LED unit thereof 2014-04-29
8664875 LED control circuit with auto on/off function 2014-03-04