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JUI-CHIH YEN

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Overall (All Time): #2,047,737 of 4,157,543Top 50%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8693219	Power factor improvement circuit with phase adjustment and current gain reduction	—	2014-04-08
8258716	Driving power supply system of an active type LED with multiple channels	—	2012-09-04