Inventor
CHEN YEN-JOHN
TW3 patents
Patents
3 patentsUS6737860B2May 18, 2004
System for controlling rotational speed of fan according to reference clock frequency
PROLIFIC TECHNOLOGY INC51 citations91
US6956726B2Oct 18, 2005
Power protection device
PROLIFIC TECHNOLOGY INC10 citations71
US6933699B2Aug 23, 2005
Motor drive circuit and method with frequency setting and correcting functions
PROLIFIC TECHNOLOGY INC6 citations60