Hong-Chang Tsai

IN Inventec: 1 patents #521 of 1,270Top 45%

Overall (All Time): #3,629,419 of 4,157,543Top 90%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6128372	Extension device for telephone	Yong Pan, Yifeng Qian, Zhen-Xing Lai	2000-10-03