Tell us which year you got your B.S. degree, which year you became a 博導 in 清華. When did your 34名博士生 get their PH.D. degree? (it takes 4 to 6 years for a student wiht B.S. degree to get Ph.D in China). How long have you been in US? when you got 七項美國專利? (you should know 申請專利 takes time).