BEIJING, Mar. 3 (China Daily) -- Zhejiang University was granted 1,865 invention patents last year, topping all Chinese universities, according to a list recently unveiled by the Ministry of Education. Tsinghua University, Zhejiang University and Shanghai Jiao Tong University were the top three in the number of valid invention patents by the end of 2015. Zhejiang University has established a department to commercialize its technical innovations.