Infographic: China takes 9-1 lead over US in tech patents

TOKYO -- China and the U.S. are competing to be the world's technological master 10 years from now, according to a Nikkei study of patent data in 10 categories, including artificial intelligence, blockchain and drones. Judging by the number of applications filed, China has pulled away in nine of the 10 categories, with tech giants Baidu and Alibaba Group Holding proving to be the major innovators.