Study on Worldwide Development and Trends of Quantum Technologies Based on Patent Data
Juan Zhang, Qianfei Tian, Chuan Yi Tang, Lina Wang, Jing Xu, Junmin Fang · International Journal of Information and Education Technology · 2020
Quantum technologies attracted much attention for their disruptive potential in last two decades.The article analyzes the worldwide patent landscape for quantum technologies based on data extracted from Derwent Innovation and Web of Science.The quantum technologies were grouped into three distinct technology areas of quantum computing, quantum communication and quantum sensing, to demonstrate detailed development and trends respectively.It shows that quantum technology is a highly competitive research field, and United States, China and Japan are the most prominent countries, in particular China made a great progress in recent years.United States has a significant advantage in the field of quantum computing, which is the most promising field, meanwhile China has a significant advantage in the field of quantum communication and succeeds in launching a quantum satellite.