Huawei topped the list of individual company filers in 2018 with a record number of 5,405 published PCT applications. Huawei was followed by Mitsubishi Electric Corp. of Japan (2,812), Intel Corp. of the U.S. (2,499), Qualcomm Inc. of the U.S. (2,404) and ZTE Corp. of China (2,080). The top ten ranking is completed by Samsung, BOE Technology, LG Electronics, LM Ericsson and Robert Bosch, in that order.
Among educational institutions, the University of California was the largest user of the PCT system in 2018 with 501 published applications, extending a leading position it has held since 1993. Massachusetts Institute of Technology (216) ranked second, followed by Shenzhen University (201), South China University of Technology (170) and Harvard University (169).
When analysed by application sector the patent applications it can be seen that in 2018 digital communication (8.6 percent of the total) overtook computer technology (8.1 percent) with the largest share of published PCT applications. These two fields were followed by electrical machinery (7 percent), medical technology (6.7 percent) and transport (4.6 percent). Among the top 10 sectors, transport (+11.3 percent), digital communication (+10.1 percent) and semiconductors (+9.8 percent) were the fields with the highest rates of growth in 2018.
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