Japanese research firm Astamuse said that Chinese companies submitted about 7,600 blockchain patent applications between 2009 and 2018, about three times that of US companies, and submitted in five countries (China, US, Japan, Korea, Germany). More than 60% of the total. In the same period, South Korea submitted about 1,150 applications, while Japan submitted about 380. According to data from Innography, Alibaba Group has 512 applications, ranking first. Followed by the British nChain (468 copies) and IBM (248 copies).