More than 12,000 handset-related patents have been granted to ZTE. They hold 13 per cent of the world's 4G-specific patents. The company was ranked third under the 2014 Patent Cooperation Treaty (PCT).
Among all Chinese cellphone companies in the US market, ZTE has the biggest market share, and one of the four most popular brands in the market, according to the company, state-run Xinhua news agency reported.
More than 10 per cent of ZTE's annual business revenue goes toward innovation and research, said CEO Shi Lirong.
The company earned 883 million yuan in net profits in the first quarter of 2015, up 41.91 per cent year on year.
Operating revenue increased by 10.21 per cent year on year to 21 billion yuan.