The number of patents of Haier Zhijia ranges from 17 to 2 1.
In 20021year, the number of patents of Haier Zhijia was 4,535, followed by 2,649 and 2,520. Haier Zhijia Smart Home Invention Patent *** 14054. From 20 19 to now, Haier Zhijia has accumulated 2923 patents11611,more than the second place. 20 17 Haier Zhijia ranked first with 2,655 open patent applications.