According to statistics, 449 enterprizes in 2013 China top 500 manufacturing enterprises reported its patent numbers, with 278,000 patents in total, up 24.11% than that of last year. Of the 278,000 patents, 75,000 are inventions, up 20.97%, accounting for 26.98% of the total.  

Statistics also show the average patents that the manufacturing enterprises own are 620, up 21.81%, and the average invention patents are 167, up 18.44%.