The top 100 Chinese companies with number of cases granted in 2021 among invention patent applications were released by a third party, based on the search results conducted through Himmpat (a worldwide patent intelligent search and analysis system) on Jan 01st, 2022.

We are proud to share that patentees represented by ZHENGZHOU RUIXIN, namely, China Petroleum and Chemical Corporation (the No. 4th), State Grid Corporation of China (the No. 8th) and Avic Jonhon Optronic Technology Co., Ltd. (the No. 94th) are among the TOP 100 list.

Among the 3561 invention patents belonging to “China Petroleum and Chemical Corporation”, the number of invention patents represented by ZHENGZHOU RUIXIN ranked 8th.

As for “State Grid Corporation of China”, ZHENGZHOU RUIXIN occupied 9% of the total number of invention patents (2746) in 2021, which made ZHENGZHOU RUIXIN become the top one patent agency with the largest number of invention patents once again.

The total number of invention patents for “Avic Jonhon Optronic Technology Co., Ltd.” was 310 in 2021. ZHENGZHOU RUIXIN, as its top one patent agency, accounted for 80% of invention patents.