Sort | Patent applicant | Number of patent applications |
1 | Beijing Chaoyang District Maizidian Welfare Plastic Products Factory | 13 |
2 | Xi’an Huarou Sports Co., Ltd | 7 |
3 | Aobolong (Beijing) Sports Development Co., Ltd | 5 |
4 | Li Guiyuan | 5 |
5 | Zeng Guanghui | 4 |
6 | Oberon (Beijing) Sports Development Co., Ltd | 3 |
7 | qiannan normal college for nationalities | 2 |
8 | Zeng Zhaogui | 2 |
9 | Beijing Huaheng Xingye Sports Products Co., Ltd | 2 |
10 | Nanning Pinguan Sports Co., Ltd | 2 |