Growing community of inventors

Liaoning, China

Changna Guo

Average Co-Inventor Count = 10.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Changna GuoZhenxin Li (1 patent)Changna GuoYan Zhang (1 patent)Changna GuoKun Fang (1 patent)Changna GuoXiaoxu Zou (1 patent)Changna GuoXu Qian (1 patent)Changna GuoLong Ma (1 patent)Changna GuoDong Wang (1 patent)Changna GuoZhifu Li (1 patent)Changna GuoMingying Xu (1 patent)Changna GuoChangna Guo (1 patent)Zhenxin LiZhenxin Li (2 patents)Yan ZhangYan Zhang (2 patents)Kun FangKun Fang (1 patent)Xiaoxu ZouXiaoxu Zou (1 patent)Xu QianXu Qian (1 patent)Long MaLong Ma (1 patent)Dong WangDong Wang (1 patent)Zhifu LiZhifu Li (1 patent)Mingying XuMingying Xu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. China Coal Technology & Engineering Group Shenyang Engineering Company (1 from 3 patents)


1 patent:

1. 12321167 - Moving target positioning capability testing device and testing method for coal mine

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1/20/2026
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