Growing community of inventors

Zhengzhou, China

Qingjun Zheng

Average Co-Inventor Count = 13.00

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

Qingjun Zheng ↔ Li Huang (1 patent)Qingjun Zheng ↔ Xiaoli Li (1 patent)Qingjun Zheng ↔ Bin Chen (1 patent)Qingjun Zheng ↔ Guohong Ren (1 patent)Qingjun Zheng ↔ Yukai Luo (1 patent)Qingjun Zheng ↔ Wenhuan Cao (1 patent)Qingjun Zheng ↔ Xinpeng Hu (1 patent)Qingjun Zheng ↔ Renyu Wen (1 patent)Qingjun Zheng ↔ Dabing Che (1 patent)Qingjun Zheng ↔ Yanwei Zhang (1 patent)Qingjun Zheng ↔ Feng Li (1 patent)Qingjun Zheng ↔ Wenjuan Wu (1 patent)Qingjun ZhengQingjun Zheng (1 patent)Li HuangLi Huang (2 patents)Xiaoli LiXiaoli Li (2 patents)Bin ChenBin Chen (1 patent)Guohong RenGuohong Ren (1 patent)Yukai LuoYukai Luo (1 patent)Wenhuan CaoWenhuan Cao (1 patent)Xinpeng HuXinpeng Hu (1 patent)Renyu WenRenyu Wen (1 patent)Dabing CheDabing Che (1 patent)Yanwei ZhangYanwei Zhang (1 patent)Feng LiFeng Li (1 patent)Wenjuan WuWenjuan Wu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. China Railway Tunnel Group Co., Ltd. (1 from 5 patents)

2. China Railway Tunnel Stock Co., Ltd. (1 from 2 patents)


1 patent:

1. 11371348 - Pipeline annular self-traveling guide apparatus and method

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12/24/2025
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