Growing community of inventors

Qiqihar, China

Yufeng Cao

Average Co-Inventor Count = 9.00

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 = 1

Yufeng Cao ↔ Haibin Hu (1 patent)Yufeng Cao ↔ Shifeng Xu (1 patent)Yufeng Cao ↔ Pingwei Yin (1 patent)Yufeng Cao ↔ Wendong Shao (1 patent)Yufeng Cao ↔ Derong Zhang (1 patent)Yufeng Cao ↔ Lidong Li (1 patent)Yufeng Cao ↔ Shihui Duan (1 patent)Yufeng Cao ↔ Yanchen Zhang (1 patent)Yufeng CaoYufeng Cao (1 patent)Haibin HuHaibin Hu (7 patents)Shifeng XuShifeng Xu (6 patents)Pingwei YinPingwei Yin (5 patents)Wendong ShaoWendong Shao (4 patents)Derong ZhangDerong Zhang (3 patents)Lidong LiLidong Li (3 patents)Shihui DuanShihui Duan (2 patents)Yanchen ZhangYanchen Zhang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Crrc Qiqihar Rolling Stock Co., Ltd. (1 from 10 patents)

2. Crrc Qiqihar Rolling Stock Co., Ltd. Dalian Research & Development Center (1 patent)


1 patent:

1. 10086851 - Bogie and axle box suspension positioning device thereof

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1/22/2026
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