Growing community of inventors

Qingdao, China

Chao Ma

Average Co-Inventor Count = 5.46

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

Chao MaTai Liu (2 patents)Chao MaJun Wang (1 patent)Chao MaJie Yang (1 patent)Chao MaYuwen Liu (1 patent)Chao MaYanhong Shi (1 patent)Chao MaJingting Lu (1 patent)Chao MaFengchao Wang (1 patent)Chao MaJunyan Wang (1 patent)Chao MaChao Ma (2 patents)Tai LiuTai Liu (3 patents)Jun WangJun Wang (29 patents)Jie YangJie Yang (7 patents)Yuwen LiuYuwen Liu (4 patents)Yanhong ShiYanhong Shi (1 patent)Jingting LuJingting Lu (1 patent)Fengchao WangFengchao Wang (1 patent)Junyan WangJunyan Wang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Crrc Qingdao Sifang Co., Ltd. (2 from 92 patents)


2 patents:

1. 11609560 - Method and system for monitoring rail vehicle

2. 10939263 - Multi-network convergence method and device

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as of
12/9/2025
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