Growing community of inventors

Gansu, China

Da Chang

Average Co-Inventor Count = 23.98

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

Da ChangChengjia Bao (1 patent)Da ChangYanhong Ma (1 patent)Da ChangXushan Han (1 patent)Da ChangLong Zhao (1 patent)Da ChangKequan Liu (1 patent)Da ChangQiang Zhou (1 patent)Da ChangWeicheng Shen (1 patent)Da ChangLi Wang (1 patent)Da ChangChen Liang (1 patent)Da ChangZiqiang Guo (1 patent)Da ChangWenyuan Bai (1 patent)Da ChangShuzhen Ren (1 patent)Da ChangHailong Guo (1 patent)Da ChangBo Wu (1 patent)Da ChangQin Liang (1 patent)Da ChangWei Niu (1 patent)Da ChangHui Yuan (1 patent)Da ChangTianyi Zhang (1 patent)Da ChangRu Liu (1 patent)Da ChangQingzhao Hu (1 patent)Da ChangYanhua Dou (1 patent)Da ChangGuohan Ma (1 patent)Da ChangYechang Gao (1 patent)Da ChangDa Chang (1 patent)Chengjia BaoChengjia Bao (2 patents)Yanhong MaYanhong Ma (2 patents)Xushan HanXushan Han (2 patents)Long ZhaoLong Zhao (2 patents)Kequan LiuKequan Liu (2 patents)Qiang ZhouQiang Zhou (2 patents)Weicheng ShenWeicheng Shen (2 patents)Li WangLi Wang (1 patent)Chen LiangChen Liang (1 patent)Ziqiang GuoZiqiang Guo (1 patent)Wenyuan BaiWenyuan Bai (1 patent)Shuzhen RenShuzhen Ren (1 patent)Hailong GuoHailong Guo (1 patent)Bo WuBo Wu (1 patent)Qin LiangQin Liang (1 patent)Wei NiuWei Niu (1 patent)Hui YuanHui Yuan (1 patent)Tianyi ZhangTianyi Zhang (1 patent)Ru LiuRu Liu (1 patent)Qingzhao HuQingzhao Hu (1 patent)Yanhua DouYanhua Dou (1 patent)Guohan MaGuohan Ma (1 patent)Yechang GaoYechang Gao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. State Grid Gansu Electric Power Research Institute (1 from 2 patents)

2. State Grid Gansu Electric Power Company Lanzhou Power Supply Company (1 from 1 patent)


1 patent:

1. 12184194 - AC/DC conversion device for intelligent green-power operation and maintenance in power transmission and transformation projects

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as of
12/19/2025
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