Growing community of inventors

Qinhuangdao, China

Zhi Chang

Average Co-Inventor Count = 6.00

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

Zhi ChangWeidong Liu (1 patent)Zhi ChangYongwang Zhao (1 patent)Zhi ChangYukun Yang (1 patent)Zhi ChangGuidong Yang (1 patent)Zhi ChangYu Chang (1 patent)Zhi ChangZhi Chang (1 patent)Weidong LiuWeidong Liu (75 patents)Yongwang ZhaoYongwang Zhao (24 patents)Yukun YangYukun Yang (7 patents)Guidong YangGuidong Yang (1 patent)Yu ChangYu Chang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citic Dicastal Co., Ltd (1 from 539 patents)


1 patent:

1. 10464137 - Vertical lathe chuck mounting rack

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12/19/2025
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