Hefei, China

China Coal No.3 Construction Corporation (Group) Ltd

Calculating rank
USPTO Granted Patents = 1

Forward Citations = 0

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15 inventors (with patents filed for the assignee):

goldMedal Ning Liu (1 out of 96 patents)

silverMedal Zheng Li (1 out of 2 patents)

bronzeMedal Fei Ma (1 out of 2 patents)

4.  Bin Xu (1 out of 3 patents)

5.  Guang Li (1 out of 1 patent)

6.  Renshu Yang (1 out of 1 patent)

7.  Huidong Xu (1 out of 1 patent)

8.  Yong Zhang (1 out of 2 patents)

9.  Tingting Bao (1 out of 1 patent)

10.  Guozheng Zhou (1 out of 1 patent)

11.  Donghui Man (1 out of 1 patent)

12.  Lin Lv (1 out of 1 patent)

13.  Jinghui Ye (1 out of 1 patent)

14.  Bo Ding (1 out of 1 patent)

15.  Yingcan Liu (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#131 in Hefei

#18,823 in China

Hefei, CN
Hefei, China
Forward Citations = 0

15 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: China Coal No.3 Construction Corporation (Group) Ltd. Retrieved from https://idiyas.com/company/china-coal-no-3-construction-group

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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