Forward Citations = 0

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8 inventors (with patents filed for the assignee):

Yiping Zhang (1 out of 1 patent)

Jie Zhang (1 out of 1 patent)

Yuyao Zhang (1 out of 1 patent)

4. Chengyu Jiang (1 out of 1 patent)

5. Yunfeng Liu (1 out of 1 patent)

6. Hejiang Zhang (1 out of 1 patent)

7. Genyi Long (1 out of 1 patent)

8. Hao Chen (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 12669453 - Method for coal rock recognition (2026-06-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

1 Patents

#15 in Guiyang

#18,650 in China

Guiyang, China

Guiihou Yihe Mining Co., Ltd.

Forward Citations = 0

8 inventors:

Yiping Zhang (1 out of 1 patent)

Jie Zhang (1 out of 1 patent)

Yuyao Zhang (1 out of 1 patent)

4. Chengyu Jiang (1 out of 1 patent)

5. Yunfeng Liu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Guiihou Yihe Mining Co., Ltd.. Retrieved from https://idiyas.com/company/guiihou-yihe-mining

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]