% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Tao Gong (1 out of 1 patent)

Peng Yin (1 out of 1 patent)

Xiaming Zhang (1 out of 1 patent)

4. Pan Chen (1 out of 2 patents)

5. Zhenyang Liu (1 out of 1 patent)

6. Huijun Zhou (1 out of 1 patent)

7. Ting Li (1 out of 2 patents)

8. Yulong Yin (0 patent)

9. Wenjie Tang (0 patent)

10. Yanzhong Feng (0 patent)

11. Tiejun Li (0 patent)

12. Xingguo He (0 patent)

13. Shengping Wang (0 patent)

14. Liuqin He (0 patent)

15. Jianzhong Li (0 patent)

2 patents: Sort by Forward Citations

1. 11857644 - Multi-signal fluorescent probe for early diagnosis of tumors, and preparation and use thereof (2024-01-02),

2. 11192011 - Relay race training apparatus (2021-12-07),

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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#41 in Changsha

#11,632 in China

Changsha, China

Hunan Normal University

Forward Citations = 0

7 inventors:

Tao Gong (1 out of 1 patent)

Peng Yin (1 out of 1 patent)

Xiaming Zhang (1 out of 1 patent)

4. Pan Chen (1 out of 2 patents)

5. Zhenyang Liu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hunan Normal University. Retrieved from https://idiyas.com/company/hunan-normal-university

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]

1 patent (EPO):

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]