CIPO Patents = 9

EPO Patents = 1

Forward Citations = 5

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52 inventors (with patents filed for the assignee):

Quan Xu (4 out of 6 patents)

Zhefeng Xu (3 out of 4 patents)

Ming Zou (2 out of 9 patents)

4. Hua Guo (2 out of 7 patents)

5. Dongsheng Mei (2 out of 4 patents)

6. Taixiong Guo (2 out of 2 patents)

7. Yong Zhang (1 out of 3 patents)

8. Xin Lu (1 out of 1 patent)

9. Dadong Li (1 out of 1 patent)

10. Ruoyu Wang (1 out of 1 patent)

11. Wei Bai (1 out of 1 patent)

12. Jian Deng (1 out of 2 patents)

13. Feixiang Xu (1 out of 1 patent)

14. Yong Chen (1 out of 5 patents)

15. Haoqing Zheng (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 10870165 - Mobile flash butt welding method for 136RE+SS heat-treated rail (2020-12-22),

2. 10850315 - High-toughness and plasticity hypereutectoid rail and manufacturing method thereof (2020-12-01),

3. 10640660 - Water-based high-temperature-resistant titanium-steel anti-bonding coating and use thereof (2020-05-05),

4. 9157131 - High carbon content and high strength heat-treated steel rail and method for producing the same (2015-10-13),

5. 8742000 - Preparation method of hot dip galvanized sheet anti-corrosive treatment agent of environmental protective (2014-06-03),

6. 8728628 - Passivant for hot-dip Al-Zn-coated sheet and preparation method and use thereof (2014-05-20),

Pangang Group Research Institute Co., Ltd. (PGRI) is a state-owned research institution specializing in metallurgical research and development. With a focus on steel production and related technologies, PGRI is dedicated to advancing the industry through innovation and sustainable practices. The company collaborates with partners both domestically and internationally to drive progress in the field of metallurgy.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

6 Patents

#35 in Chengdu

#3,857 in China

Chengdu, China

Pangang Group Research Institute Co., Ltd.

Forward Citations = 5

52 inventors:

Quan Xu (4 out of 6 patents)

Zhefeng Xu (3 out of 4 patents)

Ming Zou (2 out of 9 patents)

4. Hua Guo (2 out of 7 patents)

5. Dongsheng Mei (2 out of 4 patents)

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9 patents (CIPO):

Please report any incorrect information to support@idiyas.com

1 patent (EPO):

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