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Central Iron and Steel Research Institute

USPTO Granted Patents = 23

CIPO Patents = 1

EPO Patents = 4

Forward Citations = 33

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125 inventors (with patents filed for the assignee):

Haizhou Wang (6 out of 17 patents)

Lei Zhao (5 out of 48 patents)

Dongling Li (5 out of 11 patents)

4. Peng Wang (4 out of 95 patents)

5. Wei Li (3 out of 303 patents)

6. Hui Zhang (3 out of 116 patents)

7. Xuejing Shen (3 out of 12 patents)

8. Haibo Feng (3 out of 3 patents)

9. Yunhai Jia (3 out of 13 patents)

10. Guang Feng (3 out of 3 patents)

11. Minglin Wang (3 out of 3 patents)

12. Xiuqin Ji (3 out of 3 patents)

13. Mei Wang (3 out of 5 patents)

14. Hongbiao Tao (3 out of 3 patents)

15. Yong Gan (3 out of 3 patents)

23 patents: Sort by Forward Citations

1. 12290851 - Electrically assisted forming process and device for high-strength metal alloy thin-walled pipe (2025-05-06),

2. 12146201 - Method for internal stress regulation in superalloy disk forgings by pre-spinning (2024-11-19),

3. 12090536 - Hot extrusion die and hot extrusion integral forming method for special-shaped square pipe (2024-09-17),

4. 11951530 - High-strength stainless steel rotor and method for preparing the same (2024-04-09),

5. 11927511 - Method for statistical distribution characterization of dendritic structures in original position of single crystal superalloy (2024-03-12),

6. 11761050 - High-strength low-carbon bainitic fire-resistant steel and preparation method thereof (2023-09-19),

7. 11473162 - Carburizing bearing steel and preparation method thereof (2022-10-18),

8. 11209414 - Method for determining quality level of iron and steel product (2021-12-28),

9. 11195645 - Ce-containing sintered rare-earth permanent magnet with having high toughness and high coercivity, and preparation method therefor (2021-12-07),

10. 11040397 - Method of high-throughput hot isostatic pressing micro-synthesis for the combinatorial materials and sleeve mould thereof (2021-06-22),

11. 10895521 - Full-view-field quantitative statistical distribution characterization method of precipitate particles in metal material (2021-01-19),

12. 10562098 - High throughput micro-synthesis method of multi-component materials (2020-02-18),

13. 10436577 - Full-field statistical and characterizing method of fluid micro-explored strain for alloy microstructure (2019-10-08),

14. 10049797 - Low-neodymium, non-heavy-rare-earth and high performance magnet (2018-08-14),

15. 9892832 - Low-cost double-main-phase Ce permanent magnet alloy and its preparation method (2018-02-13),

The Central Iron and Steel Research Institute (CISRI) is a renowned scientific research institution in China. Established in 1952, CISRI specializes in steel research, development, innovation, and technical services. With a focus on sustainable development, CISRI actively contributes to the advancement of the iron and steel industry by addressing key challenges, providing technical support, and promoting cooperation and exchange among industry stakeholders.

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

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USPTO Data Jan 1 1976 - Dec 23 2025

23 Patents

#139 in Beijing

#1,153 in China

#26,807 in the World

Central Iron and Steel Research Institute

Forward Citations = 33

125 inventors:

Haizhou Wang (6 out of 17 patents)

Lei Zhao (5 out of 48 patents)

Dongling Li (5 out of 11 patents)

4. Peng Wang (4 out of 95 patents)

5. Wei Li (3 out of 303 patents)

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