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Southwest Jiaotong University

USPTO Granted Patents = 86

% Expired Patents = 8.1

EPO Patents = 15

Forward Citations = 38

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354 inventors (with patents filed for the assignee):

Zigang Deng (14 out of 14 patents)

Jun Zheng (12 out of 17 patents)

Zhixiang Yu (9 out of 10 patents)

4. Hu Xu (7 out of 7 patents)

5. Lei Zhao (7 out of 7 patents)

6. Shichun Zhao (7 out of 7 patents)

7. Liru Luo (6 out of 6 patents)

8. Yuntao Jin (5 out of 5 patents)

9. Xin Qi (5 out of 5 patents)

10. Zeqiang Zhang (5 out of 5 patents)

11. Qunzhan Li (5 out of 5 patents)

12. Le Liang (5 out of 5 patents)

13. Kai Liu (4 out of 7 patents)

14. Hongfu Shi (4 out of 4 patents)

15. Lijun Zhang (4 out of 4 patents)

Core Competencies:

Maglev Systems

Superconducting Technology

Fault Detection

High-Speed Transportation

Railway Control

Magnetic Levitation

Optical Fiber Communication

Energy Dissipation

Sensor Diagnostics

Flexible Protection Systems

Rail Transport

Seismic Risk Analysis

86 patents: Sort by Forward Citations

1. 12694169 - Wheel-rail steel equivalent fatigue damage simulation method (2026-07-28),

2. 12633857 - Method, controller and motor drive system for suppressing electromechanical coupling resonance (2026-05-19),

3. 12616209 - Stirring device and household dough mixer (2026-05-05),

4. 12611891 - Composite powered wheel set, train, wheel-rail system, and train control method (2026-04-28),

5. 12540478 - Flexible glass protective net with landscape function for falling objects and design method thereof (2026-02-03),

6. 12500586 - Resistor voltage-bearing type on-state voltage drop measurement circuit for junction temperature monitoring and monitoring method (2025-12-16),

7. 12500532 - Online fault identification method for current sensor, diagnosis apparatus, and fault-tolerant control system (2025-12-16),

8. 12442669 - Integrated system for optical fiber sensing and communication through sharing co-frequency resources (2025-10-14),

9. 12437126 - Method of randomly generating three-dimensional profiles of railway ballast particles (2025-10-07),

10. 12422494 - Method for controlling battery power interface converter with ultra-wideband EIS measurement function (2025-09-23),

11. 12385809 - Equipment for simulating high-speed magnetic levitation operation (2025-08-12),

12. 12366679 - Method and device for identifying full-section excavation parameters of large-section tunnel with broken surrounding rock (2025-07-22),

13. 12347126 - Non-contact visual monitoring system and method for a flexible protective structure against rockfall disaster (2025-07-01),

14. 12326514 - Integrated photonics millimeter wave (MMW) radar communication system based on analog phase modulation scheme (2025-06-10),

15. 12297054 - Intermittent moving mechanism and intermittent diversion device (2025-05-13),

Southwest Jiaotong University (SWJTU) is a key comprehensive research-oriented university located in Chengdu, Sichuan Province, China. It is known for its excellence in engineering, rail transit, and transportation disciplines. With a history dating back to 1896, SWJTU has developed into a national top-tier institution of higher education. The university strives for innovation, teaching and research excellence, and global impact. SWJTU offers a wide range of academic programs at undergraduate, postgraduate, and doctoral levels in diverse fields. It promotes academic collaboration with international universities and actively engages in research cooperation and exchange programs.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

Southwest Jiaotong University

86 Patents

#3 in Chengdu

#382 in China

#8,842 in the World

Southwest Jiaotong University

Forward Citations = 38

354 inventors:

Zigang Deng (14 out of 14 patents)

Jun Zheng (12 out of 17 patents)

Zhixiang Yu (9 out of 10 patents)

4. Hu Xu (7 out of 7 patents)

5. Lei Zhao (7 out of 7 patents)

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