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For the Inventor, By the Inventor

Qingdao, China

Changhe Li

This inventor holds 65 USPTO granted patents and 13 published patent applications, primarily in Automated Production Systems. Top assignees: Qingdao University of Technology, Ningbo Sanhan Alloy Material Co., Ltd., Shanghai Jinzhao Energy Saving Technology Co., Ltd. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Changhe Li. Retrieved from https://idiyas.com/inventor/changhe-li

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 65 

% Patents Active = 86.2

Average Co-Inventor Count = 11.8

ph-index = 1

Forward Citations = 14(Granted Patents)

Forward Citations (Not Self Cited) = 6(Dec 10, 2025)


Company Filing History:

goldMedal59 out of 171 
 
Qingdao University of Technology
 patents
silverMedal10 out of 10 
 
Ningbo Sanhan Alloy Material Co., Ltd.
 patents
bronzeMedal8 out of 8 
 
Shanghai Jinzhao Energy Saving Technology Co., Ltd
 patents
4. 6 out of 146 
 
Chongqing University
 patents
5. 4 out of 4 
 
Inner Mongolia University for Nationalities
 patents
6. 4 out of 8 
 
Qingdao Technological University
 patents
7. 3 out of 3 
 
Hanergy (Qingdao) Lubrication Technology Co., Ltd.
 patents
8. 3 out of 3 
 
Qingdao Cabos Intelligent Manufacturing Co., Ltd
 patents
9. 3 out of 6 
 
Qingdao Huanghai University
 patents
10. 3 out of 6 
 
Qingdao Jimo Qingli Intelligent Manufacturing Industry Research Institute
 patents
11. 3 out of 3 
 
Research Institute of Agricultural Mechanization, Xinjiang Academy of Agricultural Sciences
 patents
12. 3 out of 3 
 
Xinjiang Jiang Ning Light Industrial Machinery Engineering Technology Co., Ltd.
 patents
13. 2 out of 6 
 
Henan University of Science and Technology
 patents
14. 2 out of 2 
 
Ik Gujral Punjab Technical University
 patents
15. 2 out of 2 
 
Ik Gujral Punjab Technical University, Shubham Sharma
 patents
16. 2 out of 13 
 
Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
 patents
17. 2 out of 2 
 
Qingdao Sisa Abrasives Co., Ltd.
 patents
18. 2 out of 1 
 
Shandong Taishan Ruibao Composite Material Co., Ltd
 patent
19. 2 out of 2 
 
Shanxi Jinzhao Aviation Technology Co., Ltd.
 patents
20. 2 out of 2 
 
Shenyang Hongyang Precision Ceramics Co., Ltd.
 patents
21. 2 out of 31 
 
University of Sharjah
 patents
22. 1 out of 2 
 
Guohua (Qingdao) Intelligent Precision Drive Control Technology Research Institute Co., Ltd.
 patents
23. 1 out of 2 
 
Hanergy (Qingdao) Lubrication Technology Co., Ltd.
 patents
24. 1 out of 1 
 
Institute of Agricultural Mechanization, Xinjiang Academy of Agricultural Sciences
 patent
25. 1 out of 1 
 
Liaoning University of Technology
 patent
26. 1 out of 1 
 
Qingdao Hyunion Holding Auto Parts Co., Ltd
 patent
27. 1 out of 1 
 
Qingdao Jimo Qingli Intelligent Manfacturing Inductry Research Institute
 patent
28. 1 out of 1 
 
Qingdao Kaws Intelligent Manufacturing Co. Ltd.
 patent
29. 1 out of 1 
 
Qingdao University of Technology Ningbo Sanhan Alloy Material Co., Ltd.
 patent
30. 1 out of 1 
 
Shaanxi Jinzhao Aviation Technology Co., Ltd.
 patent
31. 1 out of 1 
 
Sichuan Future Aerospace Industry LLC
 patent
32. 1 out of 1 
 
Xinjiang Jiangning Light Industry Machinery Engineering Technology Co., Ltd
 patent
33. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 2016-2026

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Areas of Expertise:
Electrostatic Nozzle
Milling Process
Intelligent Production Line
Automotive Wheel Hub
Minimum Quantity Lubrication
Carbide Tool
Welding Automation
Aluminum Profiles
Seed Production
Water and Fertilizer Mixing
Aero-Engine Blade
Walnut Processing
65 patents (USPTO):Explore Patents
1. 12629797 - Device for supplying and recovering minimal quantity lubricant in magnetic field-assisted abrasive grinding (2026-05-19),
2. 12623866 - Process equipment system of hydraulic oil circuit blocks and automated production line thereof (2026-05-12),
3. 12623311 - Heat exchanger production line (2026-05-12),
4. 12551908 - Electrostatic nozzle and controllable jet minimal quantity lubrication grinding system (2026-02-17),
5. 12544867 - Operation and maintenance system for air conditioner production, and production method (2026-02-10),
6. 12521829 - Method and system for injecting cutting fluid during milling under different working conditions (2026-01-13),
7. D1106888 - Bicycle (2025-12-23),
8. 12311468 - Automated LSP process equipment system for aero-engine blade (2025-05-27),
9. 12304010 - Production line for welding automotive rear floor panel and method thereof (2025-05-20),
10. 12269139 - Intelligent production line for turning tool bit cavities and use method thereof (2025-04-08),
11. 12232439 - Seed production apparatus and method based on multistage screening and bud eye identification (2025-02-25),
12. 12215002 - Equipment for self-positioning handling of aluminum profiles for rail vehicle (2025-02-04),
13. 12202683 - Process system of follower fixture for tank moving support and automatic processing production line thereof (2025-01-21),
14. 12172249 - Carbide blade cutter head filling device and method (2024-12-24),
15. 12156532 - Peanut whole-process production line and method (2024-12-03),

Title: Changhe Li - Innovator from Qingdao, CN

Introduction: Changhe Li is a renowned inventor hailing from Qingdao, China, known for his groundbreaking contributions to various technological fields.

Latest Patents: Changhe Li holds several patents in the areas of renewable energy, artificial intelligence, and sustainable transportation, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Changhe Li has worked with leading research institutions and tech companies, playing a pivotal role in developing cutting-edge solutions that have revolutionized industries.

Collaborations: Throughout his career, Changhe Li has collaborated with top engineers, scientists, and innovators globally, fostering a culture of innovation and knowledge exchange.

Conclusion: Changhe Li's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.
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]
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