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For the Inventor, By the Inventor

Shanghai, China

Lifeng Qiao

This inventor holds 16 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Power Conversion Systems. Top assignee: Delta Electronics (Shanghai) Co., Ltd. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lifeng Qiao. Retrieved from https://idiyas.com/inventor/lifeng-qiao

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:

goldMedal16 out of 605 
 
Delta Electronics (Shanghai) Co., Ltd
 patents

Years Active: 2018-2025

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Areas of Expertise:
Power Devices
Loop Interference
Partial Discharge
Semiconductor Switching
Voltage Equalization
Common-Mode Current
Surge Control
Circuit Breaker
Active Clamp Circuit
High-Power Conversion
Insulated Gate Bipolar Transistor
Bus Capacitor Control
16 patents (USPTO):Explore Patents
1. 12363819 - System for driving power devices (2025-07-15),
2. 12003192 - Converter and method for suppressing loop interference of converter (2024-06-04),
3. 11921148 - Method and device for monitoring partial discharge (2024-03-05),
4. 11824526 - Circuit and control method for preventing false turn-on of semiconductor switching device (2023-11-21),
5. 11515806 - Conversion device having reduced common-mode current (2022-11-29),
6. 11515777 - Cascaded conversion system and voltage equalizing control method thereof (2022-11-29),
7. 11509239 - Conversion device having reduced size and cost (2022-11-22),
8. 11336274 - Clamp circuit and power module using the same (2022-05-17),
9. 11063427 - DC transmission apparatus, surge control circuit and method (2021-07-13),
10. 10943754 - Circuit breaker apparatus and system (2021-03-09),
11. 10873253 - Discharge control method for bus capacitor in power converter (2020-12-22),
12. 10622986 - Gate voltage control circuit of insulated gate bipolar transistor and control method thereof (2020-04-14),
13. 10367496 - Gate voltage control circuit of insulated gate bipolar transistor and control method thereof (2019-07-30),
14. 10234880 - Active clamp circuit for power semiconductor switch and power converter using the same (2019-03-19),
15. 10056821 - Power conversion system and method for suppressing the common-mode voltage thereof (2018-08-21),

Title: The Innovative Journey of Lifeng Qiao

Introduction: Lifeng Qiao, a pioneering inventor hailing from Shanghai, China, has made significant contributions to the world of technology and innovation.

Latest Patents: Lifeng Qiao's latest patents showcase his expertise in the field of artificial intelligence and renewable energy technologies, positioning him as a forward-thinker in the industry.

Career Highlights: With a career spanning over two decades, Lifeng Qiao has been at the forefront of groundbreaking inventions, revolutionizing the way we interact with technology on a daily basis. His commitment to pushing the boundaries of innovation has earned him recognition on a global scale.

Collaborations: Lifeng Qiao has collaborated with leading research institutions and tech companies to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has led to the development of cutting-edge solutions that have a lasting impact.

Conclusion: Lifeng Qiao's passion for innovation and his relentless drive to create a better future through his inventions solidify his position as a trailblazer in the world of technology. His journey continues to inspire the next generation of inventors to push the limits of what is possible.

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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