Qian Li

This inventor holds 15 USPTO granted patents and 19 published patent applications and 2 EPO patents. Top assignees: Bestechnic (Shanghai) Co., Ltd., Carrier Corporation, Makesense Energy Technology Co., Limited.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Qian Li. Retrieved from https://idiyas.com/inventor/qian-li-pnav3esw

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

USPTO Granted Patents = 15 (Patent Applications = 19)

% Patents Active = 80.0

EPO Patents = 2 (Patent Applications = 9)

Average Co-Inventor Count = 4.1

ph-index = 2

Forward Citations = 18(Granted Patents)

Company Filing History:

9 out of 43

Bestechnic (Shanghai) Co., Ltd.

Makesense Energy Technology Co., Limited.

patents

4. 1 out of 1,901

Marvellworld Trade Ltd.

Oracle International Corporation

patents

7. 1 out of 1

Shanghai Kanbao Co., Ltd.

patent

8. 1 out of 17

Shanghai Maritime University

patents

where one patent can have more than one assignee

Years Active: 2010-2026

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12699140 - Method and system for step parameter identification based on electrochemical model (2026-08-04),

2. 12680718 - Temperature controller, server, air conditioning system and temperature setting method (2026-07-14),

3. 12293754 - Active noise control method and system for headphone (2025-05-06),

4. 12273675 - Leakage compensation method and system for headphone (2025-04-08),

5. 12077260 - Anti-wave floating photovoltaic device and control method thereof (2024-09-03),

6. 11930333 - Noise suppression method and system for personal sound amplification product (2024-03-12),

7. 11653141 - Active noise control headphones (2023-05-16),

8. 11595748 - Active noise control headphones (2023-02-28),

9. 11330359 - Active noise control headphones (2022-05-10),

10. 11317192 - Active noise control headphones (2022-04-26),

11. 10834494 - Active noise control headphones (2020-11-10),

12. 10629226 - Acoustic signal processing with voice activity detector having processor in an idle state (2020-04-21),

13. 10217073 - Monitoring transactions from distributed applications and using selective metrics (2019-02-26),

14. 10047155 - Antibodies targeting bone morphogenetic protein 9 (BMP9) and methods therefor (2018-08-14),

15. 7720179 - Method for timing detection (2010-05-18),

Title: Innovations by Qian Li in Active Noise Control Technology

Introduction

Qian Li is a prominent inventor based in Shanghai, China, known for his significant contributions to the field of audio technology. With a total of 13 patents to his name, he has developed innovative solutions that enhance the listening experience for users of headphones.

Latest Patents

Among his latest patents are two notable inventions: the active noise control method and system for headphones, and the leakage compensation method and system for headphones. The active noise control method involves determining whether a music signal is played by the headphone's speaker. If no music signal is detected and the ambient noise level exceeds a certain threshold, the system generates noise feedforward signals based on inputs from multiple microphones. This technology aims to improve sound quality by effectively managing external noise. The leakage compensation method focuses on adjusting audio signals to compensate for sound leakage, ensuring that users receive a clearer and more immersive audio experience.

Career Highlights

Qian Li has worked with several reputable companies throughout his career, including Bestechnic (Shanghai) Co., Ltd. and Oracle International Corporation. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge audio technologies.

Collaborations

Throughout his career, Qian Li has collaborated with talented individuals such as Weifeng Tong and Liang Zhang. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Qian Li's work in active noise control and leakage compensation technologies showcases his dedication to improving audio experiences for users. His innovative patents and collaborations highlight his significant impact on the industry.

Profile summary based on public USPTO records.