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For the Inventor, By the Inventor

Nanjing, China

Ruizhi Lan

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignees: Aac Technologies (Nanjing) Co., Ltd., Aac Technologies (Nanjing) Co., Ltd., Aag Technologies (Nanjing) Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ruizhi Lan. Retrieved from https://idiyas.com/inventor/ruizhi-lan-y48jdwmi

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 66.7

Average Co-Inventor Count = 2.3

ph-index = 1


Company Filing History:

goldMedal5 out of 37 
 
Aac Technologies (Nanjing) Co., Ltd.
 patents
silverMedal2 out of 11 
 
Aac Technologies (Nanjing) Co., Ltd.
 patents
bronzeMedal2 out of 9 
 
Aag Technologies (Nanjing) Co., Ltd.
 patents

Years Active: 2025-2026

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9 patents (USPTO):Explore Patents
1. 12772005 - Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protector (2026-10-20),
2. 12684291 - Protection method and system, and computer-readable storage medium (2026-07-14),
3. 12634627 - Speaker displacement protection method and device, and computer-readable storage medium (2026-05-19),
4. 12563341 - Transducer protection system and method (2026-02-24),
5. 12513462 - Combo system, method of driving combo system, signal processor, and storage medium (2025-12-30),
6. 12477274 - Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protector (2025-11-18),
7. 12452595 - Combo system and method of driving combo system (2025-10-21),
8. 12452592 - Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protector (2025-10-21),
9. 12452591 - Speaker temperature protection method and device, electronic device, and computer-readable storage medium (2025-10-21),

Title: Ruizhi Lan: Innovator in Transducer Technology

Introduction

Ruizhi Lan is a prominent inventor based in Nanjing, China. He has made significant contributions to the field of transducer technology, holding a total of 9 patents. His innovative work focuses on enhancing the performance and reliability of transducer systems.

Latest Patents

Among his latest patents is a "Transducer Protection System and Method." This invention provides a comprehensive solution for protecting transducer modules by predicting actual displacement and temperature, thereby regulating the signals to ensure optimal performance. Another notable patent is for a "Combo System, Method of Driving Combo System, Signal Processor, and Storage Medium." This invention integrates various components, including a loudspeaker and motor, to enhance signal processing and ensure consistency between analog and digital signals.

Career Highlights

Ruizhi Lan has worked with Aac Technologies (Nanjing) Co., Ltd., where he has applied his expertise in transducer technology. His work has contributed to advancements in the field, making him a valuable asset to the companies he has been associated with.

Collaborations

He has collaborated with notable coworkers such as Hongling Fu and Lijian Ye, further enriching his experience and contributions to innovative projects.

Conclusion

Ruizhi Lan's work in transducer technology exemplifies the spirit of innovation. His patents reflect a commitment to improving technology and enhancing system performance. His contributions are significant in the realm of engineering and 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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