Barrington, IL, United States of America

Changxue Ma

This inventor holds 39 USPTO granted patents and 8 published patent applications and 2 EPO patents, primarily in Binaural Hearing Devices. Top assignees: Gn Hearing A/s, Motorola Corporation, Motorola Mobility LLC. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Changxue Ma. Retrieved from https://idiyas.com/inventor/changxue-ma

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

Calculating rank
USPTO Granted Patents = 39 

% Patents Active = 84.6

 

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 329(Granted Patents)


Company Filing History:


Years Active: 2005-2026

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Areas of Expertise:
Binaural Beamforming
Voice Detection
Adaptive Audio Rendering
Omnidirectional Sensitivity
Temporal Decorrelation
Noise Reduction
Speech Recognition
Dynamic Voice Activation
Flexible Control
Hearing Aid System
Multimodal Tags
Verbal Expression Analysis
39 patents (USPTO):Explore Patents

Title: **Changxue Ma: Innovator in Hearing Device Technology**

Introduction

Changxue Ma, based in Barrington, IL, is a prolific inventor recognized for his significant contributions to the field of audio technology, particularly in hearing devices. With a remarkable portfolio of 35 patents, Ma has consistently demonstrated his ability to enhance auditory experiences for users.

Latest Patents

Among his latest innovations is the **Hearing Device with Own-Voice Detection**. This sophisticated hearing device integrates a first and second microphone to capture audio input signals. It features a voice detector module designed to discern the user's own voice. This technology allows the device to process sound more effectively based on its direction and distance from the user. Additionally, Ma has developed a **System for Audio Rendering Comprising a Binaural Hearing Device and an External Device**. This system enables wireless communication between a binaural hearing device and an external electronic device, which utilizes head-related transfer functions to create spatialized audio outputs tailored to the user's head orientation.

Career Highlights

Changxue Ma has built an impressive career, having worked for renowned companies such as GN Hearing A/S and Motorola Corporation. His tenure at these organizations has allowed him to leverage advanced technology and solidify his position as a leader in audio innovation.

Collaborations

Throughout his career, Ma has collaborated with notable colleagues including Andrew Dittberner and Rob De Vries. These partnerships have enabled him to further refine his inventions and contribute to groundbreaking advancements in hearing technology.

Conclusion

Changxue Ma's dedication to innovation in hearing devices has led to the development of technologies that significantly improve auditory experiences for users. His extensive patent portfolio reflects his commitment to enhancing sound perception and accessibility, making him a vital figure in the field of audio 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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