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C-Media Electronics Inc.

USPTO Granted Patents = 28

% Expired Patents = 21.4

Trademarks = 7

Forward Citations = 57

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24 inventors (with patents filed for the assignee):

Chi-Chen Cheng (6 out of 6 patents)

Eric Cheng (5 out of 5 patents)

Chih-Ying Huang (4 out of 4 patents)

4. Wen-Lung Shieh (4 out of 4 patents)

5. Po-Shu Lan (3 out of 3 patents)

6. Kuen-Ying Ou (3 out of 5 patents)

7. Chih-Hung Tseng (3 out of 4 patents)

8. Hung-Chi Huang (2 out of 16 patents)

9. Jung-Fu Liao (2 out of 4 patents)

10. Yi-Chen Ho (2 out of 2 patents)

11. Chun-Hung Kuo (1 out of 4 patents)

12. Chin-Wei Lin (1 out of 1 patent)

13. Ta-Chun Wang (1 out of 1 patent)

14. Jei-Wen Teng (1 out of 1 patent)

15. Yuepeng Li (1 out of 1 patent)

Core Competencies:

Active Noise Cancellation

Audio Processing

Voice Systems

Singing Scoring

Calibration Systems

Sampling Frequency

Digital Sound Effects

Impedance Measurement

Codec Systems

Headphone Technology

Signal Processing

Overcurrent Protection

28 patents: Sort by Forward Citations

1. 12177649 - Virtual reality providing device and audio processing method (2024-12-24),

2. 11403061 - Audio processing system and method (2022-08-02),

3. 11134358 - Audio adjusting method and audio adjusting device (2021-09-28),

4. 11017754 - Singing scoring method and singing scoring system based on streaming media (2021-05-25),

5. 10186249 - Active noise cancellation system (2019-01-22),

6. 10083707 - Voice apparatus and dual-microphone voice system with noise cancellation (2018-09-25),

7. 10013965 - Calibration system for active noise cancellation and speaker apparatus (2018-07-03),

8. 9824678 - Method, system for self-tuning active noise cancellation and headset apparatus (2017-11-21),

9. 9762253 - Reference frequency calibration module and apparatus using the same (2017-09-12),

10. 9197178 - Headphone with active noise cancelling and auto-calibration method thereof (2015-11-24),

11. 8964920 - Auto-determining sampling frequency method and device thereof (2015-02-24),

12. 8908719 - Clock rate controller and method thereof and electronic device thereof (2014-12-09),

13. 8803595 - Common mode noise cancellation circuit for unbalanced signals (2014-08-12),

14. 8737640 - System, method and apparatus with environmental noise cancellation (2014-05-27),

15. 8525571 - Voltage amplitude limiting circuit of full differential circuit (2013-09-03),

Company Overview

C-Media Electronics Inc. is a prominent technology company based in Taipei, Taiwan, specializing in the development and manufacturing of audio solutions and semiconductor products. The company focuses on innovative audio processing technologies, including sound cards, audio interfaces, and integrated circuits that enhance audio performance across various applications. C-Media is recognized for its commitment to quality and innovation, serving a global market with advanced audio technologies that cater to both consumer and professional needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

28 Patents

#132 in Taipei

#623 in Taiwan

#23,299 in the World

C-Media Electronics Inc.

Forward Citations = 57

24 inventors:

Chi-Chen Cheng (6 out of 6 patents)

Eric Cheng (5 out of 5 patents)

Chih-Ying Huang (4 out of 4 patents)

4. Wen-Lung Shieh (4 out of 4 patents)

5. Po-Shu Lan (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: C-Media Electronics Inc.. Retrieved from https://idiyas.com/company/c-media-electronics

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

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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