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Hong Kong, China

Tymphany Hk Limited

USPTO Granted Patents = 31

% Expired Patents = 38.7

EPO Patents = 3

Trademarks = 10

Forward Citations = 67

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46 inventors (with patents filed for the assignee):

Sebastiaan De Vries (5 out of 5 patents)

George Bullimore (4 out of 4 patents)

Alireza Jabbari (4 out of 6 patents)

4. Kenneth L Kantor (4 out of 5 patents)

5. Ioannis Kanellakopoulos (4 out of 21 patents)

6. Andrew David Unruh (3 out of 11 patents)

7. Edward T Norcott, Jr (3 out of 7 patents)

8. Jens-Peter Axelsson (3 out of 3 patents)

9. David J Prince (3 out of 12 patents)

10. Shaolin Wei (3 out of 3 patents)

11. Robert J True (3 out of 11 patents)

12. Dimitris Grimanis (2 out of 2 patents)

13. Andrew Trippier Holt (2 out of 2 patents)

14. Wen-Hong Wang (2 out of 2 patents)

15. Yi-Hui Hsiao (2 out of 2 patents)

Core Competencies:

Sound Signal Processing

Speaker Structure

Transducers

Vibration Module

Audio Equipment

Headphone Module

Class-D Power Amplifier

Acoustic Waveguide

Loudspeaker Assembly

Pre-Amplifier Circuit

Magnetic Suspension Transducer

Woofer

31 patents: Sort by Forward Citations

1. 12745039 - Sound signal processing method and sound signal processing devices (2026-09-22),

2. 12736854 - Shielding structure and electronic device having the same (2026-09-15),

3. 12720243 - Speaker structure (2026-08-25),

4. 12666205 - Transducers and manufacturing methods thereof (2026-06-23),

5. 12647730 - Vibration module, speaker having the same, and manufacturing method thereof (2026-06-02),

6. 12549877 - Audio equipment (2026-02-10),

7. D1090482 - Headphone module (2025-08-26),

8. D1090481 - Headphone module (2025-08-26),

9. 10601373 - Booster circuit including dynamically sliding power supply unit (2020-03-24),

10. 10587958 - Suspension for moving-coil loudspeaker and loudspeaker (2020-03-10),

11. 10405083 - Loudspeaker assembly (2019-09-03),

12. D856981 - Waveguide for a loudspeaker (2019-08-20),

13. 10341781 - Double ring radiator and dual co-ax driver (2019-07-02),

14. 10341761 - Acoustic waveguide for audio speaker (2019-07-02),

15. 10340859 - Class-D power amplifier nested inside low-noise differential op-amp feedback loop (2019-07-02),

Tymphany Hk Limited is a prominent player in the audio technology sector, specializing in the design and manufacture of high-performance acoustic solutions. The company focuses on delivering innovative products that enhance sound quality across various applications, including consumer electronics and professional audio systems. With a strong emphasis on research and development, Tymphany leverages advanced engineering techniques to push the boundaries of audio performance, catering to a global market from its headquarters in Hong Kong.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

31 Patents

#114 in Hong Kong

#994 in China

#21,217 in the World

Hong Kong, China

Tymphany Hk Limited

Forward Citations = 67

46 inventors:

Sebastiaan De Vries (5 out of 5 patents)

George Bullimore (4 out of 4 patents)

Alireza Jabbari (4 out of 6 patents)

4. Kenneth L Kantor (4 out of 5 patents)

5. Ioannis Kanellakopoulos (4 out of 21 patents)

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